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Sample records for hydrovatus coleoptera dytiscidae

  1. Two new species of the megadiverse lentic diving-beetle genus Hydrovatus (Coleoptera, Dytiscidae) described from NE Thailand.

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    Biström, Olof; Bergsten, Johannes

    2016-01-01

    Here we describe two new Hydrovatus species (Coleoptera: Dytiscidae: Hydroporinae: Hydrovatini) from the province of Khon Kaen, Isan region in NE Thailand. Hydrovatus is the third most species rich genus of diving beetles (Dytiscidae). It occurs on all continents except Antarctica and now numbers 210 currently recognized species. Both new species, Hydrovatus diversipunctatussp. n. and Hydrovatus globosussp. n., were collected at lights and are only known from the type locality "Khon Kaen" (a city and province). Diagnoses based on morphology for the separation from closely related species are given together with illustrations of male genitalia and habitus photos. We provide a determination key to Old World species of the pustulatus species group and to Oriental species of the oblongipennis species group.

  2. Two new species of the megadiverse lentic diving-beetle genus Hydrovatus (Coleoptera, Dytiscidae described from NE Thailand

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    Olof Bistrom

    2016-11-01

    Full Text Available Here we describe two new Hydrovatus species (Coleoptera: Dytiscidae: Hydroporinae: Hydrovatini from the province of Khon Kaen, Isan region in NE Thailand. Hydrovatus is the third most species rich genus of diving beetles (Dytiscidae. It occurs on all continents except Antarctica and now numbers 210 currently recognized species. Both new species, H. diversipunctatus sp. n. and H. globosus sp. n., were collected at lights and are only known from the type locality “Khon Kaen” (a city and province. Diagnoses based on morphology for the separation from closely related species are given together with illustrations of male genitalia and habitus photos. We provide a determination key to Old World species of the pustulatus species group and to Oriental species of the oblongipennis species group.

  3. A synopsis of the South American Hydrovatus (Coleoptera: Dytiscidae: Hydroporinae, with notes on habitat and distribution, and a key to species

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    Edgardo R. TRÉMOUILLES

    2005-01-01

    Full Text Available Se estudiaron los representantes sudamericanos del género Hydrovatus Motschulsky. Se diagnostica cada una de las tres especies conocidas, enfatizando el reconocimiento de caracteres valiosos para su identificación; las principales diferencias se resumen en una clave. Para identificar los ejemplares sudamericanos de H. caraibus Sharp, se los comparó con especímenes de AméricaCentral, incluyendo material tipo. En base al material examinado, H. caraibus se encuentra ampliamente distribuida en America Central y del Sur, con representantes de diferentes áreas separados por diferencias menores. Lasdistribuciones geográficas de las tres especies se amplían considerablemente: H. crassulus Sharp y H. turbinatus Zimmermann se citan por primera vez de Paraguay, y H. caraibus se cita por primera vez de Argentina y Nicaragua. Se presenta información bionómica de las especies.

  4. A synopsis of the South American Hydrovatus (Coleoptera: Dytiscidae: Hydroporinae, with notes on habitat and distribution, and a key to species Sinopsis de los Hydrovatus sudamericanos (Coleoptera: Dytiscidae: Hydroporinae, con notas sobre hábitat y distribución, y una clave para las especies

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    Edgardo R. Trémouilles

    2005-07-01

    Full Text Available We revised the South American members of the genus Hydrovatus Motschulsky. Each of the three recognized species is diagnosed, with emphasis on diagnostic characters. A key summarizing the main differences is provided. To identify South American specimens of H. caraibus Sharp, they were compared with Central American specimens, including type material. Based on the material examined, H. caraibus is a species broadly distributed in Central and South America, with representatives of different areas separated by minor differences. The geographical distributions of the three species are considerably enlarged: H. crassulus Sharp and H. turbinatus Zimmermann are recorded for the first time from Paraguay, and H. caraibus is recorded for the first time from Argentina and Nicaragua. Bionomical information of the species is presented.Se estudiaron los representantes sudamericanos del género Hydrovatus Motschulsky. Se diagnostica cada una de las tres especies conocidas, enfatizando el reconocimiento de caracteres valiosos para su identificación; las principales diferencias se resumen en una clave. Para identificar los ejemplares sudamericanos de H. caraibus Sharp, se los comparó con especímenes de América Central, incluyendo material tipo. En base al material examinado, H. caraibus se encuentra ampliamente distribuida en America Central y del Sur, con representantes de diferentes áreas separados por diferencias menores. Las distribuciones geográficas de las tres especies se amplían considerablemente: H. crassulus Sharp y H. turbinatus Zimmermann se citan por primera vez de Paraguay, y H. caraibus se cita por primera vez de Argentina y Nicaragua. Se presenta información bionómica de las especies.

  5. Sampling methods for Graphoderus bilineatus (Coleoptera: Dytiscidae).

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    Koese, B.; Cuppen, J.G.M.

    2006-01-01

    Onderzoek naar vangmethodes voor Graphoderus bilineatus (Coleoptera: Dytiscidae) Als onderdeel van een integrale studie naar de waterroofkever Graphoderus bilineatus in Nederland (in opdracht van het ministerie van lnv), werd een vergelijkend onderzoek uitgevoerd naar verschillende

  6. Hydrovatus caraibus Sharp, 1882 (Dytiscidae, Hydroporinae, Hydrovatini new for the fauna of South America

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    Benetti, C. J.

    2003-11-01

    Full Text Available The species Hydrovatus caraibus Sharp, 1882 is recorded for the first time for South America, after the recollection of specimens of this species in the municipality of Gramado, State of Rio Grande do Sul, Brazil. The range of distribution of the species, previously restricted to the Caribbean, is now extended to the latitude 29º 26’ South, approximately.

  7. A predictive distribution model for Graphoderus bilineatus in the Netherlands (Coleoptera: Dytiscidae).

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    Sierdsema, H.; Cuppen, J.G.M.

    2006-01-01

    Een voorspellend verspreidingsmodel voor de gestreepte waterroofkever Graphoderus bilineatus in Nederland (Coleoptera: Dytiscidae) Op verzoek van de Provincie Zuid-Holland en het Ministerie van lnv is het huidige voorkomen en de biotoopvoorkeur van de gestreepte waterroofkever Graphoderus bilineatus

  8. New records of predaceous diving beetles (Coleoptera:Dytiscidae) in Maine

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    Boobar, L.R.; Gibbs, K.E.; Longcore, J.R.; Perillo, A.M.

    1996-01-01

    Locations, habitat descriptions, and collection dates are listed for new records of 4 genera and 12 species of predaceous diving beetles (Coleoptera: Dytiscidae) in Maine. Previously, 17 genera and 53 species of the aquatic beetle were reported from Maine.

  9. Distribution and habitat of Graphoderus bilineatus in the Netherlands (Coleoptera: Dytiscidae).

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    Cuppen, J.G.M.; Koese, B.; Sierdsema, H.

    2006-01-01

    Verspreiding en biotopen van Graphoderus bilineatus (Coleoptera: Dytiscidae) De verspreiding en biotopen van de gestreepte waterroofkever Graphoderus bilineatus zijn in 2004 en 2005 onderzocht in opdracht van de provincie Zuid-Holland en het Ministerie van lnv. Deze waterroofkever is wettelijk

  10. De brede geelgerande waterroofkever Dytiscus latissimus na 38 jaar weer in Nederland opgedoken (Coleoptera: Dytiscidae).

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    Dijk, van G.

    2006-01-01

    Dytiscus latissimus after 38 years rediscovered in the Netherlands in 2005 (Coleoptera: Dytiscidae) In 2005 two males of the water beetle Dytiscus latissimus were caught near Uffelte (province of Drenthe). The species is endangered throughout its range and was thought to be extinct in the

  11. Biocontrol of larval mosquitoes by Acilius sulcatus (Coleoptera: Dytiscidae).

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    Chandra, Goutam; Mandal, Samir K; Ghosh, Arup K; Das, Dipanwita; Banerjee, Siddhartha S; Chakraborty, Sumanta

    2008-10-15

    Problems associated with resistant mosquitoes and the effects on non-target species by chemicals, evoke a reason to find alternative methods to control mosquitoes, like the use of natural predators. In this regard, aquatic coleopterans have been explored less compared to other insect predators. In the present study, an evaluation of the role of the larvae of Acilius sulcatus Linnaeus 1758 (Coleoptera: Dytiscidae) as predator of mosquito immatures was made in the laboratory. Its efficacy under field condition was also determined to emphasize its potential as bio-control agent of mosquitoes. In the laboratory, the predation potential of the larvae of A. sulcatus was assessed using the larvae of Culex quinquefasciatus Say 1823 (Diptera: Culicidae) as prey at varying predator and prey densities and available space. Under field conditions, the effectiveness of the larvae of A. sulcatus was evaluated through augmentative release in ten cemented tanks hosting immatures of different mosquito species at varying density. The dip density changes in the mosquito immatures were used as indicator for the effectiveness of A. sulcatus larvae. A single larva of A. sulcatus consumed on an average 34 IV instar larvae of Cx. quinquefasciatus in a 24 h period. It was observed that feeding rate of A. sulcatus did not differ between the light-on (6 a.m. - 6 p.m.), and dark (6 p.m. - 6 a.m.) phases, but decreased with the volume of water i.e., space availability. The prey consumption of the larvae of A. sulcatus differed significantly (P 0.05) throughout the study period. the larvae of the dytiscid beetle A. sulcatus proved to be an efficient predator of mosquito immatures and may be useful in biocontrol of medically important mosquitoes.

  12. Biocontrol of larval mosquitoes by Acilius sulcatus (Coleoptera: Dytiscidae

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    Banerjee Siddhartha S

    2008-10-01

    Full Text Available Abstract Background Problems associated with resistant mosquitoes and the effects on non-target species by chemicals, evoke a reason to find alternative methods to control mosquitoes, like the use of natural predators. In this regard, aquatic coleopterans have been explored less compared to other insect predators. In the present study, an evaluation of the role of the larvae of Acilius sulcatus Linnaeus 1758 (Coleoptera: Dytiscidae as predator of mosquito immatures was made in the laboratory. Its efficacy under field condition was also determined to emphasize its potential as bio-control agent of mosquitoes. Methods In the laboratory, the predation potential of the larvae of A. sulcatus was assessed using the larvae of Culex quinquefasciatus Say 1823 (Diptera: Culicidae as prey at varying predator and prey densities and available space. Under field conditions, the effectiveness of the larvae of A. sulcatus was evaluated through augmentative release in ten cemented tanks hosting immatures of different mosquito species at varying density. The dip density changes in the mosquito immatures were used as indicator for the effectiveness of A. sulcatus larvae. Results A single larva of A. sulcatus consumed on an average 34 IV instar larvae of Cx. quinquefasciatus in a 24 h period. It was observed that feeding rate of A. sulcatus did not differ between the light-on (6 a.m. – 6 p.m., and dark (6 p.m. – 6 a.m. phases, but decreased with the volume of water i.e., space availability. The prey consumption of the larvae of A. sulcatus differed significantly (P A. sulcatus larvae, while with the withdrawal, a significant increase (p A. sulcatus in regulating mosquito immatures. In the control tanks, mean larval density did not differ (p > 0.05 throughout the study period. Conclusion the larvae of the dytiscid beetle A. sulcatus proved to be an efficient predator of mosquito immatures and may be useful in biocontrol of medically important mosquitoes.

  13. Speciation of Iberian diving beetles in Pleistocene refugia (Coleoptera, Dytiscidae).

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    Ribera, Ignacio; Vogler, Alfried P

    2004-01-01

    The Mediterranean basin is an area of high diversity and endemicity, but the age and origin of its fauna are still largely unknown. Here we use species-level phylogenies based on approximately 1300 base pairs of the genes 16S rRNA and cytochrome oxidase I to establish the relationships of 27 of the 34 endemic Iberian species of diving beetles in the family Dytiscidae, and to investigate their level of divergence. Using a molecular clock approach, 18-19 of these species were estimated to be of Pleistocene origin, with four to six of them from the Late Pleistocene ( approximately 100 000 years). A second, lower speciation frequency peak was assigned to Late Miocene or Early Pliocene. Analysis of the distributional ranges showed that endemic species placed in the tip nodes of the trees are significantly more likely to be allopatric with their sisters than endemic species at lower node levels. Allopatric sister species are also significantly younger than sympatric clades, in agreement with an allopatric mode of speciation and limited subsequent range movement. These results strongly suggest that for some taxa Iberian populations were isolated during the Pleistocene long enough to speciate, and apparently did not expand their ranges to recolonize areas north of the Pyrenees. This is in contradiction to observations from fossil beetles in areas further north, which document large range movements associated with the Pleistocene glacial cycles hypothesized to suppress population isolation and allopatric speciation.

  14. Temperature-dependent regulation of reproduction in the diving beetle Dytiscus sharpi (Coleoptera: Dytiscidae).

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    Inoda, Toshio; Tajima, Fumitada; Taniguchi, Hiroshi; Saeki, Motoyuki; Numakura, Kazuki; Hasegawa, Masami; Kamimura, Shinji

    2007-11-01

    The effects of temperature on the mating behavior, gonad development, germ cell maturation, and egg spawning of the predaceous diving beetle Dytiscus sharpi (Coleoptera; Dytiscidae), were investigated. By field observations, we found that mating behavior started in October and occurred more frequently from November to December. Under our laboratory breeding conditions, we observed almost the same seasonal variation in mating behavior. We found that temperatures lower than 20 degrees C were required to trigger mating behavior. We also found the same temperature threshold triggered gonadogenesis as well as spermatogenesis. Furthermore, for females, exposure to lower temperatures (<8 degrees C) during the winter was required for egg maturation and spawning in spring; that is, there was a second threshold for successful female reproduction. We conclude that the termination of summer reproductive diapause of D. sharpi is regulated in a temperature-dependent manner, thus effecting the adaptation of D. sharpi to southern warm habitats.

  15. Review of the genus Fontidessus Miller & Spangler, 2008 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini) with description of four new species.

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    Miller, Kelly B; Montano, Elizabeth T

    2014-01-01

    The genus Fontidessus Miller & Spangler, 2008 (Coleoptera: Dytiscidae: Hydroporinae: Bidessini) is reviewed. The genus now includes seven species with three previously described, and four new species described here: F. microphthalmus Miller & Montano, sp. n.; F. bettae Miller & Montano, sp. n.; F. christineae Miller & Montano, sp. n., and F. aquarupe Miller & Montano, sp. n. Each species is diagnosed and described, including the previously known species, based on new specimens and new information. Habitus, male genitalia and other diagnostic features are illustrated for each species. A key to the seven species is provided. Fontidessus species are unique to hygropetric habitats in the Guiana Shield craton of northern South American.

  16. Review of the genus Fontidessus Miller & Spangler, 2008 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini with description of four new species

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    Kelly Miller

    2014-07-01

    Full Text Available The genus Fontidessus Miller & Spangler, 2008 (Coleoptera: Dytiscidae: Hydroporinae: Bidessini is reviewed. The genus now includes seven species with three previously described, and four new species described here: F. microphthalmus Miller & Montano, sp. n.; F. bettae Miller & Montano, sp. n.; F. christineae Miller & Montano, sp. n., and F. aquarupe Miller & Montano, sp. n. Each species is diagnosed and described, including the previously known species, based on new specimens and new information. Habitus, male genitalia and other diagnostic features are illustrated for each species. A key to the seven species is provided. Fontidessus species are unique to hygropetric habitats in the Guiana Shield craton of northern South American.

  17. Evolution of subterranean diving beetles (Coleoptera: Dytiscidae: Hydroporini, Bidessini) in the arid zone of Australia.

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    Leys, Remko; Watts, Chris H S; Cooper, Steve J B; Humphreys, William F

    2003-12-01

    Calcrete aquifers in arid inland Australia have recently been found to contain the world's most diverse assemblage of subterranean diving beetles (Coleoptera: Dytiscidae). In this study we test whether the adaptive shift hypothesis (ASH) or the climatic relict hypothesis (CRH) is the most likely mode of evolution for the Australian subterranean diving beetles by using a phylogeny based on two sequenced fragments of mitochondrial genes (CO1 and 16S-tRNA-ND1) and linearized using a relaxed molecular clock method. Most individual calcrete aquifers contain an assemblage of diving beetle species of distantly related lineages and/or a single pair of sister species that significantly differ in size and morphology. Evolutionary transitions from surface to subterranean life took place in a relatively small time frame between nine and four million years ago. Most of the variation in divergence times of the sympatric sister species is explained by the variation in latitude of the localities, which correlates with the onset of aridity from the north to the south and with an aridity maximum in the Early Pliocene (five mya). We conclude that individual calcrete aquifers were colonized by several distantly related diving beetle lineages. Several lines of evidence from molecular clock analyses support the CRH, indicating that all evolutionary transitions took place during the Late Miocene and Early Pliocene as a result of aridification.

  18. Eye and optic lobe metamorphosis in the sunburst diving beetle, Thermonectus marmoratus (Coleoptera: Dytiscidae).

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    Sbita, Sarah J; Morgan, Randy C; Buschbeck, Elke K

    2007-12-01

    Nearly nothing is known about the transition that visual brain regions undergo during metamorphosis, except for Drosophila in which larval eyes and the underlying neural structure are strongly reduced. We have studied the larvae of the sunburst diving beetle, Thermonectus marmoratus (Coleoptera: Dytiscidae), which are sophisticated visually oriented predators characterized by six elaborate stemmata on each side of the head and an associated large optic lobe. We used general neurohistological staining and 3D reconstruction to determine how the eyes and optic lobe of T. marmoratus change morphologically during metamorphosis. We find that in third (last) instar larvae, the adult neuropils are already forming de novo dorsally and slightly anteriorly to the larval neuropils, while the latter rapidly degenerate. Larval eyes are eventually reduced to distinct areas with dark pigmentation. This complete reorganization, which may be an evolutionarily conserved trait in holometabolous insects, occurs despite the considerable costs that must apply to such a visually complex animal. Our findings are consistent with the concept that stemmata are homologous to the most posterior ommatidia of hemimetabolous insects, an idea also recently supported by molecular data.

  19. Predaceous diving beetle, Dytiscus sharpi sharpi (Coleoptera: Dytiscidae) larvae avoid cannibalism by recognizing prey.

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    Inoda, Toshio

    2012-09-01

    Larvae of diving beetles such as the various Dytiscus species (Coleoptera: Dytiscidae) are carnivorous and usually prey on other aquatic animals. Cannibalism among larvae of Dytiscus sharpi sharpi (Wehncke) was observed to begin when they were starved for more than two days under artificial breeding conditions. However, the 2-day starved larvae did not show cannibalism in the presence of intact, motionless, frozen tadpoles, or frozen shrimps. The beetle larvae attacked and captured intact tadpoles faster (15 sec) than other motionless and frozen tadpoles (120 sec), indicating that prey movement was an important factor in stimulating feeding behavior in larvae. Prey density does not have an effect on larval cannibalism. In cases in which preys are present at lower densities than that of larvae, a group of beetle larvae frequently fed on single prey. This feeding behavior, therefore, provides direct evidence of self-other recognition at the species level. Using two traps in one aquarium that allows the larvae to detect only prey smell, one containing tadpoles and another empty, the beetle larvae were attracted to the trap with tadpoles at high frequency, but not to the empty trap. In another experiment, the beetle larvae were not attracted to the trap containing a beetle larva. These results suggest that the larvae of D. sharpi sharpi are capable of recognizing prey scent, which enables the promotion of foraging behavior and the prevention of cannibalism.

  20. Position specificity in Chitonomyces (Ascomycota, Laboulbeniomycetes) on Laccophilus (Coleoptera, Dytiscidae): a molecular approach resolves a century-old debate.

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    Goldmann, Lauren; Weir, Alex

    2012-01-01

    The occurrence of Laboulbeniomycete species consistently on a precise portion of beetle integument was investigated in 13 species of Chitonomyces ectoparasitic on the aquatic diving beetle Laccophilus maculosus (Coleoptera, Dytiscidae). The phenomenon was called "position specificity" by Roland Thaxter in 1896, yet the mechanism has remained unknown. By using molecular analysis of the nucSSU rRNA gene and the 5.8S and partial ITS1 rRNA regions, 13 species of Chitonomyces reported to exhibit position specificity on Laccophilus maculosus were placed neatly into pairs of morphotypes, resulting in synonomies and recognition of six phylogenetic species (one species is a triplet). Each phylogenetic species was located at corresponding positions on male and female beetles that make contact during mating. In addition, ecological data and video footage of the mating behaviors of Laccophilus confirmed that sexual transmission is the mechanism behind this enigmatic phenomenon.

  1. Karyotypes of some medium-sized Dytiscidae (Agabinae and Colymbetinae) (Coleoptera).

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    Angus, Robert B; Clery, Molly J; Carter, Jodie C; Wenczek, Daniel E

    2013-01-01

    An account is given of the karyotypes of 29 species of medium sized Dytiscidae (Coleoptera). Of the 20 species of Agabus Leach, 1817, 18 have karyotypes comprising 21 pairs of autosomes and sex chromosomes which are either X0(♂) or XX (♀). These species are Agabus serricornis (Paykull, 1799), Agabus labiatus (Brahm, 1791), Agabus congener (Thunberg, 1794), Agabus lapponicus (Thomson, 1867), Agabus thomsoni (J. Sahlberg, 1871), Agabus confinis (Gyllenhal, 1808), Agabus sturmii (Gyllenhal, 1808), Agabus bipustulatus (Linnaeus, 1767), Agabus nevadensis Håkan Lindberg, 1939, Agabus wollastoni Sharp, 1882, Agabus melanarius Aubé, 1837, Agabus biguttatus (Olivier, 1795), Agabus binotatus Aubé, 1837, Agabus affinis (Paykull, 1798), Agabus unguicularis (Thomson, 1867), Agabus ramblae Millan & Ribera, 2001, Agabus conspersus (Marsham, 1802) and Agabus nebulosus (Forster, 1771). However two species, Agabus infuscatus Aubé, 1838 and Agabus adpressus Aubé, 1837, have developed a neo-XY system, with karyotypes comprising 21 pairs of autosomes and XY sex chromosomes (♂). No chromosomal differences have been detected between typical Agabus bipustulatus and Agabus bipustulatus var. solieri Aubé, 1837, nor have any been found between the three species of the Agabus bipustulatus complex (Agabus bipustulatus, Agabus nevadensis and Agabus wollastoni). The four species of Colymbetes Clairville, 1806, Colymbetes fuscus (Linnaeus, 1758), Colymbetes paykulli Erichson, 1837, Colymbetes piceus Klug, 1834 and Colymbetes striatus (Linnaeus, 1758) have karyotypes comprising 20 pairs of autosomes and sex chromosomes which are X0 (♂), XX (♀). Two of the species of Rhantus Dejean, 1833, Rhantus exsoletus (Forster, 1771) and Rhantus suturellus (Harris, 1828) have karyotypes comprising 20 pairs of autosomes and X0/XX sex chromosomes, but the other three species, Rhantus grapii (Gyllenhal, 1808), Rhantus frontalis (Marsham, 1802) and Rhantus suturalis (Macleay, 1825) have 22 pairs of

  2. Karyotypes of some medium-sized Dytiscidae (Agabinae and Colymbetinae (Coleoptera

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    Robert Angus

    2013-06-01

    Full Text Available An account is given of the karyotypes of 29 species of medium sized Dytiscidae (Coleoptera. Of the 20 species of Agabus Leach, 1817, 18 have karyotypes comprising 21 pairs of autosomes and sex chromosomes which are either X0(♂ or XX (♀. These species are A. serricornis (Paykull, 1799, A. labiatus (Brahm, 1791, A. congener (Thunberg, 1794, A. lapponicus (Thomson, 1867, A. thomsoni (J. Sahlberg, 1871, A. confinis (Gyllenhal, 1808, A. sturmii (Gyllenhal, 1808, A. bipustulatus (Linnaeus, 1767, A. nevadensis Håkan Lindberg, 1939, A. wollastoni Sharp, 1882, A. melanarius Aubé, 1837, A. biguttatus (Olivier, 1795, A. binotatus Aubé, 1837, A. affinis (Paykull, 1798, A. unguicularis (Thomson, 1867, A. ramblae Millan & Ribera, 2001, A. conspersus (Marsham, 1802 and A. nebulosus (Forster, 1771. However two species, A. infuscatus Aubé, 1838 and A. adpressus Aubé, 1837, have developed a neo-XY system, with karyotypes comprising 21 pairs of autosomes and XY sex chromosomes (♂. No chromosomal differences have been detected between typical A. bipustulatus and A. bipustulatus var. solieri Aubé, 1837, nor have any been found between the three species of the A. bipustulatus complex (A. bipustulatus, A. nevadensis and A. wollastoni. The four species of Colymbetes Clairville, 1806, C. fuscus (Linnaeus, 1758, C. paykulli Erichson, 1837, C. piceus Klug, 1834 and C. striatus (Linnaeus, 1758 have karyotypes comprising 20 pairs of autosomes and sex chromosomes which are X0 (♂, XX (♀. Two of the species of Rhantus Dejean, 1833, R. exsoletus (Forster, 1771 and R. suturellus (Harris, 1828 have karyotypes comprising 20 pairs of autosomes and X0/XX sex chromosomes, but the other three species, R. grapii (Gyllenhal, 1808, R. frontalis (Marsham, 1802 and R. suturalis (Macleay, 1825 have 22 pairs of autosomes and X0/XX sex chromosomes. Agabus congener and Rhantus suturellus may have one B-chromosome. Nine of the species have previously published karyotype data but

  3. New fossil taxa and notes on the Mesozoic evolution of Liadytidae and Dytiscidae (Coleoptera).

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    Prokin, Alexander A; Petrov, Pyotr N; Wang, Bo; Ponomarenko, Alexander G

    2013-01-01

    The diagnoses of Liadytidae Ponomarenko, 1977, Liadytiscinae Prokin & Ren, 2010, Liadytiscus Prokin & Ren, 2010 and Mesoderus Prokin & Ren, 2010 (Dytiscidae) are modified, and the following new taxa are described from Mesozoic fossils: Liadytes aspidytoides sp. n. (Liadytidae); Mesoderini trib. n., Liadyxianus kirejtshuki gen. n. et sp. n., Mesoderus punctatus sp. n., Mesoderus ovatus sp. n., Mesodytes rhantoides gen. n. et sp. n., Palaeodytes baissiensis sp. n. and Cretodytes incertus sp. n. (Dytiscidae). A summarized checklist of all Mesozoic Liadytidae and Dytiscidae known from adults is given, and an identification key to the genera of Mesozoic Dytiscidae known from adults is provided for the first time. Palaeodytes incompletus Ponomarenko, Coram & Jarzembowski, 2005 (the suffix of the specific epithet is emended from the original incomnpleta) is found to belong not to this genus, but to another one, which remains to be described. The fossil larva Angaragabus jurassicus Ponomarenko, 1963 from the Lower Jurassic of Irkutsk Oblast, Russia, probably belonging to Liadytidae, is re-examined. If this larva actually belongs to Liadytidae, then its morphological characters provide additional confirmation of the conclusion, based on the characters of adult liadytids, that the family is quite separate from the recent family Aspidytidae, and the similarity between the adults of both families results from parallel processes in the evolution of the superfamily Dytiscoidea. We show that the principal trends of morphological changes of Liadytidae and Dytiscidae during the Upper Jurassic and Lower Cretaceous included a consistent increase in the area of the metacoxal plates at the expense of decreasing area of the lateral lobes of the metaventrite ("wings"), flattening and loss of the lateral border of the elevated median area of the metaventrite, and shortening and dilation of the metafemur and metatibia. These changes were probably associated with an increased load of

  4. Copelatus cessaima sp. nov. (Coleoptera: Dytiscidae: Copelatinae): first record of a troglomorphic diving beetle from Brazil.

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    Caetano, Daniel S; Bená, Daniela De C; Vanin, Sergio A

    2013-01-01

    Copelatus cessaima sp. nov. is described from Brazil. The new species was collected in water puddles inside of caves found in an ironstone formation and has typical troglomorphic characters: the eyes and metathoracic wings are absent, the elytra are fused and the body has long setae. This is the second species of Copelatinae reported as troglomorphic and the first record of a troglomorphic Dytiscidae species in Brazil. The modified morphology of the new species and the lack of elytral striae make the placement of C. cessaima sp. nov. in one of the 15 recognized Copelatus species groups difficult. Thus, we assign the new species to a "group unknown" as defined in Nilsson's world catalogue of the family Dytiscidae.

  5. New Coleoptera records from New Brunswick, Canada: Gyrinidae, Carabidae, and Dytiscidae.

    Science.gov (United States)

    Webster, Reginald P; Demerchant, Ian

    2012-01-01

    Dineutus assimilis Kirby and Dineutus discolor Aubé of the Family Gyrinidae are newly reported from New Brunswick, Canada. Four species of Carabidae, Agonum (Agonum) piceolum (LeConte), Bembidion (Pseudoperyphus) rufotinctum Chaudoir, Harpalus (Harpalus) opacipennis (Haldeman), and Pterostichus (Melanius) castor Goulet & Bousquet are newly reported from New Brunswick and the Maritime provinces, and one species of Dytiscidae, Liodessus noviaffinis Miller, is newly recorded for the province. Collection, habitat data, and distribution maps are presented for each species.

  6. New Coleoptera records from New Brunswick, Canada: Gyrinidae, Carabidae, and Dytiscidae

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    Reginald Webster

    2012-04-01

    Full Text Available Dineutus assimilis Kirby and Dineutus discolor Aubé of the Family Gyrinidae are newly reported from New Brunswick, Canada. Four species of Carabidae, Agonum (Agonum piceolum (LeConte, Bembidion (Pseudoperyphus rufotinctum Chaudoir, Harpalus (Harpalus opacipennis (Haldeman, and Pterostichus (Melanius castor Goulet & Bousquet are newly reported from New Brunswick and the Maritime provinces, and one species of Dytiscidae, Liodessus noviaffinis Miller, is newly recorded for the province. Collection, habitat data, and distribution maps are presented for each species.

  7. Generic keys for the identification of larval Dytiscidae from Argentina (Coleoptera: Adephaga

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    Mariano C MICHAT

    2008-01-01

    Full Text Available Se presentan claves genéricas para la identificación de las larvas de Dytiscidae de la Argentina. Un total de 27 géneros de Dytiscidae son reconocidos en la Argentina, comprendidos en 16 tribus y siete subfamilias. Veintidós de los 27 géneros fueron incluidos en las claves. Los restantes cinco géneros no pudieron ser incluidos porque sus larvas son desconocidas (Bidessonotus Régimbart, Brachyvatus Zimmermann, Hemibidessus Zimmermann, Neobidessus Young o son conocidas muy imperfectamente (Cybister Curtis. Las claves se presentan en inglés y español. Se incluyeron caracteres morfológicos y de la quetotaxia, y se puso énfasis en incluir caracteres fácilmente visualizables e identificables. Sin embargo, debido al pequeño tamaño de muchas larvas de Dytiscidae, algunos de los caracteres mencionados en las claves (especialmente los de la quetotaxia son difíciles de visualizar a través de la observación con el microscopio estereoscópico. Por lo tanto, se recomienda el uso del microscopio compuesto para la identificación.

  8. Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini).

    Science.gov (United States)

    Miller, Kelly B

    2016-01-01

    The Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera: Dytiscidae: Hydroporinae: Bidessini) is revised. Thirty species are recognized. The following new species are described: Hydrodessus bimaculatus sp. n. (Venezuela), Hydrodessus brevis sp. n. (Venezuela), Hydrodessus concolorans sp. n. (Venezuela), Hydrodessus continuus sp. n. (Venezuela), Hydrodessus disjunctus sp. n. (Suriname), Hydrodessus fasciatus sp. n. (Brazil), Hydrodessus imparilis sp. n. (Ecuador), Hydrodessus keithi sp. n. (Brazil, Colombia, Ecuador), Hydrodessus kurti sp. n. (Suriname), Hydrodessus kylei sp. n. (Suriname, Venezuela), Hydrodessus laetus sp. n. (Venezuela), Hydrodessus latotibialis sp. n. (Peru), Hydrodessus maculatus sp. n. (Guyana, Venezuela), Hydrodessus morsus sp. n. (Venezuela), Hydrodessus palus sp. n. (Venezuela), and Hydrodessus tenuatus sp. n. (Suriname). The following new synonyms are established: Hydrodessus fragrans Spangler, 1985 = Hydrodessus biguttatus (Guignot, 1957) syn. n. and Hydrodessus robinae Spangler, 1985 = Hydrodessus octospilus (Guignot, 1957), syn. n. One species is transferred from Hydrodessus to Amarodytes Régimbart, Amarodytes soekhnandanae (Makhan, 1994), comb. n. Habitus photographs (dorsal and lateral) and photos of the ventral surfaces are provided for most species. Line drawings of male and female genitalia and other diagnostic features are also provided along with distribution maps.

  9. Taxonomic revision of Madagascan Rhantus (Coleoptera, Dytiscidae, Colymbetinae) with an emphasis on Manjakatompo as a conservation priority.

    Science.gov (United States)

    Hjalmarsson, Anna Emilia; Bukontaite, Rasa; Ranarilalatiana, Tolotra; Randriamihaja, Jacquelin Herisahala; Bergsten, Johannes

    2013-01-01

    We review the diving-beetle genus Rhantus Dejean of Madagascar (Coleoptera, Dytiscidae, Colymbetinae) based on museum collection holdings and recently collected expedition material. Both morphology and DNA is used to test species boundaries, in particular whether newly collected material from the Tsaratanana mountains in the north represent a new species or are conspecific with Rhantus manjakatompo Pederzani and Rocchi 2009, described based on a single male specimen from the central Ankaratra mountains. DNA of the holotype of R. manjakatompo was successfully extracted in a non-destructive way and sequenced. The general mixed Yule coalescent model applied to an ultrametric tree constructed from mitochondrial cytochrome c oxidase subunit I (COI) sequence data delimited three species. Morphological characters supported the same species unambiguously. We therefore recognise three species of Rhantus to occur in Madagascar: R. latus (Fairmaire, 1869), R. bouvieri Régimbart, 1900 and R. manjakatompo Pederzani and Rocchi, 2009. All three species are endemic to Madagascar and restricted to the highlands of the island. Rhantusstenonychus Régimbart, 1895, syn. n., is considered a junior synonym of R. latus. We designate lectotypes for R. bouvieri and R. goudoti Sharp, 1882, the latter a junior synonym of R. latus. We provide descriptions, a determination key, SEM-images of fine pronotal and elytral structures, distribution maps, habitus photos, and illustrations of male genitalia and pro- and mesotarsal claws. We discuss the role of the Manjakatompo forest as a refugium for Madagascan Rhantus diversity and other endemics of the montane central high plateau.

  10. Key to the subfamilies, tribes and genera of adult Dytiscidae of Argentina (Coleoptera: Adephaga)

    OpenAIRE

    María L. LIBONATTI; Mariano C. Michat; Patricia L. M. TORRES

    2011-01-01

    Los ditíscidos constituyen la familia más numerosa de escarabajos acuáticos a nivel mundial, cuya identificación en la Argentina resulta problemática con las claves actuales. En este trabajo, se presenta una clave (en inglés y español) para los adultos de las ocho subfamilias, 16 tribus y 31 géneros de Dytiscidae de la Argentina. La clave fue construida priorizando la inclusión de caracteres cualitativos estables de la morfología externa y quetotaxia, fácilmente visibles e interpretables. Tam...

  11. Characterization and localization of Rickettsia sp. in water beetles of genus Deronectes (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Küchler, Stefan Martin; Kehl, Siegfried; Dettner, Konrad

    2009-05-01

    In the present study, Rickettsia sp. was detected in four water beetles of the genus Deronectes (Dytiscidae) for the first time. Rickettsiae were found in 100% of examined specimens of Deronectes platynotus (45/45), 39.4% of Deronectes aubei (28/71), 40% of Deronectes delarouzei (2/5) and 33.3% of Deronectes semirufus (1/3). Analysis of 16S rRNA gene sequences revealed a phylogenetic relationship with rickettsial isolates of Limonia chorea (Diptera), tentatively classified as members of the basal ancestral group. Phylogenetic analysis of the gltA (citrate synthase) gene sequences showed that Deronectes symbionts were closest to bacterial symbionts from spiders. Ultrastructural examinations revealed typical morphological features and intracellular arrangements of rickettsiae. The distribution, transmission and localization of Rickettsia sp. in D. platynotus were studied using a diagnostic PCR assay and FISH. Eggs from infected females of D. platynotus were all Rickettsia-positive, indicative of a vertical transmission.

  12. What determines a species' geographical range? Thermal biology and latitudinal range size relationships in European diving beetles (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Calosi, Piero; Bilton, David T; Spicer, John I; Votier, Stephen C; Atfield, Andrew

    2010-01-01

    1. The geographical range sizes of individual species vary considerably in extent, although the factors underlying this variation remain poorly understood, and could include a number of ecological and evolutionary processes. A favoured explanation for range size variation is that this result from differences in fundamental niche breadths, suggesting a key role for physiology in determining range size, although to date empirical tests of these ideas remain limited. 2. Here we explore relationships between thermal physiology and biogeography, whilst controlling for possible differences in dispersal ability and phylogenetic relatedness, across 14 ecologically similar congeners which differ in geographical range extent; European diving beetles of the genus Deronectes Sharp (Coleoptera, Dytiscidae). Absolute upper and lower temperature tolerance and acclimatory abilities are determined for populations of each species, following acclimation in the laboratory. 3. Absolute thermal tolerance range is the best predictor of both species' latitudinal range extent and position, differences in dispersal ability (based on wing size) apparently being less important in this group. In addition, species' northern and southern range limits are related to their tolerance of low and high temperatures respectively. In all cases, absolute temperature tolerances, rather than acclimatory abilities are the best predictors of range parameters, whilst the use of independent contrasts suggested that species' thermal acclimation abilities may also relate to biogeography, although increased acclimatory ability does not appear to be associated with increased range size. 4. Our study is the first to provide empirical support for a relationship between thermal physiology and range size variation in widespread and restricted species, conducted using the same experimental design, within a phylogenetically and ecologically controlled framework.

  13. Taxonomic revision of Madagascan Rhantus (Coleoptera, Dytiscidae, Colymbetinae with an emphasis on Manjakatompo as a conservation priority

    Directory of Open Access Journals (Sweden)

    Anna Hjalmarsson

    2013-11-01

    Full Text Available We review the diving-beetle genus Rhantus Dejean of Madagascar (Coleoptera, Dytiscidae, Colymbetinae based on museum collection holdings and recently collected expedition material. Both morphology and DNA is used to test species boundaries, in particular whether newly collected material from the Tsaratanana mountains in the north represent a new species or are conspecific with Rhantus manjakatompo Pederzani and Rocchi 2009, described based on a single male specimen from the central Ankaratra mountains. DNA of the holotype of R. manjakatompo was successfully extracted in a non-destructive way and sequenced. The general mixed Yule coalescent model applied to an ultrametric tree constructed from mitochondrial cytochrome c oxidase subunit I (COI sequence data delimited three species. Morphological characters supported the same species unambiguously. We therefore recognise three species of Rhantus to occur in Madagascar: R. latus (Fairmaire, 1869, R. bouvieri Régimbart, 1900 and R. manjakatompo Pederzani and Rocchi, 2009. All three species are endemic to Madagascar and restricted to the highlands of the island. Rhantus stenonychus Régimbart, 1895, syn. n., is considered a junior synonym of R. latus. We designate lectotypes for R. bouvieri and R. goudoti Sharp, 1882, the latter a junior synonym of R. latus. We provide descriptions, a determination key, SEM-images of fine pronotal and elytral structures, distribution maps, habitus photos, and illustrations of male genitalia and pro- and mesotarsal claws. We discuss the role of the Manjakatompo forest as a refugium for Madagascan Rhantus diversity and other endemics of the montane central high plateau.

  14. Are Iberian endemics Iberian? A case-study using water beetles of family Dytiscidae (Coleoptera

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    Ribera, Ignacio

    2003-12-01

    Full Text Available The phylogenetic relationships and the geographical origin of 27 of the 34 species and of 3 of the 9 subspecies of Iberian endemic Dytiscidae are studied, based on species level phylogenies constructed with two mitochondrial gene fragments (16S rRNA and Cytochrome Oxidase I. All Iberian endemic species for which more than one specimen was included were monophyletic with the exception of the complex Deronectes aubei sanfilippoi Fery & Brancucci, 1997-D. delarouzei (Jac. Du Val, 1857. The genus Stictotarsus as presently defined is polyphyletic, containing three different lineages: the S. duodecimpustulatus group —including the Iberian endemic S. bertrandi (Legros, 1956—, Trichonectes otini (Guignot, 1941 (new combination and the S. griseostriatus and S. roffii groups, which are in need of a new generic name. The genus Oreodytes is found to be paraphyletic, although with low bootstrap support. The species Nebrioporus (Nebrioporus martinii (Fairmaire, 1858 (new combination is transferred from the subgenus Zimmermannius to Nebrioporus. The Iberian populations of Stictotarsus griseostriatus (De Geer, 1774 and the endemic subspecies Oreodytes davisii rhianae Carr, 2001, O. sanmarkii alienus (Sharp, 1872 and Hydroporus normandi normandi Régimbart, 1903 do not form well characterised lineages, as measured with the mitochondrial markers used in this study. The Iberian endemic species of Dytiscidae are divided in three groups according to the type of vicariant origin: 1 within-Iberian species, when the sister species (or clade of the Iberian endemic is also and Iberian endemic; 2 Iberian/European, when the sister occurs in Europe north of the Pyrenees; and 3 Iberian/North African, when the sister occurs in North Africa. Within-Iberian endemics are found to be on average older than Iberian/European and Iberian/North African species, they have

  15. Key to the subfamilies, tribes and genera of adult Dytiscidae of Argentina (Coleoptera: Adephaga

    Directory of Open Access Journals (Sweden)

    María L. LIBONATTI

    2011-01-01

    Full Text Available Los ditíscidos constituyen la familia más numerosa de escarabajos acuáticos a nivel mundial, cuya identificación en la Argentina resulta problemática con las claves actuales. En este trabajo, se presenta una clave (en inglés y español para los adultos de las ocho subfamilias, 16 tribus y 31 géneros de Dytiscidae de la Argentina. La clave fue construida priorizando la inclusión de caracteres cualitativos estables de la morfología externa y quetotaxia, fácilmente visibles e interpretables. También, se utilizaron caracteres como el tamaño y la forma del cuerpo, el patrón de coloración y la distribución geográfica. Se incluyeron ilustraciones de un gran número de estructuras morfológicas y fotografías tomadas con el microscopio electrónico, para ayudar a la interpretación del texto. Se citan, por primera vez para la Argentina, una subfamilia (Hydrodytinae y cinco géneros (Agaporomorphus Zimmermann, Bidessodes Régimbart, Hydrodytes Miller, Queda Sharp y un género inédito de la subfamilia Laccophilinae.

  16. Physiological niche and geographical range in European diving beetles (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Cioffi, Rebekah; Moody, A John; Millán, Andrés; Billington, Richard A; Bilton, David T

    2016-06-01

    Geographical ranges vary greatly in size and position, even within recent clades, but the factors driving this remain poorly understood. In aquatic beetles, thermal niche has been shown to be related to both the relative range size and position of congeners but whether other physiological parameters play a role is unknown. Metabolic plasticity may be critical for species occupying more variable thermal environments and maintaining this plasticity may trade-off against other physiological processes such as immunocompetence. Here we combine data on thermal physiology with measures of metabolic plasticity and immunocompetence to explore these relationships in Deronectes (Dytiscidae). While variation in latitudinal range extent and position was explained in part by thermal physiology, aspects of metabolic plasticity and immunocompetence also appeared important. Northerly distributed, wide-ranging species apparently used different energy reserves under thermal stress from southern endemic congeners and differed in their antibacterial defences. This is the first indication that these processes may be related to geographical range, and suggests parameters that may be worthy of exploration in other taxa. © 2016 The Author(s).

  17. On the identity of the fossil hydrophilid beetles from the Tertiary localities in the southern part of the Upper Rhine Graben (Coleoptera: Hydrophilidae, Dytiscidae

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    Martin Fikácek

    2011-01-01

    Full Text Available This study focuses on the beetles from the Oligocene localities in the southern part of the Upper Rhine Graben (Brunstatt: France, Alsace; and Kleinkems: Germany, Baden-Württemberg assigned to the family Hydrophilidae by previous authors. The identity of Escheria convexa Förster, 1891 is fixed by the designation of its neotype, the species is redescribed, illustrated and transferred from the hydrophilid genus Hydrobius Leach, 1815 to the genus Copelatus Erichson, 1832 (Coleoptera: Adephaga: Dytiscidae and compared with other fossil representatives of Copelatus. The identity of the remaining three species is briefly evaluated on the basis of the original descriptions and illustrations only, because their types were lost or destroyed during World War II; all three species are removed from the fossil record of the Hydrophiloidea and placed into Polyphaga incertae sedis. The geology and stratigraphy of both fossil outcrops is discussed briefly.

  18. New records of water beetles (Coleoptera: Haliplidae, Dytiscidae, Gyrinidae from Montenegro (SE Europe

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    Pešić Vladimir M.

    2005-01-01

    Full Text Available The water beetle fauna of Montenegro is still poorly known. In the catalog dealing with water beetles (Hydrochantares and Palpicornia in Yugoslavia Gueorguiev (1971 gives a list of 116 water beetle species from Montenegro. Mikšić (1977 reported the presence of six water beetles species from the Ulcinj area. In the present paper, 19 water beetle species (Coleoptera Hydradephaga are reported, five of which are new for the fauna of Montenegro. All specimens have been deposited in the zoological collection of the department of Biology (Podgorica. In list of the species, we give the locality, the date of sampling, the total number of individuals and the names of collectors.

  19. Laccomimus xikrin sp. nov. and new records of other species of Laccomimus Toledo & Michat, 2015 (Coleoptera: Dytiscidae: Laccophilinae) from Brazil.

    Science.gov (United States)

    Braga, Rafael Benzi; Ferreira, Nelson

    2016-08-18

    The genus Laccomimus Toledo & Michat, 2015 was recently erected for small drop-shape Dytiscidae beetles commonly found in Tropical South America associated with lentic waters. In the present paper a new species, Laccomimus xikrin sp. nov., is described and illustrated. New records from Brazil are presented for Laccomimus alvarengi Toledo & Michat, 2015 from Amazonas state, L. bordoni Toledo & Michat, 2015 from São Paulo state and L. variegatus Toledo & Michat, 2015 from Pará state.

  20. Generic keys for the identification of larval Dytiscidae from Argentina (Coleoptera: Adephaga Claves genéricas para la identificación de las larvas de Dytiscidae de la Argentina (Coleoptera: Adephaga

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    Mariano C. Michat

    2008-12-01

    Full Text Available Generic keys for the identification of larvae of Dytiscidae from Argentina are presented. A total of 27 dytiscid genera are recognized in Argentina, included in 16 tribes and seven subfamilies. Twenty-two of the 27 genera are included in the keys. The remaining fi ve genera could not be included because their larvae are unknown (Bidessonotus Régimbart, Brachyvatus Zimmermann, Hemibidessus Zimmermann, Neobidessus Young or remain poorly known (Cybister Curtis. The keys are presented in English and Spanish. Morphological as well as chaetotaxic characters were included, and an emphasis was made to include easily seen and identifiable characters. However, due to the small size of many dytiscid larvae, some of the characters mentioned in the keys (especially the chaetotaxic ones are difficult to visualize through the observation with a stereoscopic microscope. Therefore, the use of a compound microscope for the identifi cation is recommended.Se presentan claves genéricas para la identificación de las larvas de Dytiscidae de la Argentina. Un total de 27 géneros de Dytiscidae son reconocidos en la Argentina, comprendidos en 16 tribus y siete subfamilias. Veintidós de los 27 géneros fueron incluidos en las claves. Los restantes cinco géneros no pudieron ser incluidos porque sus larvas son desconocidas (Bidessonotus Régimbart, Brachyvatus Zimmermann, Hemibidessus Zimmermann, Neobidessus Young o son conocidas muy imperfectamente (Cybister Curtis. Las claves se presentan en inglés y español. Se incluyeron caracteres morfológicos y de la quetotaxia, y se puso énfasis en incluir caracteres fácilmente visualizables e identificables. Sin embargo, debido al pequeño tamaño de muchas larvas de Dytiscidae, algunos de los caracteres mencionados en las claves (especialmente los de la quetotaxia son difíciles de visualizar a través de la observación con el microscopio estereoscópico. Por lo tanto, se recomienda el uso del microscopio compuesto para

  1. Further contributions to the Hydradephaga (Coleoptera, Haliplidae, Gyrinidae and Dytiscidae) fauna of Prince Edward Island, Canada: new records, distributions and faunal composition.

    Science.gov (United States)

    Alarie, Yves

    2016-01-01

    The Haliplidae, Gyrinidae and Dytiscidae (Coleoptera) of Prince Edward Island, Canada were surveyed during the years 2004-2005. A total of 2450 individuals from 79 species were collected from 98 different localities, among which 30 species are newly recorded from that region. Among these, Acilius sylvanus Hilsenhoff, Rhantus consimilis Motschulsky and Neoporus sulcipennis (Fall) stand out as representing the easternmost reports of these species in Canada. Once removed, Gyrinus aquiris LeConte (Gyrinidae) is reinstated in the faunal list of Prince Edward Island. According to this study and literature 84 species of Hydradephaga are currently known from Prince Edward Island. The Nearctic component of the fauna is made up of 68 species (80.9%) and the Holarctic component of 16 species (19.1%). Most species are characteristic of the Boreal and Atlantic Maritime Ecozones and have a transcontinental distribution. In an examination of the Hydradephaga of insular portions of Atlantic Canada, we found that despite significantly different land areas and different distances to the neighbouring continental mainland the island faunas of Prince Edward Island and insular Newfoundland are very similar in the number of species (84 and 94 species respectively) despite differences in composition. With a land area significantly larger than that of Prince Edward Island, however, the fauna of Cape Breton Island was 39% smaller consisting of 53 species. This difference could be due to the comparative lack of collecting efforts on Cape Breton Island.

  2. A simultaneous journal / wiki publication and dissemination of a new species description: Neobidessodes darwiniensis sp. n. from northern Australia (Coleoptera, Dytiscidae, Bidessini).

    Science.gov (United States)

    Hendrich, Lars; Balke, Michael

    2011-02-03

    Here, we describe a new Australian species in journal format and simultaneously open the description in a wiki format on the www.species-id.net. The wiki format will always link to the fixed original journal description of the taxon, however it permits future edits and additions to species' taxonomy and biology. The diving beetle Neobidessodes darwiniensissp. n. (Coleoptera: Dytiscidae, Bidessini) is described based on a single female, collected in a rest pool of the Harriet Creek in the Darwin Area, Northern Territory. Within Neobidessodes the new species is well characterized by its elongate oval body with rounded sides, short and stout segments of antennae, length of body and dorsal surface coloration. In addition to external morphology, we used mitochondrial cox1 sequence data to support generic assignment and to delineate the new species from other Australian Bidessini including all other known Neobidessodes. Illustrations based on digital images are provided here and as online resources. A modified key is provided. Altogether ten species of the genus are now known worldwide, nine from Australia and one from New Guinea.

  3. On the identity of the fossil aquatic beetles from the Tertiary localities in the southern part of the Upper Rhine Graben (Coleoptera, Hydrophilidae, Dytiscidae).

    Science.gov (United States)

    Martin, Fikáček; Hájek, Jiří; Schmied, Heiko

    2011-01-28

    This study focuses on the fossil beetles assigned previously to the family Hydrophilidae described from the localities in the southern part of the Upper Rhine Graben: Brunstatt (France, Alsace) and Kleinkems (Germany, Baden-Württemberg) (both dated ca. to Eocene-Oligocene boundary, 34 Ma). The identity of Escheria convexa Förster, 1891 is fixed by the designation of its neotype, the species is redescribed, illustrated, transferred from the hydrophilid genus Hydrobius Leach, 1815 to the genus Copelatus Erichson, 1832 (Coleoptera: Adephaga: Dytiscidae) and compared with other fossil representatives of Copelatus. The identity of the remaining three species, Hydrobius crassipunctatus (Förster, 1891), Hydrobius dimidiatus (Förster, 1891) and Hydrobius punctulatus (Förster, 1891),is briefly evaluated on the basis of the original descriptions and illustrations only, because their types were lost or destroyed during World War II; all three species are removed from the fossil record of the Hydrophiloidea and placed into Polyphagaincertae sedis. The geology and stratigraphy of Brunnstatt and Kleinkems are discussed briefly.

  4. A simultaneous journal / wiki publication and dissemination of a new species description: Neobidessodes darwiniensis sp. n. from northern Australia (Coleoptera, Dytiscidae, Bidessini

    Directory of Open Access Journals (Sweden)

    Lars Hendrich

    2011-02-01

    Full Text Available Here, we describe a new Australian species in journal format and simultaneously open the description in a wiki format on the www.species-id.net. The wiki format will always link to the fixed original journal description of the taxon, however it permits future edits and additions to species'  taxonomy and biology. The diving beetle Neobidessodes darwiniensis sp. n. (Coleoptera, Dytiscidae, Bidessini is described based on a single female, collected in a rest pool of the Harriet Creek in the Darwin Area, Northern Territory. Within Neobidessodes the new species is well characterized by its elongate oval body with rounded sides, short and stout segments of antennae, length of body and dorsal surface coloration. In addition to external morphology, we used mitochondrial cox1 sequence data to support generic assignment and to delineate the new species from other Australian Bidessini including all other known Neobidessodes. Illustrations based on digital images are provided here and as online resources. A modified key is provided. Altogether ten species of the genus are now known worldwide, nine from Australia and one from New Guinea.

  5. New distributional records and comments for the species of the genus Queda (Coleoptera: Dytiscidae Nuevos registros distribucionales y comentarios para las especies del género Queda (Coleoptera, Dytiscidae

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    Edgardo R. Trémouilles

    2004-07-01

    Full Text Available New distributional records for the species of the genus Queda Sharp are presented based on the examination of the Dytiscid collection at the Museo Argentino de Ciencias Naturales. The presence of the genus in Paraguay is herein reported for the first time. Some additional data on the identified species are also provided.Se aportan nuevos registros sobre distribución geográfica de las especies del género Queda Sharp, basados sobre el examen de la colección de Dytiscidae del Museo Argentino de Ciencias Naturales. La presencia del género en el Paraguay es reportada aquí por primera vez. Se proporciona información adicional sobre las especies identificadas.

  6. Predatory potential of Platynectes sp. (Coleoptera: Dytiscidae) on Aedes albopictus, the vector of dengue/chikungunya in Kerala, India.

    Science.gov (United States)

    Kumar, N P; Bashir, A; Abidha, S; Sabesan, S; Jambulingam, P

    2014-12-01

    Unused and discarded latex collection containers (LCCs) are the major breeding habitats of Aedes albopictus in the rubber plantations of Kerala, India. Platynectes sp. (Family: Dytiscidae) was observed to invade these habitats during the monsoon season and voraciously devour the larval instars of this major vector species of arbo-viral diseases. Field observations showed a reduction of 70.91% (p = 0.0017) and 100% in Aedes larval density, on the first and four days post release of eight beetles per LCC respectively. In laboratory, a beetle was found to devour 17.75 + 5.0 late larval instars of Ae. albopictus per day. Our findings indicate Platynectes sp. could be a potential bio-control agent against Ae. albopictus, the vector of chikungunya/dengue fevers, in rubber plantations.

  7. Twenty-eight retinas but only twelve eyes: an anatomical analysis of the larval visual system of the diving beetle Thermonectus marmoratus (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Mandapaka, Karunyakanth; Morgan, Randy C; Buschbeck, Elke K

    2006-07-10

    The larvae of the sunburst diving beetle, Thermonectus marmoratus (Coleoptera: Dytiscidae), are highly efficient visually guided predators. Their visual system consists of a cluster of six stemmata and one eye patch on each side of the head capsule. Histological investigations show that the organization of individual stemmata differs strongly from any eye that has previously been described. Based on general morphology, ultrastructural data, and the presence of actin-rich areas that are typical for rhabdoms, we find that each eye is characterized by several retinas. The most dorsal eye on each side is relatively long and tubular, and we have identified three spatially distinct areas with retinula cells: 1) a band of two rows of rhabdoms along the medial side of the eye tube; 2) a flattened cone-shaped region towards the bottom of the tube that is formed by the rhabdoms of retinula cells that are oriented perpendicular to the light path; and 3) two horizontal rows of long rhabdoms parallel to the light path at the base of the tube. A second large eye is organized similarly but lacks the medial band. The remaining four eyes are nearly spherical and each has two distinct retinas. The 12 eyes hence account for a total of 26 retinas, and two further retinas are present in eye patches lacking lenses. Our anatomical findings suggest that this is an example of a visual system in which specific visual tasks are distributed among the eyes, and which relies on a variety of highly specialized retinas. Copyright 2006 Wiley-Liss, Inc.

  8. The comparative osmoregulatory ability of two water beetle genera whose species span the fresh-hypersaline gradient in inland waters (Coleoptera: Dytiscidae, Hydrophilidae.

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    Susana Pallarés

    Full Text Available A better knowledge of the physiological basis of salinity tolerance is essential to understanding the ecology and evolutionary history of organisms that have colonized inland saline waters. Coleoptera are amongst the most diverse macroinvertebrates in inland waters, including saline habitats; however, the osmoregulatory strategies they employ to deal with osmotic stress remain unexplored. Survival and haemolymph osmotic concentration at different salinities were examined in adults of eight aquatic beetle species which inhabit different parts of the fresh-hypersaline gradient. Studied species belong to two unrelated genera which have invaded saline waters independently from freshwater ancestors; Nebrioporus (Dytiscidae and Enochrus (Hydrophilidae. Their osmoregulatory strategy (osmoconformity or osmoregulation was identified and osmotic capacity (the osmotic gradient between the animal's haemolymph and the external medium was compared between species pairs co-habiting similar salinities in nature. We show that osmoregulatory capacity, rather than osmoconformity, has evolved independently in these different lineages. All species hyperegulated their haemolymph osmotic concentration in diluted waters; those living in fresh or low-salinity waters were unable to hyporegulate and survive in hyperosmotic media (> 340 mosmol kg(-1. In contrast, the species which inhabit the hypo-hypersaline habitats were effective hyporegulators, maintaining their haemolymph osmolality within narrow limits (ca. 300 mosmol kg(-1 across a wide range of external concentrations. The hypersaline species N. ceresyi and E. jesusarribasi tolerated conductivities up to 140 and 180 mS cm(-1, respectively, and maintained osmotic gradients over 3500 mosmol kg(-1, comparable to those of the most effective insect osmoregulators known to date. Syntopic species of both genera showed similar osmotic capacities and in general, osmotic responses correlated well with upper salinity levels

  9. Mitochondrial DNA phylogeography and population history of Meladema diving beetles on the Atlantic Islands and in the Mediterranean basin (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Ribera, I; Bilton, D T; Vogler, A P

    2003-01-01

    The phylogeny and population history of Meladema diving beetles (Coleoptera, Dytiscidae) were examined using mitochondrial DNA sequence from 16S ribosomal RNA and cytochrome oxidase I genes in 51 individuals from 22 populations of the three extant species (M. imbricata endemic to the western Canary Islands, M. lanio endemic to Madeira and M. coriacea widespread in the Western Mediterranean and on the western Canaries), using a combination of phylogenetic and nested clade analyses. Four main lineages are observed within Meladema, representing the three recognized species plus Corsican populations of M. coriacea. Phylogenetic analyses demonstrate the sister relationship of the two Atlantic Island taxa, and suggest the possible paraphyly of M. coriacea. A molecular clock approach reveals that speciation within the genus occurred in the Early Pleistocene, indicating that the Atlantic Island endemics are not Tertiary relict taxa as had been proposed previously. Our results point to past population bottlenecks in all four lineages, with recent (Late-Middle Pleistocene) range expansion in non-Corsican M. coriacea and M. imbricata. Within the Canary Islands, M. imbricata seems to have independently colonized La Gomera and La Palma from Tenerife (although a colonization of La Palma from La Gomera cannot be discarded), and M. coriacea has independently colonized Tenerife and Gran Canaria from separate mainland lineages. In the Mediterranean basin this species apparently colonized Corsica on a single occasion, relatively early in its evolutionary history (Early Pleistocene), and has colonized Mallorca recently on multiple occasions. On the only island where M. coriacea and M. imbricata are broadly sympatric (Tenerife), we report evidence of bidirectional hybridization between the two species.

  10. The comparative osmoregulatory ability of two water beetle genera whose species span the fresh-hypersaline gradient in inland waters (Coleoptera: Dytiscidae, Hydrophilidae).

    Science.gov (United States)

    Pallarés, Susana; Arribas, Paula; Bilton, David T; Millán, Andrés; Velasco, Josefa

    2015-01-01

    A better knowledge of the physiological basis of salinity tolerance is essential to understanding the ecology and evolutionary history of organisms that have colonized inland saline waters. Coleoptera are amongst the most diverse macroinvertebrates in inland waters, including saline habitats; however, the osmoregulatory strategies they employ to deal with osmotic stress remain unexplored. Survival and haemolymph osmotic concentration at different salinities were examined in adults of eight aquatic beetle species which inhabit different parts of the fresh-hypersaline gradient. Studied species belong to two unrelated genera which have invaded saline waters independently from freshwater ancestors; Nebrioporus (Dytiscidae) and Enochrus (Hydrophilidae). Their osmoregulatory strategy (osmoconformity or osmoregulation) was identified and osmotic capacity (the osmotic gradient between the animal's haemolymph and the external medium) was compared between species pairs co-habiting similar salinities in nature. We show that osmoregulatory capacity, rather than osmoconformity, has evolved independently in these different lineages. All species hyperegulated their haemolymph osmotic concentration in diluted waters; those living in fresh or low-salinity waters were unable to hyporegulate and survive in hyperosmotic media (> 340 mosmol kg(-1)). In contrast, the species which inhabit the hypo-hypersaline habitats were effective hyporegulators, maintaining their haemolymph osmolality within narrow limits (ca. 300 mosmol kg(-1)) across a wide range of external concentrations. The hypersaline species N. ceresyi and E. jesusarribasi tolerated conductivities up to 140 and 180 mS cm(-1), respectively, and maintained osmotic gradients over 3500 mosmol kg(-1), comparable to those of the most effective insect osmoregulators known to date. Syntopic species of both genera showed similar osmotic capacities and in general, osmotic responses correlated well with upper salinity levels occupied by

  11. Key to the subfamilies, tribes and genera of adult Dytiscidae of Argentina (Coleoptera: Adephaga Clave para los adultos de las subfamilias, tribus y géneros de Dytiscidae de la Argentina (Coleoptera: Adephaga

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    María L. Libonatti

    2011-12-01

    Full Text Available Dytiscids constitute the world's most speciose family of water beetles, whose identifi cation in Argentina is problematic with current keys. In this work, a key (both in English and Spanish to the eight subfamilies, 16 tribes and 31 genera of adult Dytiscidae of Argentina is presented. The key was constructed using stable qualitative characters of the external morphology and chaetotaxy, easily visualizable and interpretable. Characters such as size and shape of the body, color pattern and geographic distribution were also used. Illustrations of a great number of morphological structures as well as SEM micrographs were included to aid in the interpretation of the text. One subfamily (Hydrodytinae and fi ve genera (Agaporomorphus Zimmermann, Bidessodes Régimbart, Hydrodytes Miller, Queda Sharp and an unpublished genus of the subfamily Laccophilinae are cited for the fi rst time for Argentina.Los ditíscidos constituyen la familia más numerosa de escarabajos acuáticos a nivel mundial, cuya identifi cación en la Argentina resulta problemática con las claves actuales. En este trabajo, se presenta una clave (en inglés y español para los adultos de las ocho subfamilias, 16 tribus y 31 géneros de Dytiscidae de la Argentina. La clave fue construida priorizando la inclusión de caracteres cualitativos estables de la morfología externa y quetotaxia, fácilmente visibles e interpretables. También, se utilizaron caracteres como el tamaño y la forma del cuerpo, el patrón de coloración y la distribución geográfi ca. Se incluyeron ilustraciones de un gran número de estructuras morfológicas y fotografías tomadas con el microscopio electrónico, para ayudar a la interpretación del texto. Se citan, por primera vez para la Argentina, una subfamilia (Hydrodytinae y cinco géneros (Agaporomorphus Zimmermann, Bidessodes Régimbart, Hydrodytes Miller, Queda Sharp y un género inédito de la subfamilia Laccophilinae.

  12. Description of a New Genus and Species of Stygobiontic Diving Beetle, Psychopomporus felipi Jean, Telles, and Miller (Coleoptera: Dytiscidae: Hydroporinae), from the Edwards-Trinity Aquifer System of Texas, USA.

    Science.gov (United States)

    Jean, April; Telles, Nicole D; Gibson, J Randy; Foley, Dan; Miller, Kelly B

    2012-06-01

    Psychopomporus felipi Jean, Telles, and Miller, new genus and new species (Coleoptera: Dytiscidae), is described from San Felipe Springs, Val Verde County, Texas, USA, which emerges from the Edwards-Trinity aquifer system. Psychopomporus felipi shows several features typical of subterranean diving beetles, such as depigmentation, compound eyes reduced, elytra fused, and flight wings absent. Psychopomporus differs from other hydroporine genera in having a broad elytral epipleuron, the prosternal process small and with a medial, strongly produced prominence, and the meso- and (to a lesser extent) protibia apically broadly expanded and medially distinctly curved. This is the fourth stygobiontic diving beetle described from the Edwards-Trinity aquifer system in south-central Texas, USA.

  13. USING TAXONOMIC REVISION DATA TO ESTIMATE THE GLOBAL SPECIES RICHNESS AND CHARACTERISTICS OF UNDESCRIBED SPECIES OF DIVING BEETLES (COLEOPTERA: DYTISCIDAE

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    Viktor Nilsson-Örtman

    2010-06-01

    Full Text Available Many methods used for estimating species richness are either difficult to use on poorly known taxa or require input data that are laborious and expensive to collect. In this paper we apply a method which takes advantage of the carefully conducted tests of how the described diversity compares to real species richness that are inherent in taxonomic revisions. We analyze the quantitative outcome from such revisions with respect to body size, zoogeographical region and phylogenetic relationship. The best fitting model is used to predict the diversity of unrevised groups if these would have been subject to as rigorous species level hypothesis-testing as the revised groups. The sensitivity of the predictive model to single observations is estimated by bootstrapping over resampled subsets of the original data. The Dytiscidae is with its 4080 described species (end of May 2009 the most diverse group of aquatic beetles and have a world-wide distribution. Extensive taxonomic work has been carried out on the family but still the number of described species increases exponentially in most zoogeographical regions making many commonly used methods of estimation difficult to apply. We provide independent species richness estimates of subsamples for which species richness estimates can be reached through extrapolation and compare these to the species richness estimates obtained through the method using revision data. We estimate there to be 5405 species of dytiscids, a 1.32-fold increase over the present number of described species. The undescribed diversity is likely to be biased towards species with small body size from tropical regions outside of Africa.

  14. The utility of CAD in recovering Gondwanan vicariance events and the evolutionary history of Aciliini (Coleoptera: Dytiscidae).

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    Bukontaite, Rasa; Miller, Kelly B; Bergsten, Johannes

    2014-01-14

    Aciliini presently includes 69 species of medium-sized water beetles distributed on all continents except Antarctica. The pattern of distribution with several genera confined to different continents of the Southern Hemisphere raises the yet untested hypothesis of a Gondwana vicariance origin. The monophyly of Aciliini has been questioned with regard to Eretini, and there are competing hypotheses about the intergeneric relationship in the tribe. This study is the first comprehensive phylogenetic analysis focused on the tribe Aciliini and it is based on eight gene fragments. The aims of the present study are: 1) to test the monophyly of Aciliini and clarify the position of the tribe Eretini and to resolve the relationship among genera within Aciliini, 2) to calibrate the divergence times within Aciliini and test different biogeographical scenarios, and 3) to evaluate the utility of the gene CAD for phylogenetic analysis in Dytiscidae. Our analyses confirm monophyly of Aciliini with Eretini as its sister group. Each of six genera which have multiple species are also supported as monophyletic. The origin of the tribe is firmly based in the Southern Hemisphere with the arrangement of Neotropical and Afrotropical taxa as the most basal clades suggesting a Gondwana vicariance origin. However, the uncertainty as to whether a fossil can be used as a stem-or crowngroup calibration point for Acilius influenced the result: as crowngroup calibration, the 95% HPD interval for the basal nodes included the geological age estimate for the Gondwana break-up, but as a stem group calibration the basal nodes were too young. Our study suggests CAD to be the most informative marker between 15 and 50 Ma. Notably, the 2000 bp CAD fragment analyzed alone fully resolved the tree with high support. 1) Molecular data confirmed Aciliini as a monophyletic group. 2) Bayesian optimizations of the biogeographical history are consistent with an influence of Gondwana break-up history, but were

  15. Use of Biomechanical Analyses of Cranial Variation to Interpret Feeding Components of the Niche in Larval Dytiscid Beetles (Coleoptera: Dytiscidae)

    Science.gov (United States)

    Barman, E.; Wall, W. P.; Shepley, T.

    2005-05-01

    Dytiscid larvae are obligatory predators with most using extra-oral digestion to feed on aquatic invertebrates and small vertebrates. Three aspects of cranial morphology are presented here to illustrate the strong selective force feeding success has on cranial morphology. First, distortion gird analysis of ontogenetic allometry revealed significant changes in Agabus disintegratus during larval development. These differences are most likely the result of ontogenetic shifts in prey preferences in A. disintegratus leading to anisomorphic increases in mandibular musculature during development. Second, evolutionary allometry of lateral head shape in larvae of Matus bicarinatus, Coptotomus lenticus, and Thermonectus basilaris revealed prognathic, hypoprognathic and hyperprognathic patterns of orientation. This variation in cranial architecture may be an indicator of differences in prey regimes exploited by each taxon. And third, geometric analysis of mandibular shape to predict the food habits of Acilius mediatus, Agabus punctatus, and Rhantus calidus revealed significant differences in camber, arc, and angle of attack. These data indicate that mandibular geometry may be strongly influenced by prey choice. Biomechanical methods could have predictive value for identifying larval food habits. This project was supported by a Faculty Research Grant, Office of Research Services, GC&SU. Aquatic Coleoptera Laboratory Contribution No. 61

  16. Predaceous diving beetles (Coleoptera: Dytiscidae from Montenegro with new records and description of the female of Hydroporus Macedonicus Fery & Pešić, 2006

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    Pavićević Ana

    2011-01-01

    Full Text Available This paper deals with the aquatic beetle species of the family Dytiscidae collected from various freshwaters habitats in Montenegro. In total 39 water beetle species were collected from 56 localities in Montenegro between 2007 and 2010. Twelve species and one subspecies are reported for the first time for Montenegro: Agabus sturmii (Gyllenhal, 1808, A. paludosus (Fabricius, 1801, Deronectes moestus inconspectus (Leprieur, 1876, D. platynotus (Germar, 1834, Dytiscus circumcinctus Ahrens, 1811, D. dimidiatus Bergstrдsser, 1778, Hydroporus macedonicus Fery & Pešić, 2006, H. pubescens (Gyllenhal, 1808, Ilybius chalconatus (Panzer, 1797, I. fuliginosus fuliginosus (Fabricius, 1792, I. pseudoneglectus (Franciscolo, 1972, Liopterus haemorrhoidalis (Fabricius, 1787 and Nebrioporus luctuosus (Aubй, 1838. The female genitalia of Hydroporus macedonicus Fery & Pešić, 2006, a rare water beetle previously known only from southern Macedonia, are illustrated. The present state of knowledge of the Montenegrin diving beetle fauna and its ecological characteristics is discussed.

  17. Chromosomal analysis of some Egyptian diving beetles (Coleoptera ...

    African Journals Online (AJOL)

    Chromosomal analysis of some Egyptian diving beetles (Coleoptera: Dytiscidae). Rowaida Saleh Ahmed”, Robert B Angusz, Samy Zalatl and Fatma Shaarawi3. 1. Department of Zoology, Faculty of Science, Suez Canal University, lsmailia, Egypt. 2. Division of Biology, Royal Holloway, University of London, Egham, Surrey, ...

  18. Fauna de coleópteros aquáticos (insect: coleoptera na Amazônia central, Brasil Aquatic Beetlefauna (insecta: coleoptera in Central Amazonia, Brazil

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    Cesar João Benetti

    2003-12-01

    Full Text Available Foram coletados 888 exemplares de Coleoptera aquáticos nos municípios de Manaus, Manacapuru e Presidente Figueiredo (AM, de fevereiro de 2000 a agosto de 2002, distribuídos em 12 famílias, 50 gêneros e 88 espécies ou morfoespécies. Novas ocorrências para o Brasil, incluem as seguintes espécies de Dytiscidae: Hydrodessus robinae, H. surinamensis, Hypodessus frustrator, Neobidessus confusus, N. spangleri e N. woodruffi. Os gêneros Agaporomorphus (Dytiscidae e Pronoterus (Noteridae são registrados pela primeira vez para o estado do Amazonas, assim como as espécies: P. punctipennis e Suphisellus nigrinus (Noteridae; Agaporomorphus grandisinuatus, Bidessonotus tibialis, Derovatellus lentus,Desmopachria nitida, Hydaticus xanthomelas, Laccophilus tarsalis, Liodessus affinis e Megadytes laevigatus (Dytiscidae. A família Dytiscidae foi a que apresentou maior riqueza, com 34 espécies, seguida de Hydrophilidae, com 20 e Noteridae, com 12 espécies. Os gêneros com maior número de espécies foram Gyretes (Gyrinidae e Suphisellus (Noteridae com 6 espécies, Copelatus (Dytiscidae e Tropisternus (Hydrophilidae, com 5 espécies.In this work, 888 specimens of aquatic Coleoptera were collected in Manaus, Manacapuru and Presidente Figueiredo counties (AM, distributed in 12 families, 50 genera and 88 species or morphospecies. New occurrences in Brasil include the following species of Dytiscidae: Hydrodessus robinae, H. surinamensis, Hypodessus frustrator, Neobidessus confusus, N. spangleri and N. woodruffi. The genera Agaporomorphus (Dytiscidae and Pronoterus (Noteridae were reported for the first time in the State of Amazonas, as well as the species P. punctipennis and Suphisellus nigrinus (Noteridae; Agaporomorphus grandisinuatus, Bidessonotus tibialis, Derovatellus lentus,Desmopachria nitida, Hydaticus xanthomelas, Laccophilus tarsalis, Liodessus affinis and Megadytes laevigatus (Dytiscidae. The family Dytiscidae presented the highest richness

  19. Nuevas citas de Coleoptera acuáticos y Megaloptera para la provincia de Chubut (Argentina New records of aquatic Coleoptera and Megaloptera from Chubut province (Argentina

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    Miguel Archangelsky

    2004-12-01

    Full Text Available Se informa acerca de nuevos hallazgos de coleópteros acuáticos, de Dytiscidae, Gyrinidae, Hydrophilidae y Elmidae para la provincia de Chubut (Argentina. También se cita por primera vez a las Sialidae (Megaloptera, género Protosialis Weele, para la República Argentina.New records of aquatic Coleoptera, in the families Dytiscidae, Gyrinidae, Hydrophilidae and Elmidae, are reported for the Chubut province (Argentina. The Sialidae (Megaloptera, genus Protosialis Weele, is reported for the first time in Argentina.

  20. A chromosomal analysis of some water beetle species recently transferred from Agabus Leach to Ilybius Erichson, with particular reference to the variation in chromosome number shown by I. montanus Stephens (Coleoptera: Dytiscidae).

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    Aradottir, G I; Angus, R B

    2004-01-01

    The karyotypes of seven Ilybius species are described and illustrated. All except I. wasastjernae have a basic karyotype of 34 autosomes plus sex chromosomes which are X0 ( male symbol ), XX ( female symbol ), with the X chromosome among the largest in the nucleus. This karyotype appears to be the norm for Ilybius and supports the transfer of the species concerned from Agabus to Ilybius. I. wasastjernae has 36 autosomes and the X chromosome is the smallest in the nucleus and its karyotype is unlike any other known karyotype in either Ilybius or Agabus. In most of the species studied no intraspecific variation has been detected. Exceptions are I. chalconatus, where there is one inversion polymorphism in one of the autosomes, and I. montanus whose autosome number has been found to vary from 29 to 34. Such variation is highly unusual among Coleoptera. The variation results from fusion-fission polymorphisms involving three different pairs of autosomes. In each case the fusions may be homozygous, heterozygous or absent. All populations investigated were polymorphic for some of the fusions, but only one (La Salceda, Spain) included individuals lacking all fusions. The frequencies of fused and unfused chromosomes were analysed in three English populations. In only one case was there a departure from the values expected from the Hardy-Weinberg equilibrium, and this population also showed a significant difference from the other two. Meiosis in males heterozygous for fusions involves the production of trivalents in first division, but results in the production of abundant sperm, with no evidence of chromosomal abnormalities in second metaphase, or of degenerating cells as a result of failed meiosis. The three fusions sites are consistent in all the populations studied, and it is concluded that these fusions represent unique historical events rather than current chromosomal instability.

  1. Taxonomic revision of Afrotropical Laccophilus Leach, 1815 (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Biström, Olof; Nilsson, Anders N; Bergsten, Johannes

    2015-01-01

    The African species of the genus Laccophilus Leach, 1815, are revised, on the basis of study of adult specimens. In all, 105 species are now recognized. A phenetic character-analysis was undertaken, which resulted in a split of the genus into 17 species groups. Diagnoses and a description of each species are given together with keys for identification of species groups and species. We also provide habitus photos, illustration of male genitalia and distribution maps for all species. New species are described as follows: Laccophilus grossus sp. n. (Angola, Namibia), Laccophilus rocchii sp. n. (Tanzania, Namibia, Botswana, Mozambique), Laccophilus ferrugo sp. n. (Mozambique), Laccophilus furthi sp. n. (Madagascar), Laccophilus isamberti sp. n. (Madagascar), Laccophilus inobservatus sp. n. (Gambia, Senegal, Mali, Niger, Sudan, Chad, Ethiopia, Burkina Faso, Ivory Coast, Ghana, Nigeria, Cameroon, Zaire and Asia: Yemen), Laccophilus cryptos sp. n. (Zaire, Mozambique, Zimbabwe, Namibia, Botswana, South Africa), Laccophilus enigmaticus sp. n. (Nigeria, Sudan), Laccophilus bellus sp. n. (Benin, Nigeria), Laccophilus guentheri sp. n. (Guinea, Ghana), Laccophilus guineensis sp. n. (Guinea), Laccophilus decorosus sp. n. (Uganda), Laccophilus empheres sp. n. (Kenya), Laccophilus inconstans sp. n. (Guinea, Ivory Coast, Ghana, Nigeria, Cameroon), Laccophilus brancuccii sp. n. (Central African Republic), Laccophilus incomptus sp. n. (Cameroon), Laccophilus australis sp. n. (Tanzania, South Africa), Laccophilus minimus sp. n. (Namibia), Laccophilus eboris sp. n. (Ivory Coast), Laccophilus insularum sp. n. (Madagascar), Laccophilus occidentalis sp. n. (Gambia, Senegal, Mali, Guinea, Sierra Leone, Ivory Coast, Ghana, Benin, Nigeria, Central African Republic, Zaire) and Laccophilus transversovittatus sp. n. (Madagascar). Laccophilus restrictus Sharp, 1882, is restored as good species; not junior synonym of Laccophilus pictipennis Sharp, 1882. New synonyms are established as follows: Laccophilus continentalis Gschwendtner, 1935 = Laccophilus perplexus Omer-Cooper, 1970, syn. n., Laccophilus taeniolatus Régimbart, 1889 = Laccophilus congener Omer-Cooper, 1957, syn. n., Laccophilus adspersus Boheman, 1848 = Laccophilus vitshumbii Guignot, 1959, syn. n. = Laccophilus adspersus nigeriensis Omer-Cooper, 1970, syn. n. = Laccophilus adspersus sudanensis Omer-Cooper, 1970, syn. n., Laccophilus modestus Régimbart, 1895 = Laccophilus espanyoli Hernando, 1990, syn. n., Laccophilus flaveolus Régimbart, 1906 = Laccophilus pampinatus Guignot, 1941, syn. n., Laccophilus trilineola Régimbart, 1889 = Laccophilus simulator Omer-Cooper, 1958, syn. n., Laccophilus mediocris Guignot, 1952 = Laccophilus meii Rocchi, 2000, syn. n., Laccophilus epinephes Guignot, 1955 = Laccophilus castaneus Guignot, 1956, syn. n., Laccophilus saegeri Guignot, 1958 = Laccophilus comoensis Pederzani & Reintjes, 2002, syn. n., Laccophilus restrictus Sharp, 1882 = Laccophilus evanescens Régimbart, 1895, syn. n., Laccophilus incrassatus Gschwendtner, 1933 = Laccophilus virgatus Guignot, 1953, syn. n., Laccophilus cyclopis Sharp, 1882 = Laccophilus shephardi Omer-Cooper, 1965, syn. n., Laccophilus burgeoni Gschwendtner, 1930 = Laccophilus wittei Guignot, 1952, syn. n., Laccophilus secundus Régimbart, 1895 = Laccophilus torquatus Guignot, 1956, syn. n., Laccophilus desintegratus Régimbart, 1895 = Laccophilus sanguinosus Régimbart, 1895, syn. n. and Laccophilus flavopictus Régimbart, 1889 = Laccophilus bergeri Guignot, 1953, syn. n. = Laccophilus segmentatus Omer-Cooper, 1957, syn. n. Lectotypes are designated for the following taxa: Laccophilus productus Régimbart, 1906, Laccophilus ruficollis Zimmermann, 1919, Laccophilus sordidus Sharp, 1882, Laccophilus alluaudi Régimbart, 1899, Laccophilus pictipennis Sharp, 1882, Laccophilus wehnckei Sharp, 1882, Laccophilus continentalis Gschwendtner, 1935, Laccophilus simplicistriatus Gschwendtner, 1932, Laccophilus complicatus Sharp, 1882, Laccophilus rivulosus Klug, 1833, Laccophilus ampliatus Régimbart, 1895, Laccophilus pilitarsis Régimbart, 1906, Laccophilus adspersus Boheman, 1848, Laccophilus livens Régimbart, 1895, Laccophilus modestus Régimbart, 1895, Laccophilus nodieri Régimbart, 1895, Laccophilus flaveolus Régimbart, 1906, Laccophilus pallescens Régimbart, 1903, Laccophilus restrictus Sharp, 1882, Laccophilus vermiculosus Gerstaecker, 1867, Laccophilus mocquerysi Régimbart, 1895, Laccophilus bizonatus Régimbart, 1895, Laccophilus tschoffeni Régimbart, 1895, Laccophilus persimilis Régimbart, 1895, Laccophilus poecilus Klug, 1834, Laccophilus lateralis Sharp, 1882, Laccophilus lateralis var. polygrammus Régimbart, 1903, Laccophilus cyclopis Sharp, 1882, Laccophilus shephardi Omer-Cooper, 1965, Laccophilus conjunctus Guignot, 1950, Laccophilus grammicus Sharp, 1882, Laccophilus flavoscriptus Régimbart, 1895, Laccophilus flavosignatus Régimbart, 1895, Laccophilus brevicollis Sharp, 1882, Laccophilus secundus Régimbart, Laccophilus desintegratus Régimbart, 1895, Laccophilus gutticollis Régimbart, 1895, Laccophilus luctuosus Sharp, 1882 and Laccophilus inornatus Zimmermann, 1926. Laccophilus remex Guignot, 1952, comprises a species complex with uncertain taxonomic delimitation; the complex includes Laccophilus concisus Guignot, 1953, Laccophilus turneri Omer-Cooper, 1957 and Laccophilus praeteritus Omer-Cooper, 1957, as tentative synonyms of Laccophilus remex Guignot, 1952.

  2. Coleoptera species inhabiting prairie wetlands of the Cottonwood Lake Area, Stutsman County, North Dakota

    Science.gov (United States)

    Hanson, B.A.; Swanson, G.A.

    1989-01-01

    The aquatic Coleoptera of a prairie wetland complex in Stutsman County, North Dakota, were collected from April 1979 to November 1980. Identification of 2594 individuals confirmed 57 species, including seven new records for North Dakota. Two seasonally flooded and two semipermanent wetlands, totaling 7.43 ha, contained 53% of the Dytiscidae, 43% of the Haliplidae, 38% of the Hydrophilidae, and 22% of the Gyrinidae species previously identified from North Dakota. Although 49.1% of the Coleoptera species occurred in both types of wetlands, the occurrence of 29 species varied by wetland class.

  3. Aquatic Coleoptera assemblages in protected wetlands of North-western Spain

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    Amaia Pérez-Bilbao

    2014-02-01

    Full Text Available Wetlands are diverse and productive ecosystems endangered by human pressure, which degradation implies a biodiversity loss worldwide. Among the biological assemblages of these habitats, aquatic Coleoptera is one of the most diverse and useful groups when assessing the ecological conditions of the ecosystems they inhabit. The aims of the present study were to analyze the diversity and composition of aquatic Coleoptera assemblages in 24 wetlands protected by the Natura 2000 network of North-western Spain and the influence of environmental variables on the distribution of species, in order to detect differences between the different types of standing water habitats. A total of 11,136 individuals of 105 species belonging to 12 families of aquatic Coleoptera (Gyrinidae, Haliplidae, Noteridae, Paelobiidae, Dytiscidae, Helophoridae, Hydrochidae, Hydrophilidae, Hydraenidae, Scirtidae, Elmidae and Dryopidae were collected. In general, wetlands presented high richness and diversity values, Dytiscidae and Hydrophilidae having the highest species richness. Most of recorded species have a wide biogeographical distribution and only 12 endemic ones were captured. Cluster and Non-Metric Multi-Dimensional Scaling (NMDS analyses showed the clustering of the studied ponds and lagoons in four groups based on biological data. In general, the wetlands of each group seem to have distinct aquatic Coleoptera faunas, as showed by the most representative species. A combination of altitude, SST and hydroperiod was the best explaining factor of the distribution of the species throughout the study area. This study shows the high biodiversity of standing water habitats in North-western Spain and the usefulness of water beetles in establishing habitat typologies.

  4. Los coleópteros y heterópteros acuáticos del Parque Nacional Calilegua (Provincia de Jujuy, Argentina Aquatic Coleoptera and Heteroptera from Calilegua National Park (Jujuy Province, Argentina

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    Patricia L. M. Torres

    2008-06-01

    Full Text Available Se expone una lista de las especies de Coleoptera y Heteroptera presentes en los cuerpos de agua del Parque Nacional Calilegua. Se registraron 51 especies de Coleoptera incluidas en 28 géneros y cinco familias, y 37 especies de Heteroptera distribuidas en 22 géneros y 10 familias; sólo cuatro especies de Coleoptera y cinco de Heteroptera fueron citadas previamente del parque. Se mencionan por primera vez para la Argentina dos especies de Veliidae (Heteroptera: Rhagovelia trista Gould y Platyvelia brachialis (Stål, así como una especie y un género de Dytiscidae (Coleoptera: Desmopachria chei K. B. Miller y Bidessonotus Régimbart. Además, es la primera ocasión en que se mencionan para la provincia de Jujuy 24 especies y 11 géneros de Coleoptera (Leuronectes Sharp, Bidessonotus, Hypodessus Guignot, Desmopachria Babington, Celina Aubé, Gyrinus Linné, Haliplus Latreille, Hydrocanthus Say, Suphis Aubé, Anacaena Thomson, Derallus Sharp y 19 especies y 12 géneros de Heteroptera (Mesovelia Mulsant & Rey, Hebrus Curtis, Merragata White, Microvelia Westwood, Rhagovelia Mayr, Platyvelia J. T. Polhemus & D. A. Polhemus, Limnogonus Stål, Curicta Stål, Ranatra Fabricius, Centrocorisa Lundblad, Pelocoris Stål, Neoplea Esaki & China.A list of the species of aquatic Coleoptera and Heteroptera occurring in Calilegua National Park is presented. Fifty-one species of Coleoptera included in 28 genera and five families, and 37 species of Heteroptera belonging to 22 genera and 10 families were recorded. Only four species of Coleoptera and five of Heteroptera had been previously cited from the park. Two species of Veliidae (Heteroptera (Rhagovelia trista Gould, Platyvelia brachialis (Stål, along with one species and one genus of Dytiscidae (Coleoptera (Desmopachria chei K. B. Miller, Bidessonotus Régimbart are new records for Argentina. Twenty-four species and 11 genera of Coleoptera (Leuronectes Sharp, Bidessonotus, Hypodessus Guignot, Desmopachria

  5. Rhantus fengi sp. n. from Xizang, China, and notes on Laccoporus nigritulus (Gschwendtner (Coleoptera, Dytiscidae

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    Shuang Zhao

    2011-05-01

    Full Text Available Rhantus fengi sp. n. from Mount Sejila, Xizang, China is described and illustrated. Laccoporus nigritulus (Gschwendtner, 1936 is redescribed and illustrated; Laccoporus viator Balfour-Browne, 1939, syn. n. is established as its junior subjective synonym.

  6. Two new species of Hydrodessus from Suriname, with a key to the known species (Coleoptera: Dytiscidae)

    NARCIS (Netherlands)

    Young, Frank N.

    1970-01-01

    The genus Hydrodessus is readily distinguished, from the other small water beetles related to the Old World Bidessus, by the lack of pronotal or elytral plicae, by the structure of the hind coxal processes, and by the simple, unjointed parameres of the male genitalia (Balfour-Browne, 1953). The

  7. Description of the larvae of Hydroporus ferrugineus Stephens and H-polaris fall (Coleoptera: Adephaga: Dytiscidae)

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    Alarie, Y.; Wood, P.J.; Bruyn, de A.M.H.; Cuppen, J.G.M.

    2001-01-01

    Description of structures of the larvae of Hydroporus ferrugineus Stephens and H. polaris Fall is provided including detailed chaetotaxal and porotaxal analyses. Larvae of H. ferrugineus are distinguished from all other species of Hydroporus Clairville by the presence of 1–2 secondary setae on

  8. Feeding Preferences of the Endangered Diving Beetle Cybister tripunctatus orientalis Gschwendtner (Coleoptera: Dytiscidae

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    Shin-ya Ohba

    2012-01-01

    Full Text Available The numbers of Cybister tripunctatus orientalis Gschwendtner diving beetles are declining in most regions of Japan, and it is included in the Red Data List of species in 34 of 47 prefectures of Japan. However, basic ecological information about C. tripunctatus orientalis, such as its feeding habits, remains unknown. In order to elucidate the feeding habits of C. tripunctatus orientalis larvae, feeding preference experiments were carried out in 2nd and 3rd instar larvae. The number of Odonata nymphs consumed was significantly higher than the number of tadpoles consumed, indicating that C. tripunctatus orientalis larvae prefer Odonata nymphs to tadpoles. In addition, all the first instar larvae of C. tripunctatus orientalis developed into second instars when they were supplied with motionless Odonata nymphs, but their survival rate was lower when they were supplied with motionless tadpoles. These results suggest that C. tripunctatus orientalis larvae prefer insects to vertebrates.

  9. Further karyosystematic investigation of the Stictotarsus griseostriatus (De Geer) group of sibling species (Coleoptera: Dytiscidae)

    OpenAIRE

    Angus, Robert

    2008-01-01

    Karyological analysis has been carried out on Stictotarsus griseostriatus strandi (Brinck, 1943) from the Varangerfjord, Norway, S. griseostriatus (De Geer, 1774) from near Inari in Finnish Lapland, S. multilineatus (Falkenström, 1922) from Northern Ireland and S. macedonicus (Georgiev, 1959) from the Šar Planina Mountains of Macedonia. The karyotype of S. griseostriatus strandi is shown to be identical with that of typical S. griseostriatus from the Swedish Baltic coast, and material from Fi...

  10. Hydroporus golestanensis, a new species of the H. longulus group from northern Iran (Coleoptera: Dytiscidae: Hydroporinae).

    Science.gov (United States)

    Hájek, Jiří

    2016-02-03

    Hydroporus golestanensis sp. nov. from Golestan Province, Iran, is described and illustrated. Based on the distinctly sinuate posterior margin of the metacoxal processes, the new species belongs to the H. longulus species group. Hydroporus golestanensis sp. nov. can be recognised from all the other species in the group by the pitchy-brown colouration of the elytra and by the almost symmetrical male median lobe, with distal third evenly tapering to a pointed apex in ventral view.

  11. Description of Laccomimus gen. n. and eleven new species from the Neotropical region (Coleoptera, Dytiscidae, Laccophilinae).

    Science.gov (United States)

    Toledo, Mario; Michat, Mariano C

    2015-07-27

    A new genus of laccophiline diving beetles, Laccomimus gen. n., is here described on the basis of a large number of specimens from various collections formerly misidentified as members of the Neotropical genus Laccodytes Régimbart, 1895. Except for similar size, however, the new genus is not closely related to Laccodytes. Instead, it seems to be sister to the Oriental genus Laccosternus Brancucci, 1983, both sharing a similar body size and shape, characters of the female genital structures, and shape of the prosternal process. Twelve species are recognised within Laccomimus, all new to science except Laccomimus pumilio (LeConte, 1878) comb. n., the type species. The new species are: Laccomimus alvarengi sp. n., L. amazonas sp. n., L. bolivari sp. n., L. bordoni sp. n., L. distinctus sp. n., L. improvidus sp. n., L. malkini sp. n., L. spangleri sp. n., L. spinosus sp. n., L. variegatus sp. n., L. youngi sp. n. The distribution of the new genus includes most of the Neotropics, with one species, L. pumilio, reaching Florida, USA. Each taxon is described and illustrated and a key for their identification is provided. Laccomimus is a widespread and relatively common genus in tropical America, the species of which have a wide distributional range, except for a few confined to more restricted areas. In spite of this, Laccomimus is a very uniform genus in body shape, size and colouration, and in most cases identification of the species is possible only after examination of the male genitalia. A key to distinguish genera of the tribe Laccophilini is also presented.

  12. Ontogenetic dietary shift in the larvae of Cybister japonicus (Coleoptera: Dytiscidae) in Japanese rice fields.

    Science.gov (United States)

    Ohba, Shin-Ya

    2009-06-01

    A number of fragmentary reports suggest that the endangered diving beetle Cybister japonicus larvae feed on tadpoles, fish, and aquatic insects. However, no quantitative study on the feeding habits of C. japonicus larvae has been reported. In this study, field observations and rearing experiments were carried out to show the feeding ecology of C. japonicus larvae. Unlike previous commentaries, the first- and second-instar larvae of C. japonicus preyed on insects, mainly Odonata nymphs and Notonecta triguttata, irrespective of prey availability, but did not eat vertebrates such as tadpoles and fish in the field. On the contrary, the third-instar larvae fed on both insects and vertebrates. Rearing experiments showed that the number of Odonata nymphs consumed was significantly more than the number of tadpoles consumed by the first and second instars but third-instar larvae ate both the Odonata nymphs and tadpoles in the tadpole-Odonata nymph mixture experiment. The total body lengths of C. japonicus new adults in the Odonata nymph and tadpole-Odonata nymph mixture treatments were statistically equal. These results suggested that the first- and second-instar larvae of C. japonicus prey mainly on insects and do not eat vertebrate animals (insectivore), whereas the third-instar larvae fed on both insects and vertebrates (generalist).

  13. Substitution of some species-level names in the tribe Hygrotini Portevin, 1929 (Coleoptera: Dytiscidae: Hydroporinae).

    Science.gov (United States)

    Fery, Hans

    2017-11-01

    Recently, Villastrigo et al. (2017b) published a new classification of the species of the tribe Hygrotini (subfamily Hydroporinae) based on a thorough phylogenetic investigation using molecular as well as morphological data (Villastrigo et al. 2017a).

  14. Novadessus viracocha, a new genus and species of Bidessini Sharp from Peru (Coleoptera, Adephaga, Dytiscidae, Hydroporinae

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    Kelly Miller

    2016-10-01

    Full Text Available Novadessus viracocha gen. n. and sp. n. is described from Peru. The genus distinctly is characterized by having the following combination: (1 a transverse occipital line absent on the head; (2 the anterior clypeal margin not modified; (3 a pair of basal pronotal striae present; (4 the basal elytral stria absent; (5 the elytral sutural stria absent; (6 the elytron without longitudinal carinae; (7 the epipleuron without a transverse carina at the humeral angle; (8 the lateral lobes of the male aedeagus two-segmented; (9 the overall habitus elongate and oval, with lateral pronotal and elytral margins discontinuous; (10 without distinct denticles along the posterior margins of the abdominal sternites; (11 the male genitalia (both median lobe and lateral lobes bilaterally symmetrical; and (12 the metatrochanter small relative to the metafemur, approximately 0.6 × the length of the metafemur. The genus is diagnostically similar to Fontidessus Miller and Spangler and Neobidessodes Hendrich and Balke, but is superficially more similar to Liodessus Guignot. The habitus and male genitalia are illustrated, and a distribution map is provided.

  15. The Lacconectus Motschulsky of Hainan, China, with description of a new species (Coleoptera: Dytiscidae: Copelatinae).

    Science.gov (United States)

    Hájek, Jiří; Zhao, Shuang; Jia, Fenglong

    2013-01-01

    Lacconectus brancuccii sp. nov. from Hainan Island, China, is described and illustrated. The new species belongs to the L. fulvescens species group and can be recognised based on the broader, poorly delimited pale basal markings on the elytra, but predominantly based on the characteristic shape of the median lobe of the aedeagus, which in lateral view is slightly narrowed subapically, then broadened to a rounded apex. Previous records from Hainan attributed to L. formosanus (Kamiya, 1938) are found to refer to L. maoyangensis Brancucci, 2003. Additional records of two further species endemic to Hainan, L. hainanensis Hendrich, 1998 and L. maoyangensis, are presented and their habitus are figured.

  16. A review of the Canthyporus exilis group, with the description of two new species (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Bilton, David T

    2015-05-18

    Canthyporus namaqualacrimus sp. nov. and Canthyporus pallidus sp. nov. are described from the Namaqualand region of South Africa, both members of the exilis group. A revised key to species of the group is provided, together with details of the external and spermathecal tract morphology of the female of Canthyporus aenigmaticus Biström & Nilsson, 2006, a species previously known only from the male holotype. The opportunity is also taken to present new ecological and distributional data on members of the exilis group, most of which are primarily associated with springs and seepage habitats.

  17. Spectral sensitivity of the principal eyes of sunburst diving beetle, Thermonectus marmoratus (Coleoptera: Dytiscidae), larvae.

    Science.gov (United States)

    Maksimovic, Srdjan; Layne, John E; Buschbeck, Elke K

    2011-11-01

    The principal eyes of sunburst diving beetle, Thermonectus marmoratus, larvae are among the most unusual eyes in the animal kingdom. They are composed of long tubes connecting bifocal lenses with two retinas: a distal retina situated a few hundred micrometers behind the lens, and a proximal retina that is situated directly beneath. A recent molecular study on first instar larvae suggests that the distal retina expresses a long-wavelength-sensitive opsin (TmLW), whereas the proximal retina predominantly expresses an ultraviolet-sensitive opsin (TmUV II). Using cloning and in situ hybridization we here confirm that this opsin distribution is, for the most part, maintained in third instar larvae (with the exception of the TmUV I that is weakly expressed only in proximal retinas of first instar larvae). We furthermore use intracellular electrophysiological recordings and neurobiotin injections to determine the spectral sensitivity of individual photoreceptor cells. We find that photoreceptors of the proximal retina have a sensitivity curve that peaks at 374-375 nm. The shape of the curve is consistent with the predicted absorbance of a single-opsin template. The spectral response of photoreceptors from the distal retina confirms their maximum sensitivity to green light with the dominant λ-peak between 520 and 540 nm, and the secondary β-peak between 340 and 360 nm. These physiological measurements support molecular predictions and represent important steps towards understanding the functional organization of the unusual stemmata of T. marmoratus larvae.

  18. Description of a new Tiporus Watts, 1985 from northern Queensland, Australia (Coleoptera: Dytiscidae, Hydroporinae).

    Science.gov (United States)

    Hendrich, Lars; Balke, Michael; Watts, Chris H S

    2016-11-09

    Tiporus queenslandicus sp. n. is described from NE Queensland. The new species is similar to T. undecimmaculatus (Clark, 1862) and T. giuliani (Watts, 1978) from the Northern Territory and north-western Australia but well characterized by its larger size, more elongate habitus, and form of median lobe and parameres. Tiporus queenslandicus sp. n. is a lotic species being collected from rest pools of intermittent creeks and rivers with a sandy bottom. Important species-defining characters (habitus, median lobe, paramere, protibia of male) are illustrated. Together with T. queenslandicus sp. n. the genus comprises now 13 species.

  19. Agaporomorphus sharynae, a new species of diving beetle (Coleoptera: Dytiscidae: Copelatinae) from Venezuela.

    Science.gov (United States)

    Miller, Kelly B

    2014-04-16

    Agaporomorphus sharynae sp. n. is described from Amazonas, Venezuela. Agaporomorphus Zimmermann, 1921 now includes nine known species. The new species is part of the A. knishi species group since it has similarly convoluted male genitalia with rows of setae on the dorsal surface. Males can be separated from those of other members of the genus by the structure of the abdominal ventrites, shape of the antennae, and shape of the male median lobe. The cladistic analysis of K.B. Miller & Wheeler (2008) is modified to include the new species. The habitus and male and female genitalia are illustrated, and male genitalia of other species of the A. knishi species group are illustrated for comparison.

  20. Vatellini Sharp (Coleoptera, Dytiscidae) from Brazil: two new species, new records, and a checklist.

    Science.gov (United States)

    Braga, Rafael Benzi; Ferreira-Jr, Nelson

    2016-05-12

    The tribe Vatellini Sharp, 1882 is composed of 55 species divided in two genera. Even though a recent revision of the tribe was made, Vatellini of the new world are weakly explored with great gaps in the distributions of species. In Brazil the knowledge is based only on a few localities. In this work two new species are described and illustrated, Vatellus caissara sp. nov. and Vatellus yanomami sp. nov.; new records are given for Brazil: Vatellus maculosus Miller, 2005 in the state of Mato Grosso, Derovatellus lentus (Wehncke, 1876) in Amazonas, Pará and Rio de Janeiro, Vatellus lateralis (Sharp, 1882) in Alagoas, Ceará, Espírito Santo, Pará, Pernambuco and Rio Grande do Sul, Vatellus sahlbergi (Sharp, 1882) in Rio de Janeiro, and Vatellus tarsatus (Laporte, 1835) in Pará. A checklist with all species of Vatellini occurring in Brazil is provided and steps for identification of the new species are added in the key of Miller (2005).

  1. A third karyosystematic investigation of the Stictotarsus griseostriatus (De Geer group of sibling species (Coleoptera: Dytiscidae

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    Robert Angus

    2010-07-01

    Full Text Available Karyological analysis has been carried out on Stictotarsus griseostriatus (De Geer, 1774 from Tjøme in southern Norway, one of the type localities of Deronectes maritimus Helliesen, 1890, as well as from the Canton of Valais in the Swiss Alps and Bavaria in the German Alps. True S. griseostriatus is shown to occur over much of the central Alps, and the synonymy of S. griseostriatus var. nigrescens Favre, 1890 is confirmed.  Analysis of Corsican material shows that the species inhabiting the island is S. ibericus Dutton et Angus, 2007. The known distributions of the S. griseostriatus group species occurring in the Alps and on Corsica are given, and Pleistocene fossil material from Starunia in the Ukrainian Carpathians is figured and discussed. A syntype of Potamodytes multilineatus Falkenström, 1922, in Helliesen’s collection in Oslo, is noted and a neotype designated for Deronectes maritimus Helliesen, 1890 as the original material on which the description was based cannot be found.

  2. A karyosystematic analysis of some water beetles related to Deronectes Sharp (Coleoptera, Dytiscidae

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    Robert Angus

    2011-08-01

    Full Text Available An account is given of the karyotypes of five species and one additional subspecies of Deronectes Sharp, 1882, three species of Stictotarsus Zimmermann, 1919, one species of Trichonectes Guignot, 1941, four species of Scarodytes Gozis, 1914 and 17 species of Nebrioporus Régimbart, 1906. Deronectes species are characterised by a neo-Xy system of sex chromosomes and autosome numbers ranging from 60 (D. ferrugineus Fery et Brancucci, 1987 and D. wewalkai Fery et Fresneda, 1988 through 48 (D. latus (Stephens, 1829, D. angusi Fery et Brancucci, 1990 to 28 (D. costipennis Brancucci, 1983, D. costipennis gignouxi Fery et Brancucci, 1989 and D. platynotus (Germar, 1834. The three species of Stictotarsus, S. duodecimpustulatus (Fabricius, 1792, S. procerus (Aubé, 1838 and S. bertrandi (Legros, 1956, all belonging to the S. duodecimpustulatus group of species, have karyotypes comprising 54 autosomes and neo-Xy sex chromosomes. Trichonectes otini Guignot, 1941 has 48 autosomes and an X0 system of sex chromosomes, an arrangement shared with the 17 species of Nebrioporus Régimbart. The four Scarodytes species, S. halensis (Fabricius, 1787, S. nigriventris (Zimmermann, 1919, S. fuscitarsis (Aubé, 1838 and S. malickyi Wewalka, 1997, all have 54 autosomes and X0 sex chromosomes. The karyotypes of the various species are found to be distinctive and to support separation of these species from one another. In two cases (Nebrioporus martinii (Fairmaire, 1858 and N. sardus (Gemminger et Harold, 1868, and Scarodytes halensis and S. fuscitarsis the karyotypes require the recognition of the taxa as full species, not subspecies. The implications of these data for the generic classification are considered. The data are found to be compatible with the DNA-based phylogeny proposed by Ribera (2003, where the enlarged Stictotarsus proposed by Nilsson and Angus (1992 is found to be unsatisfactory.

  3. The inheritance of intrasexual dimorphism in female diving beetles (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Inoda, Toshio; Härdling, Roger; Kubota, Souichirou

    2012-08-01

    Many species of Dytiscus diving beetles exhibit intrasexual dimorphism, e.g., the elytra is smooth in some females and grooved in others. However, the expression of the grooves and whether they are a product of heredity or the environment remain unknown. One Japanese species, Dytiscus sharpi sharpi Wehncke, 1875 , also shows female dimorphism, with grooved and smooth morphs, while D. sharpi validus Régimbart, 1899, only has a single morph (the grooved type). A hybrid of the two species should therefore provide a means of sorting out how the grooves are inherited. We found two independent wetlands of D. sharpi sharpi in Chiba Prefecture, Japan. One was a place where a high proportion of grooved females lived, and the others had high proportions of smooth females. After five to eight generations of beetles from two populations with different proportions of grooved females were reared under aquarium conditions constituting a common garden design, i.e., water temperature, water depth, and presence of a plant for oviposition, the differences remained. We mated smooth virgin females of D. sharpi sharpi with males of D. sharpi validus to obtain hybrid offspring. The elytral traits of the hybrid females produced only grooved forms. These results suggested that the female dimorphism is determined by genetics, and that the grooved morph was dominant over the smooth one, independent of environmental factors. In addition, the hybrid insects did not differ from the two subspecies insects in larval survivorship, pupation success, or sex ratio. They also showed neither morphological abnormality nor reduced survival.

  4. De waterkever Yola bicarinata na meer dan honderd jaar weer aangetroffen in Nederland (Coleoptera: Dytiscidae)

    NARCIS (Netherlands)

    Verdonschot, R.C.M.; Dekkers, T.B.M.; Cuppen, J.G.M.

    2011-01-01

    In een macrofaunamonster afkomstig van een duinplas in de Zeepeduinen, Schouwen-Duiveland, werden twee exemplaren van de waterkever Yola bicarinata aangetroffen. Deze soort, waarvan het zwaartepunt van de verspreiding in het westelijk Middellandse Zeegebied ligt, is eerder slechts op twee

  5. The comparative biology of diving in two genera of European Dytiscidae (Coleoptera).

    Science.gov (United States)

    Calosi, P; Bilton, D T; Spicer, J I; Verberk, W C E P; Atfield, A; Garland, T

    2012-02-01

    Surfacing behaviour is fundamental in the ecology of aquatic air-breathing organisms; however, it is only in vertebrates that the evolutionary ecology of diving has been well characterized. Here, we explore the diving behaviour of dytiscid beetles, a key group of surface-exchanging freshwater invertebrates, by comparing the dive responses of 25 taxa (Deronectes and Ilybius spp.) acclimated at two temperatures. The allometric slopes of dive responses in these dytiscids appear similar to those of vertebrate ectotherms, supporting the notion that metabolic mode shapes the evolution of diving performance. In both genera, beetles spend more time submerged than on the surface, and surface time does not vary with the temperature of acclimation. However, presumably in order to meet increased oxygen demand at higher temperatures, Deronectes species increase surfacing frequency, whereas Ilybius species decrease dive time, an example of 'multiple solutions.' Finally, widespread northern species appear to possess higher diving performances than their geographically restricted southern relatives, something which may have contributed to their range expansion ability. © 2011 The Authors. Journal of Evolutionary Biology © 2011 European Society For Evolutionary Biology.

  6. Generic reclassification of species formerly included in Rhantus Dejean (Coleoptera, Dytiscidae, Colymbetinae).

    Science.gov (United States)

    Balke, Michael; Hájek, Jiří; Hendrich, Lars

    2017-04-26

    A reclassification of several species traditionally included in Rhantus Dejean, 1833 is given: Nartus Zaitzev, 1907 is re-instated as genus with one species in the Nearctic and one in the Palaearctic region; two new genera are erected: Meri-diorhantus n. gen., with M. antarcticus (Germain, 1854) n. comb., M. calidus (Fabricius, 1792) n. comb., M. limbatus (Aubé, 1838) n. comb., M. orbignyi (Balke, 1992) n. comb., M. validus (Sharp, 1882) n. comb. in the Neotropical region (M. calidus also in the southern USA and along the eastern coast as far north as New York City), and the monotypic Caperhantus n. gen., with C. cicurius (Fabricius, 1787) n. comb. in south Africa. Furthermore, nine Pacific and Australian Rhantus are transferred to the genus Carabdytes Balke, Hendrich & Wewalka, 1992: C. alutaceus (Fauvel, 1883) n. comb., C. guadalcanalensis (Balke, 1998) n. comb., C. monteithi (Balke, Wewalka, Alarie & Ribera, 2007) n. comb., C. novaecaledoniae (J. Balfour-Browne, 1944) n. comb., C. oceanicus (Balke, 1993b) n. comb., C. pacificus (Boisduval, 1835) n. comb., C. plantaris (Sharp, 1882) n. comb., C. poellerbauerae (Balke, Wewalka, Alarie & Ribera, 2007) n. comb. and C. pseudopacificus Balke, 1993b) n. comb. All changes are based on a previous comprehensive molecular phylogenetic analysis of Colymbetinae. Diagnostic characters are given for all genera mentioned above and each of them is illustrated with one or more habitus pictures. An updated key to all genera of Colymbetinae is also given.

  7. Two new species of the genus Platambus Thomson, 1859 from China (Coleoptera: Dytiscidae, Agabinae).

    Science.gov (United States)

    Hendrich, Lars; Przewoźny, Marek

    2015-04-15

    One new species of the genus Platambus Thomson, 1859 from Ganzi Tibetan Autonomous Prefecture, Sichuan Province (P. brancuccii sp. n.) and one from Chengdu, Sichuan Province (P. korgei sp. n.) are described. They belong to the Platambus semenowi-group sensu Nilsson (2000). Important species characters (median lobes and colour patterns) of the two new species are figured, and notes on their distribution are given. Altogether seven species of the semenowi-group are now known from higher mountain regions in Central Asia, northern India, Nepal, Bhutan, Pakistan and China. Six of them are illustrated with habitus photos and a modified key to all species of the semenowi-group is presented.

  8. Multiple origins of elytral reticulation modifications in the west palearctic Agabus bipustulatus complex (coleoptera, dytiscidae).

    Science.gov (United States)

    Drotz, Marcus K; Brodin, Tomas; Nilsson, Anders N

    2010-02-03

    The Agabus bipustulatus complex includes one of Europe's most widely distributed and common diving beetles. This complex, which is known for its large morphological variation, has a complex demographic and altitudinal variation in elytral reticulation. The various depth of the reticulation imprint, both in smaller and larger meshes, results in both mat and shiny individuals, as well as intermediate forms. The West Palearctic lowland is inhabited by a sexually dimorphic form, with shiny males and mat females. In mountain regions, shiny individuals of both sexes are found intermixed with mat individuals or in pure populations in central and southern areas, whereas pure populations of mat individuals are exclusively found in the northern region at high altitude. Sexual selection is proposed as a driving force in shaping this variation. However, the occurrence of different types of reticulation in both sexes and disjunct geographical distribution patterns suggest an additional function of the reticulation. Here we investigate the phylogeographical history, genetic structure and reticulation variation of several named forms within the Agabus bipustulatus complex including A. nevadensis. The molecular analyses recognised several well-supported clades within the complex. Several of the named forms had two or more independent origins. Few south European populations were uniform in reticulation patterns, and the males were found to display large variation. Reticulation diversity and population genetic variability were clearly correlated to altitude, but no genetic differences were detected among populations with mixed or homogenous forms. Observed reduction in secondary reticulation in female and increased variance in male at high altitude in South Europe may be explained by the occurrence of an additional selective force, beside sexual selection. The combined effect of these selective processes is here demonstrated in an extreme case to generate isolation barriers between populations at high altitudes. Here we discuss this selective force in relation to thermal selection.

  9. A new species of Agaporomorphus Zimmermann, 1921 from Peru (Coleoptera, Dytiscidae, Copelatinae

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    Lars Hendrich

    2015-07-01

    Full Text Available Agaporomorphus julianeae sp. n. is described from the Biological Field Station Panguana, in Huànuco province of central Peru. The new species belongs to the A. knischi-group sensu Miller 2005. Together with A. knischi Zimmermann, 1921 and A. colberti Miller & Wheeler, 2008 this is the third species of the genus with broadly enlarged male antennomeres. The new species can be separated from A. colberti and A. knischi by the smaller please expanded male antennomere VIII, and the form of the median lobe. Important species characters (median lobe, male antennae, metafemur, colour pattern of the new species and A. knischi are figured, and the habitat, a temporary blackwater forest pond, and its species rich water beetle coenosis are illustrated and described in detail. The Brazilian A. mecolobus Miller, 2001, only known from the type material from Sao Paulo, is here recorded for Minas Gerais. Habitus photos of four additional Agaporomorphus species and Hydrodytes opalinus (Zimmermann, 1921 are provided. Altogether ten species of Agaporomorphus are now known.

  10. A new species of Agaporomorphus Zimmermann, 1921 from Peru (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Hendrich, Lars; Apenborn, Rico; Burmeister, Ernst-Gerhard; Balke, Michael

    2015-01-01

    Agaporomorphusjulianeae sp. n. is described from the Biological Field Station Panguana, in Huànuco province of central Peru. The new species belongs to the Agaporomorphusknischi-group sensu Miller 2005. Together with Agaporomorphusknischi Zimmermann, 1921 and Agaporomorphuscolberti Miller & Wheeler, 2008 this is the third species of the genus with broadly enlarged male antennomeres. The new species can be separated from Agaporomorphuscolberti and Agaporomorphusknischi by the smaller please expanded male antennomere VIII, and the form of the median lobe. Important species characters (median lobe, male antennae, metafemur, colour pattern) of the new species and Agaporomorphusknischi are figured, and the habitat, a temporary blackwater forest pond, and its species rich water beetle coenosis are illustrated and described in detail. The Brazilian Agaporomorphusmecolobus Miller, 2001, only known from the type material from Sao Paulo, is here recorded for Minas Gerais. Habitus photos of four additional Agaporomorphus species and Hydrodytesopalinus (Zimmermann, 1921) are provided. Altogether ten species of Agaporomorphus are now known.

  11. Novadessus viracocha, a new genus and species of Bidessini Sharp from Peru (Coleoptera, Adephaga, Dytiscidae, Hydroporinae).

    Science.gov (United States)

    Miller, Kelly B

    2016-01-01

    Novadessus viracochagen. n. and sp. n. is described from Peru. The genus distinctly is characterized by having the following combination: (1) a transverse occipital line absent on the head; (2) the anterior clypeal margin not modified; (3) a pair of basal pronotal striae present; (4) the basal elytral stria absent; (5) the elytral sutural stria absent; (6) the elytron without longitudinal carinae; (7) the epipleuron without a transverse carina at the humeral angle; (8) the lateral lobes of the male aedeagus two-segmented; (9) the overall habitus elongate and oval, with lateral pronotal and elytral margins discontinuous; (10) without distinct denticles along the posterior margins of the abdominal sternites; (11) the male genitalia (both median lobe and lateral lobes) bilaterally symmetrical; and (12) the metatrochanter small relative to the metafemur, approximately 0.6 × the length of the metafemur. The genus is diagnostically similar to Fontidessus Miller and Spangler and Neobidessodes Hendrich and Balke, but is superficially more similar to Liodessus Guignot. The habitus and male genitalia are illustrated, and a distribution map is provided.

  12. Multiple origins of elytral reticulation modifications in the west palearctic Agabus bipustulatus complex (coleoptera, dytiscidae.

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    Marcus K Drotz

    Full Text Available The Agabus bipustulatus complex includes one of Europe's most widely distributed and common diving beetles. This complex, which is known for its large morphological variation, has a complex demographic and altitudinal variation in elytral reticulation. The various depth of the reticulation imprint, both in smaller and larger meshes, results in both mat and shiny individuals, as well as intermediate forms. The West Palearctic lowland is inhabited by a sexually dimorphic form, with shiny males and mat females. In mountain regions, shiny individuals of both sexes are found intermixed with mat individuals or in pure populations in central and southern areas, whereas pure populations of mat individuals are exclusively found in the northern region at high altitude. Sexual selection is proposed as a driving force in shaping this variation. However, the occurrence of different types of reticulation in both sexes and disjunct geographical distribution patterns suggest an additional function of the reticulation. Here we investigate the phylogeographical history, genetic structure and reticulation variation of several named forms within the Agabus bipustulatus complex including A. nevadensis. The molecular analyses recognised several well-supported clades within the complex. Several of the named forms had two or more independent origins. Few south European populations were uniform in reticulation patterns, and the males were found to display large variation. Reticulation diversity and population genetic variability were clearly correlated to altitude, but no genetic differences were detected among populations with mixed or homogenous forms. Observed reduction in secondary reticulation in female and increased variance in male at high altitude in South Europe may be explained by the occurrence of an additional selective force, beside sexual selection. The combined effect of these selective processes is here demonstrated in an extreme case to generate isolation barriers between populations at high altitudes. Here we discuss this selective force in relation to thermal selection.

  13. In or out-of-Madagascar?--Colonization patterns for large-bodied diving beetles (Coleoptera: Dytiscidae.

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    Rasa Bukontaite

    Full Text Available High species diversity and endemism within Madagascar is mainly the result of species radiations following colonization from nearby continents or islands. Most of the endemic taxa are thought to be descendants of a single or small number of colonizers that arrived from Africa sometime during the Cenozoic and gave rise to highly diverse groups. This pattern is largely based on vertebrates and a small number of invertebrate groups. Knowledge of the evolutionary history of aquatic beetles on Madagascar is lacking, even though this species-rich group is often a dominant part of invertebrate freshwater communities in both standing and running water. Here we focus on large bodied diving beetles of the tribes Hydaticini and Cybistrini. Our aims with this study were to answer the following questions 1 How many colonization events does the present Malagasy fauna originate from? 2 Did any colonization event lead to a species radiation? 3 Where did the colonizers come from--Africa or Asia--and has there been any out-of-Madagascar event? 4 When did these events occur and were they concentrated to any particular time interval? Our results suggest that neither in Hydaticini nor in Cybistrini was there a single case of two or more endemic species forming a monophyletic group. The biogeographical analysis indicated different colonization histories for the two tribes. Cybistrini required at least eight separate colonization events, including the non-endemic species, all comparatively recent except the only lotic (running water living Cybister operosus with an inferred colonization at 29 Ma. In Hydaticini the Madagascan endemics were spread out across the tree, often occupying basal positions in different species groups. The biogeographical analyses therefore postulated the very bold hypothesis of a Madagascan origin at a very deep basal node within Hydaticus and multiple out-of-Madagascar dispersal events. This hypothesis needs to be tested with equally intense taxon sampling of mainland Africa as for Madagascar.

  14. A karyosystematic analysis of some water beetles related to Deronectes Sharp (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Angus, R B; Tatton, A G

    2011-01-01

    An account is given of the karyotypes of five species and one additional subspecies of Deronectes Sharp, 1882, three species of Stictotarsus Zimmermann, 1919, one species of Trichonectes Guignot, 1941, four species of Scarodytes Gozis, 1914 and 17 species of Nebrioporus Régimbart, 1906. Deronectes species are characterised by a neo-Xy system of sex chromosomes and autosome numbers ranging from 60 (Deronectes ferrugineus Fery et Brancucci, 1987 and Deronectes wewalkai Fery et Fresneda, 1988) through 48 (Deronectes latus (Stephens, 1829), Deronectes angusi Fery et Brancucci, 1990) to 28 (Deronectes costipennis Brancucci, 1983, Deronectes costipennis gignouxi Fery et Brancucci, 1989 and Deronectes platynotus (Germar, 1834)). The three species of Stictotarsus, Stictotarsus duodecimpustulatus (Fabricius, 1792), Stictotarsus procerus (Aubé, 1838) and Stictotarsus bertrandi (Legros, 1956), all belonging to the Stictotarsus duodecimpustulatus group of species, have karyotypes comprising 54 autosomes and neo-Xy sex chromosomes. Trichonectes otini Guignot, 1941 has 48 autosomes and an X0 system of sex chromosomes, an arrangement shared with the 17 species of Nebrioporus Régimbart. The four Scarodytes species, Scarodytes halensis (Fabricius, 1787), Scarodytes nigriventris (Zimmermann, 1919), Scarodytes fuscitarsis (Aubé, 1838) and Scarodytes malickyi Wewalka, 1997, all have 54 autosomes and X0 sex chromosomes. The karyotypes of the various species are found to be distinctive and to support separation of these species from one another. In two cases (Nebrioporus martinii (Fairmaire, 1858) and Nebrioporus sardus (Gemminger et Harold, 1868), and Scarodytes halensis and Scarodytes fuscitarsis) the karyotypes require the recognition of the taxa as full species, not subspecies. The implications of these data for the generic classification are considered. The data are found to be compatible with the DNA-based phylogeny proposed by Ribera (2003), where the enlarged Stictotarsus proposed by Nilsson and Angus (1992) is found to be unsatisfactory.

  15. Rhantus fengi sp. n. from Xizang, China, and notes on Laccoporus nigritulus (Gschwendtner) (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Zhao, Shuang; Jia, Fenglong; Balke, Michael

    2011-05-03

    Rhantus fengisp. n. from Mount Sejila, Xizang, China is described and illustrated. Laccoporus nigritulus (Gschwendtner, 1936) is redescribed and illustrated; Laccoporus viator Balfour-Browne, 1939, syn. n. is established as its junior subjective synonym.

  16. Association of insect life stages using DNA sequences : the larvae of Philodytes umbrinus (Motschulsky) (Coleoptera : Dytiscidae)

    NARCIS (Netherlands)

    Miller, KB; Alarie, Y; Wolfe, GW; Whiting, MF

    2005-01-01

    Insect life stages are known imperfectly in many cases, and classifications are based often on only one or a few semaphoronts of a species. This is unfortunate as information in alternative life stages often is useful for scientific study. Although recent examples of DNA in taxonomy have emphasized

  17. In or out-of-Madagascar?--Colonization patterns for large-bodied diving beetles (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Bukontaite, Rasa; Ranarilalatiana, Tolotra; Randriamihaja, Jacquelin Herisahala; Bergsten, Johannes

    2015-01-01

    High species diversity and endemism within Madagascar is mainly the result of species radiations following colonization from nearby continents or islands. Most of the endemic taxa are thought to be descendants of a single or small number of colonizers that arrived from Africa sometime during the Cenozoic and gave rise to highly diverse groups. This pattern is largely based on vertebrates and a small number of invertebrate groups. Knowledge of the evolutionary history of aquatic beetles on Madagascar is lacking, even though this species-rich group is often a dominant part of invertebrate freshwater communities in both standing and running water. Here we focus on large bodied diving beetles of the tribes Hydaticini and Cybistrini. Our aims with this study were to answer the following questions 1) How many colonization events does the present Malagasy fauna originate from? 2) Did any colonization event lead to a species radiation? 3) Where did the colonizers come from--Africa or Asia--and has there been any out-of-Madagascar event? 4) When did these events occur and were they concentrated to any particular time interval? Our results suggest that neither in Hydaticini nor in Cybistrini was there a single case of two or more endemic species forming a monophyletic group. The biogeographical analysis indicated different colonization histories for the two tribes. Cybistrini required at least eight separate colonization events, including the non-endemic species, all comparatively recent except the only lotic (running water) living Cybister operosus with an inferred colonization at 29 Ma. In Hydaticini the Madagascan endemics were spread out across the tree, often occupying basal positions in different species groups. The biogeographical analyses therefore postulated the very bold hypothesis of a Madagascan origin at a very deep basal node within Hydaticus and multiple out-of-Madagascar dispersal events. This hypothesis needs to be tested with equally intense taxon sampling of mainland Africa as for Madagascar.

  18. Karagöl (Yamanlar, İzmir'ün Sucul Coleoptera (Classis: Insecta Faunasına Katkılar.

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    Esat Tarık Topkara

    2015-12-01

    Full Text Available Bu çalışmada, Karagöl (Yamanlar-İzmir’den 18 Mayıs 2006 tarihinde yapılan örnekleme sonucu elde edilen sucul Coleoptera örnekleri değerlendirilmiştir. Sistematik açıdan yapılan değerlendirmede, Adephaga altfamilyasının Gyrinidae ve Dytiscidae familyalarına ait 4 tür, Polyphaga altfamilyasının Helophoridae, Hydrophilidae, Hydraenidae ve Dryopidae familyalarına ait 7 tür tespit edilmiştir. Tespit edilen türler bu gölün sucul Coleoptera faunası için yeni kayıt niteliğindedir

  19. Observations on the Cave-Associated Beetles (Coleoptera of Nova Scotia, Canada

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    Moseley M.

    2009-07-01

    Full Text Available The cave-associated invertebrates of Nova Scotia constitute a fauna at a very early stage of post-glacial recolonization. TheColeoptera are characterized by low species diversity. A staphylinid Quedius spelaeus spelaeus, a predator, is the only regularlyencountered beetle. Ten other terrestrial species registered from cave environments in the province are collected infrequently. Theyinclude three other rove-beetles: Brathinus nitidus, Gennadota canadensis and Atheta annexa. The latter two together with Catopsgratiosus (Leiodidae constitute a small group of cave-associated beetles found in decompositional situations. Quedius s. spelaeusand a small suite of other guanophiles live in accumulations of porcupine dung: Agolinus leopardus (Scarabaeidae, Corticariaserrata (Latrididae, and Acrotrichis castanea (Ptilidae. Two adventive weevils Otiorhynchus ligneus and Barypeithes pellucidus(Curculionidae collected in shallow cave passages are seasonal transients; Dermestes lardarius (Dermestidae, recorded fromone cave, was probably an accidental (stray. Five of the terrestrial beetles are adventive Palaearctic species. Aquatic beetles arecollected infrequently. Four taxa have been recorded: Agabus larsoni (Dytiscidae may be habitual in regional caves; another Agabussp. (probably semivittatus, Dytiscus sp. (Dytiscidae, and Crenitis digesta (Hydrophilidae are accidentals. The distribution andecology of recorded species are discussed, and attention is drawn to the association of beetles found in a Nova Scotia “ice cave”.

  20. The hydraulic mechanism in the hind wing veins of Cybister japonicus Sharp (order: Coleoptera

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    Jiyu Sun

    2016-06-01

    Full Text Available The diving beetles (Dytiscidae, Coleoptera are families of water beetles. When they see light, they fly to the light source directly from the water. Their hind wings are thin and fragile under the protection of their elytra (forewings. When the beetle is at rest the hind wings are folded over the abdomen of the beetle and when in flight they unfold to provide the necessary aerodynamic forces. In this paper, the unfolding process of the hind wing of Cybister japonicus Sharp (order: Coleoptera was investigated. The motion characteristics of the blood in the veins of the structure system show that the veins have microfluidic control over the hydraulic mechanism of the unfolding process. A model is established, and the hind wing extending process is simulated. The blood flow and pressure changes are discussed. The driving mechanism for hydraulic control of the folding and unfolding actions of beetle hind wings is put forward. This can assist the design of new deployable micro air vehicles and bioinspired deployable systems.

  1. The diversity and biogeography of the Coleoptera of Churchill: insights from DNA barcoding

    Science.gov (United States)

    2013-01-01

    Background Coleoptera is the most diverse order of insects (>300,000 described species), but its richness diminishes at increasing latitudes (e.g., ca. 7400 species recorded in Canada), particularly of phytophagous and detritivorous species. However, incomplete sampling of northern habitats and a lack of taxonomic study of some families limits our understanding of biodiversity patterns in the Coleoptera. We conducted an intensive biodiversity survey from 2006–2010 at Churchill, Manitoba, Canada in order to quantify beetle species diversity in this model region, and to prepare a barcode library of beetles for sub-arctic biodiversity and ecological research. We employed DNA barcoding to provide estimates of provisional species diversity, including for families currently lacking taxonomic expertise, and to examine the guild structure, habitat distribution, and biogeography of beetles in the Churchill region. Results We obtained DNA barcodes from 3203 specimens representing 302 species or provisional species (the latter quantitatively defined on the basis of Molecular Operational Taxonomic Units, MOTUs) in 31 families of Coleoptera. Of the 184 taxa identified to the level of a Linnaean species name, 170 (92.4%) corresponded to a single MOTU, four (2.2%) represented closely related sibling species pairs within a single MOTU, and ten (5.4%) were divided into two or more MOTUs suggestive of cryptic species. The most diverse families were the Dytiscidae (63 spp.), Staphylinidae (54 spp.), and Carabidae (52 spp.), although the accumulation curve for Staphylinidae suggests that considerable additional diversity remains to be sampled in this family. Most of the species present are predatory, with phytophagous, mycophagous, and saprophagous guilds being represented by fewer species. Most named species of Carabidae and Dytiscidae showed a significant bias toward open habitats (wet or dry). Forest habitats, particularly dry boreal forest, although limited in extent in the

  2. Early Burst in Body Size Evolution is Uncoupled from Species Diversification in Diving Beetles (Dytiscidae).

    Science.gov (United States)

    Désamoré, Aurélie; Laenen, Benjamin; Miller, Kelly B; Bergsten, Johannes

    2018-01-15

    Changes in morphology are often thought to be linked to changes in species diversification, which is expected to leave a signal of Early Burst (EB) in phenotypic traits. However, such signal is rarely recovered in empirical phylogenies, even for groups with well-known adaptive radiation. Using a comprehensive phylogenetic approach in Dytiscidae, which harbors ~4,300 species with as much as 50-fold variation in body size among them, we ask whether pattern of species diversification correlates with morphological evolution. Additionally, we test if the large variation in body size is linked to habitat preference and if the later influences species turnover. We found, in sharp contrast to most animal groups, that Dytiscidae body size evolution follows an Early Burst model with subsequent high phylogenetic conservatism. However, we found no evidence for associated shifts in species diversification, which point to an uncoupled evolution of morphology and species diversification. We recovered the ancestral habitat of Dytiscidae as lentic (standing water), with many transitions to lotic habitat (running water) that are concomitant to a decrease in body size. Finally, we found no evidence for difference in net diversification rates between habitats nor difference in turnover in lentic and lotic species. This result, together with recent findings in dragonflies, contrasts with some theoretical expectations of the Habitat Stability Hypothesis. Thus, a thorough reassessment of the impact of dispersal, gene flow and range size on the speciation process is needed to fully encompass the evolutionary consequences of the lentic-lotic divide for freshwater fauna. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.

  3. Investigations on the aquatic Coleoptera (Classis: Insecta fauna of some mountain lakes in the eastern Black Sea range (Turkey.

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    Esat Tarık Topkara

    2015-12-01

    Full Text Available Doğu Karadeniz dağ silsilesindeki bazı dağ göllerinin sucul Coleoptera (Classis: Insecta faunası üzerine araştırmalar. Doğu Karadeniz (Türkiye dağ silsilesindeki yüksek dağ göllerinin sucul Coleoptera faunasını belirlemek amacıyla yapılan bu araştırma, 2005-2007 yıllarında Temmuz ve Ağustos aylarında 22 gölde gerçekleştirilmiştir. Örneklemeler göllerin littoral bölgesinde ve el kepçeleri kullanılarak yapılmıştır. Toplanan örneklerin taksonomik açıdan incelenmesiyle, 4 familyaya ait 21 takson (Dytiscidae 11, Helophoridae 7, Hydraenidae 2, Elmidae 1 tespit edilmiştir

  4. Further contributions to the Coleoptera fauna of New Brunswick with an addition to the fauna of Nova Scotia, Canada

    Science.gov (United States)

    Webster, Reginald P.; Webster, Vincent L.; Alderson, Chantelle A.; Hughes, Cory C.; Sweeney, Jon D.

    2016-01-01

    Abstract This paper treats 134 new records of Coleoptera for the province of New Brunswick, Canada from the following 41 families: Gyrinidae, Carabidae, Dytiscidae, Histeridae, Leiodidae, Scarabaeidae, Scirtidae, Buprestidae, Elmidae, Limnichidae, Heteroceridae, Ptilodactylidae, Eucnemidae, Throscidae, Elateridae, Lampyridae, Cantharidae, Dermestidae, Bostrichidae, Ptinidae, Cleridae, Melyridae, Monotomidae, Cryptophagidae, Silvanidae, Laemophloeidae, Nitidulidae, Endomychidae, Coccinellidae, Corylophidae, Latridiidae, Tetratomidae, Melandryidae, Mordellidae, Tenebrionidae, Mycteridae, Pyrochroidae, Aderidae, Scraptiidae, Megalopodidae, and Chrysomelidae. Among these, the following four species are newly recorded from Canada: Dirrhagofarsus ernae Otto, Muona & McClarin (Eucnemidae), Athous equestris (LeConte) (Elateridae), Ernobius opicus Fall (Ptinidae), and Stelidota coenosa Erichson (Nitidulidae). The Family Limnichidae is newly reported for New Brunswick, and one species is added to the fauna of Nova Scotia. Stephostethus productus Rosenhauer (Latridiidae), Tetratoma (Abstrulia) variegata Casey (Tetratomidae), and Chauliognathus marginatus (Fabricius) (Cantharidae) are removed from the faunal list of New Brunswick, and additional records of Lacconotus punctatus LeConte (Mycteridae) are presented and discussed. Lindgren funnel traps provided specimens for 104 (78%) of the species and were the sole source of specimens for 89 (66%) of the species reported here, suggesting they are a very useful tool for sampling Coleoptera fauna in the forests of New Brunswick. PMID:27110171

  5. Further contributions to the Coleoptera fauna of New Brunswick with an addition to the fauna of Nova Scotia, Canada.

    Science.gov (United States)

    Webster, Reginald P; Webster, Vincent L; Alderson, Chantelle A; Hughes, Cory C; Sweeney, Jon D

    2016-01-01

    This paper treats 134 new records of Coleoptera for the province of New Brunswick, Canada from the following 41 families: Gyrinidae, Carabidae, Dytiscidae, Histeridae, Leiodidae, Scarabaeidae, Scirtidae, Buprestidae, Elmidae, Limnichidae, Heteroceridae, Ptilodactylidae, Eucnemidae, Throscidae, Elateridae, Lampyridae, Cantharidae, Dermestidae, Bostrichidae, Ptinidae, Cleridae, Melyridae, Monotomidae, Cryptophagidae, Silvanidae, Laemophloeidae, Nitidulidae, Endomychidae, Coccinellidae, Corylophidae, Latridiidae, Tetratomidae, Melandryidae, Mordellidae, Tenebrionidae, Mycteridae, Pyrochroidae, Aderidae, Scraptiidae, Megalopodidae, and Chrysomelidae. Among these, the following four species are newly recorded from Canada: Dirrhagofarsus ernae Otto, Muona & McClarin (Eucnemidae), Athous equestris (LeConte) (Elateridae), Ernobius opicus Fall (Ptinidae), and Stelidota coenosa Erichson (Nitidulidae). The Family Limnichidae is newly reported for New Brunswick, and one species is added to the fauna of Nova Scotia. Stephostethus productus Rosenhauer (Latridiidae), Tetratoma (Abstrulia) variegata Casey (Tetratomidae), and Chauliognathus marginatus (Fabricius) (Cantharidae) are removed from the faunal list of New Brunswick, and additional records of Lacconotus punctatus LeConte (Mycteridae) are presented and discussed. Lindgren funnel traps provided specimens for 104 (78%) of the species and were the sole source of specimens for 89 (66%) of the species reported here, suggesting they are a very useful tool for sampling Coleoptera fauna in the forests of New Brunswick.

  6. Description of the third instar larva of Megadytes latus (Fabricius (Coleoptera, Dytiscidae, with an identification key for described larvae of the genus Descrição da larva de terceiro ínstar de Megadytes latus (Fabricius (Coleoptera, Dytiscidae

    Directory of Open Access Journals (Sweden)

    Nelson Ferreira-Jr

    2006-09-01

    Full Text Available The last instar larva of M. latus (Fabricius, 1801 is described and figured, based on reared specimens from Serra dos Órgãos, Teresópolis, state of Rio de Janeiro, Brazil. Some notes on the biotope are provided.A larva de terceiro ínstar de M. latus (Fabricius, 1801 é descrita e ilustrada, baseado em espécimes criados da Serra dos Órgãos, Teresópolis, Rio de Janeiro, Brasil. Algumas notas acerca do biótopo onde as larvas foram coletadas são incluídas.

  7. Frequent discordance between morphology and mitochondrial DNA in a species group of European water beetles (Coleoptera: Dytiscidae)

    Science.gov (United States)

    Turner, Lucy; Foster, Garth N.

    2017-01-01

    The Hydroporus memnonius species group includes both widespread and range restricted diving beetle taxa in the western Palaearctic, some of which have been divided into a number of geographical subspecies. Of these, Hydroporus necopinatus is distributed in the far west of Europe, from central Spain to southern Britain, and has been split into three subspecies, occurring in Iberia (necopinatus sst.), France (robertorum) and England (roni) respectively—the last of these being a rare example of an insect taxon apparently endemic to northern Europe. Here we explore inter-relationships between populations and subspecies of H. necopinatus and related members of the Hydroporus melanarius subgroup, using mitochondrial COI sequence data. We reveal widespread discordance between mitochondrial DNA sequence variation and morphology in areas where H. necopinatus and H. melanarius come into contact, consistent with historical introgressive hybridization between these taxa. In light of this discordance, the lack of clear genetic divergence between H. necopinatus subspecies, and the fact that both robertorum and roni are morphologically intermediate between H. necopinatus sstr. and H. melanarius, we suggest that these taxa may be of hybridogenic origin, rather than representing discrete evolutionary lineages. PMID:28289570

  8. Exocelina baliem sp. n., the only known pond species of New Guinea Exocelina Broun, 1886 (Coleoptera, Dytiscidae, Copelatinae

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    Helena Shaverdo

    2013-05-01

    Full Text Available Exocelina baliem sp. n. is described from the Baliem Valley in the Central Mountain Range of New Guinea (Papua Province, Indonesia.striolate elytra, different structure and setation of the male and female genitalia and tarsomeres, and inhabiting swampy ponds, the new species differs from all known New Guinea species, which have smooth elytra and are stream associated. It forms a monophyletic group with the Australian E. ferruginea (Sharp, 1882 and New Caledonian E. inexspectata Wewalka, Balke & Hendrich, 2010, based on shape of the paramere and structure of the male tarsi. Habitus, protarsomeres, and male and female genitalia are illustrated, comparing some structures with E. ferruginea and two New Guinea stream species. We briefly discuss the biogeographic relevance of this discovery.

  9. Carnivorous Diving Beetles of the Genus Desmopachria (Coleoptera: Dytiscidae) from Brazil: New Species, New Records, and a Checklist

    Science.gov (United States)

    Braga, Rafael Benzi; Ferreira-Jr, Nelson

    2014-01-01

    Eight new species of Desmopachria Babington, 1841 are described and illustrated from Brazil: D. dicrophallica sp. nov., D. disticta sp. nov., D. grammosticta sp. nov., D. grandinigra sp. nov., D. itamontensis sp. nov., D. leptophallica sp. nov., D. stethothrix sp. nov., and D. ukuki sp. nov. The species D. amyae Miller, 2001, D. chei Miller, 1999, D. margarita Young, 1990, and D. volatidisca Miller, 2001 are recorded for the first time from Brazil. From species of the Desmopachria reported in Brazil, D. aldessa Young, 1980 has a new record from Pará state and D. fossulata Zimmermann, 1928, D. granoides Young, 1986, and D. laevis Sharp, 1882 have new records from Rio de Janeiro State. A checklist of all Desmopachria recorded from Brazil is presented with notes about some of the localities.

  10. Changing Names with Changed Address: Integrated Taxonomy and Species Delimitation in the Holarctic Colymbetes paykulli Group (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Drotz, Marcus K; Brodin, Tomas; Nilsson, Anders N

    2015-01-01

    Species delimitation of geographically isolated forms is a long-standing problem in less studied insect groups. Often taxonomic decisions are based directly on morphologic variation, and lack a discussion regarding sample size and the efficiency of migration barriers or dispersal/migration capacity of the studied species. These problems are here exemplified in a water beetle complex from the Bering Sea region that separates North America from Eurasia. Only a few sampled specimens occur from this particular area and they are mostly found in museum and private collections. Here we utilize the theory of integrated taxonomy to discuss the speciation of the Holarctic Colymbetes paykulli water beetle complex, which historically has included up to five species of which today only two are recognized. Three delimitation methods are used; landmark based morphometry of body shape, variation in reticulation patterns of the pronotum exo-skeleton and sequence variation of the partial mitochondrial gene Cyt b. Our conclusion is that the Palearctic and Nearctic populations of C. paykulli are given the status of separate species, based on the fact that all methods showed significant separation between populations. As a consequence the name of the Palearctic species is C. paykulli Erichson and the Nearctic species should be known as C. longulus LeConte. There is no clear support for delineation between Palearctic and Nearctic populations of C. dahuricus based on mtDNA. However, significant difference in size and reticulation patterns from the two regions is shown. The combined conclusion is that the C. dahuricus complex needs a more thorough investigation to fully disentangle its taxonomic status. Therefore it is here still regarded as a Holarctic species. This study highlights the importance to study several diagnosable characters that has the potential to discriminate evolutionary lineage during speciation.

  11. Frequent discordance between morphology and mitochondrial DNA in a species group of European water beetles (Coleoptera: Dytiscidae

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    David T. Bilton

    2017-03-01

    Full Text Available The Hydroporus memnonius species group includes both widespread and range restricted diving beetle taxa in the western Palaearctic, some of which have been divided into a number of geographical subspecies. Of these, Hydroporus necopinatus is distributed in the far west of Europe, from central Spain to southern Britain, and has been split into three subspecies, occurring in Iberia (necopinatus sst., France (robertorum and England (roni respectively—the last of these being a rare example of an insect taxon apparently endemic to northern Europe. Here we explore inter-relationships between populations and subspecies of H. necopinatus and related members of the Hydroporus melanarius subgroup, using mitochondrial COI sequence data. We reveal widespread discordance between mitochondrial DNA sequence variation and morphology in areas where H. necopinatus and H. melanarius come into contact, consistent with historical introgressive hybridization between these taxa. In light of this discordance, the lack of clear genetic divergence between H. necopinatus subspecies, and the fact that both robertorum and roni are morphologically intermediate between H. necopinatus sstr. and H. melanarius, we suggest that these taxa may be of hybridogenic origin, rather than representing discrete evolutionary lineages.

  12. A new species of the genus Hydroporus Clairville, 1806 from the Central Rif mountains of northern Morocco (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Manuel, Michael

    2014-07-24

    Hydroporus rifensis sp. n. is described from Central Rif in northern Morocco. The new species is the first member of the Hydroporus tristis-group to be recorded from the African continent. Analyses of cytochrome oxydase 1 (CO1) and 16S rRNA partial sequences indicate unambiguously that H. rifensis sp. n. is a geographical vicariant of the widespread and common European species Hydroporus gyllenhalii Schiödte, 1841, whose closest Iberian populations are known from southern Spain and southern Portugal. Genetically the two species are very close, but in terms of morphology they differ considerably, to the extent that in several respects H. rifensis sp. n. is more similar to some species of the H. striola-group, the sister clade of the H. tristis-group. The new species differs from H. gyllenhalii notably by its larger size, lighter elytra, stronger pubescence, much finer elytral punctation, morphology of the median prosternum area, and marked differentiation of protarsal claws in male. Hydroporus rifensis sp. n. is the first dytiscid species endemic to the Rif and the second Hydroporus species endemic to Morocco. 

  13. Exocelina baliem sp. n., the only known pond species of New Guinea Exocelina Broun, 1886 (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Shaverdo, Helena V; Hendrich, Lars; Balke, Michael

    2013-01-01

    Exocelina baliem sp. n. is described from the Baliem Valley in the Central Mountain Range of New Guinea (Papua Province, Indonesia). Having striolate elytra, different structure and setation of the male and female genitalia and tarsomeres, and inhabiting swampy ponds, the new species differs from all known New Guinea species, which have smooth elytra and are stream associated. It forms a monophyletic group with the Australian Exocelina ferruginea (Sharp, 1882) and New Caledonian Exocelina inexspectata Wewalka, Balke & Hendrich, 2010, based on shape of the paramere and structure of the male tarsi. Habitus, protarsomeres, and male and female genitalia are illustrated, comparing some structures with Exocelina ferruginea and two New Guinea stream species. We briefly discuss the biogeographic relevance of this discovery.

  14. Six new species of the genus Exocelina Broun, 1886 from Wano Land, New Guinea (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Shaverdo, Helena; Wild, Michael; Sumoked, Bob; Balke, Michael

    2017-01-01

    Six new species of New Guinea Exocelina Broun, 1886 are described in this paper: E. iratoisp. n., E. likuisp. n., E. puisp. n., E. pulukensissp. n., E. tomhansisp. n., and E. wigodukensissp. n. Although different morphologically, together with Exocelina ascendens (Balke, 1998), E. bagus (Balke & Hendrich, 2001), and E. ransikiensis Shaverdo, Panjaitan & Balke, 2016, they are found to form a monophyletic clade and be closely related to representatives of the E. ekari-group, based on preliminary analysis of sequence data. An identification key to the species is provided, and important diagnostic characters are illustrated. The present data on the species' distribution show that most of them are local endemics.

  15. Six new species of the genus Exocelina Broun, 1886 from Wano Land, New Guinea (Coleoptera, Dytiscidae, Copelatinae

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    Helena Shaverdo

    2017-04-01

    Full Text Available Six new species of New Guinea Exocelina Broun, 1886 are described in this paper: E. iratoi sp. n., E. likui sp. n., E. pui sp. n., E. pulukensis sp. n., E. tomhansi sp. n., and E. wigodukensis sp. n. Although different morphologically, together with Exocelina ascendens (Balke, 1998, E. bagus (Balke & Hendrich, 2001, and E. ransikiensis Shaverdo, Panjaitan & Balke, 2016, they are found to form a monophyletic clade and be closely related to representatives of the E. ekari-group, based on preliminary analysis of sequence data. An identification key to the species is provided, and important diagnostic characters are illustrated. The present data on the species’ distribution show that most of them are local endemics.

  16. Review of the genus Sekaliporus Watts, 1997 with description of a new species from northern Australia (Coleoptera: Dytiscidae, Hydroporinae).

    Science.gov (United States)

    Hendrich, Lars; Balke, Michael

    2015-07-02

    Sekaliporus davidi sp. n. is described from northern Australia. It is the second species in the genus. It occurs from the Kimberley region in the northwest of Western Australia to north-eastern Queensland. The new species is morphologically similar to S. kriegi Watts, 1997 described from the Kakadu area in the Northern Territory but well characterized by its constantly larger size, six yellowish markings on elytra, the different form of the apical triangular spine of elytra, and the form of the median lobe. Sekaliporus davidi sp. n. is a lotic species from intermittent creeks and slow flowing rivers and their residual pools. Important species characters (median lobes, parameres and colour patterns) of the two species are figured, and notes on their habitats and distribution are given. Both species are capable of flight and were also collected at light.

  17. Species delimitation of the Hyphydrus ovatus complex in western Palaearctic with an update of species distributions (Coleoptera, Dytiscidae

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    Johannes Bergsten

    2017-06-01

    Full Text Available The species status of Hyphydrus anatolicus Guignot, 1957 and H. sanctus Sharp, 1882, previously often confused with the widespread H. ovatus (Linnaeus, 1760, are tested with molecular and morphological characters. Cytochrome c oxidase subunit 1 (CO1 was sequenced for 32 specimens of all three species. Gene-trees were inferred with parsimony, time-free bayesian and strict clock bayesian analyses. The GMYC model was used to estimate species limits. All three species were reciprocally monophyletic with CO1 and highly supported. The GMYC species delimitation analysis unequivocally delimited the three species with no other than the three species solution included in the confidence interval. A likelihood ratio test rejected the one-species null model. Important morphological characters distinguishing the species are provided and illustrated. New distributional data are given for the following species: Hyphydrus anatolicus from Slovakia and Ukraine, and H. aubei Ganglbauer, 1891, and H. sanctus from Turkey.

  18. Introduction of the Exocelina ekari-group with descriptions of 22 new species from New Guinea (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Shaverdo, Helena V; Surbakti, Suriani; Hendrich, Lars; Balke, Michael

    2012-01-01

    The Exocelina ekari-group is here introduced and defined mainly on the basis of a discontinuous outline of the median lobe of the aedeagus. The group is known only from New Guinea (Indonesia and Papua New Guinea). It contained four species to date: Exocelina astrophallus (Balke, 1998), Exocelina atowaso (Shaverdo, Sagata & Balke, 2005), Exocelina munaso (Shaverdo, Sagata & Balke, 2005), and Exocelina polita (Sharp, 1882). Twenty two new species are described herein: Exocelina alexanderisp. n., Exocelina anggiensissp. n., Exocelina arfakensissp. n., Exocelina bifidasp. n., Exocelina brahminensissp. n., Exocelina bundiensissp. n., Exocelina edeltraudaesp. n., Exocelina ekarisp. n., Exocelina emesp. n., Exocelina evelyncheesmanaesp. n., Exocelina hansferyisp. n., Exocelina irianensissp. n., Exocelina kakapupusp. n., Exocelina knoepfchensp. n., Exocelina oceaisp. n., Exocelina pseudosoppisp. n., Exocelina soppisp. n., Exocelina uniposp. n., Exocelina utowaensissp. n., Exocelina waigeoensissp. n., Exocelina weylandensissp. n., and Exocelina wondiwoiensissp. n. The lectotype of Copelatus politus Sharp, 1882 is designated. A checklist and identification key to all species of the group are provided and important diagnostic characters (habitus, color, male antennae and protarsomeres 4-5, median lobes and parameres) are illustrated. Data on the distribution and habitat requirements are given. Representatives of the Exocelina ekari-group are so far mostly known from lowland to lower montane habitats of the northern and central parts of New Guinea, the group is less diverse in higher altitudes.

  19. A taxonomic revision of South African Sharphydrus, with the description of two new species (Coleoptera: Dytiscidae: Bidessini).

    Science.gov (United States)

    Bilton, David T

    2013-12-17

    Sharphydrus Omer-Cooper, 1958 is one of two endemic bidessine genera currently recognised from South Africa. Here Sharphydrus brincki sp. nov. and Sharphydrus kamiesbergensis sp. nov. are described from the Cederberg and Gydopas areas of the Western Cape, and the high Kamiesberg of the Northern Cape respectively, doubling the known species of this genus. It is shown that S. brincki sp. nov. has been included under S. capensis (Omer-Cooper, 1955) in the past, but that these are quite distinct taxa, differing in the extent of their elytral keels and male genitalia. Sharphydrus species are inhabitants of pools in seasonally fluctuating rivers, the new species described here occurring in areas which are somewhat transitional between fynbos and karoo biomes. An updated key is presented to Sharphydrus species, together with data on the distribution and ecology of known species, and a discussion of the status of the genus within the Bidessini.

  20. Carnivorous diving beetles of the genus Desmopachria (Coleoptera: Dytiscidae) from Brazil: new species, new records, and a checklist.

    Science.gov (United States)

    Braga, Rafael Benzi; Ferreira-Jr, Nelson

    2014-04-19

    Eight new species of Desmopachria Babington, 1841 are described and illustrated from Brazil: D. dicrophallica sp nov., D. disticta sp nov., D. grammosticta sp nov., D. grandinigra sp nov., D. itamontensis sp nov., D. leptophallica sp nov., D. stethothrix sp nov., and D. ukuki sp nov. The species D. amyae Miller, 2001, D. chei Miller, 1999, D. margarita Young, 1990, and D. volatidisca Miller, 2001 are recorded for the first time from Brazil. From species of the Desmopachria reported in Brazil, D. aldessa Young, 1980 has a new record from Pará state and D. fossulata Zimmermann, 1928, D. granoides Young, 1986, and D. laevis Sharp, 1882 have new records from Rio de Janeiro State. A checklist of all Desmopachria recorded from Brazil is presented with notes about some of the localities. This is an open access paper. We use the Creative Commons Attribution 3.0 license that permits unrestricted use, provided that the paper is properly attributed.

  1. Species delimitation of the Hyphydrus ovatus complex in western Palaearctic with an update of species distributions (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Bergsten, Johannes; Weingartner, Elisabeth; Hájek, Jiří

    2017-01-01

    The species status of Hyphydrus anatolicus Guignot, 1957 and H. sanctus Sharp, 1882, previously often confused with the widespread H. ovatus (Linnaeus, 1760), are tested with molecular and morphological characters. Cytochrome c oxidase subunit 1 (CO1) was sequenced for 32 specimens of all three species. Gene-trees were inferred with parsimony, time-free bayesian and strict clock bayesian analyses. The GMYC model was used to estimate species limits. All three species were reciprocally monophyletic with CO1 and highly supported. The GMYC species delimitation analysis unequivocally delimited the three species with no other than the three species solution included in the confidence interval. A likelihood ratio test rejected the one-species null model. Important morphological characters distinguishing the species are provided and illustrated. New distributional data are given for the following species: Hyphydrus anatolicus from Slovakia and Ukraine, and H. aubei Ganglbauer, 1891, and H. sanctus from Turkey.

  2. Resolving the taxonomic conundrum in Graphoderus of the east Palearctic with a key to all species (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Holmgren, Sandra; Angus, Robert; Jia, Fenglong; Chen, Zhen-Ning; Bergsten, Johannes

    2016-01-01

    The Holarctic diving beetle genus Graphoderus (Dytiscinae, Aciliini) contains relatively few and well-known species but these may still be difficult to identify based on external characters. A taxonomic problem in the eastern Palearctic was discovered that relates to the Palearctic Graphoderus zonatus (Hoppe, 1795) and the Nearctic Graphoderus perplexus Sharp, 1882. Based on qualitative and quantitative characters, especially on male genitalia which have been poorly studied in the past, it is shown that eastern Palearctic specimens identified by previous authors as either of the two species in fact belongs to a third species. The synonymized name Graphoderus elatus Sharp, 1882, is reinstated as a valid species (stat. n.) and a lectotype is designated from the mixed syntype series. The male genitalia of all known Graphoderus species have been examined and an illustrated identification key to the genus is provided. The three species in the complex of focus, Graphoderus elatus, Graphoderus zonatus and Graphoderus perplexus are found to have allopatric distributions; Graphoderus perplexus in the Nearctic region, Graphoderus zonatus in the west Palearctic region and eastwards to the Yenisei-Angara river and Graphoderus elatus east of the Yenisei-Angara river. All previous records of either Graphoderus zonatus or Graphoderus perplexus in the east Palearctic, east of the Yenisei-Angara river turned out to be misidentified Graphoderus elatus. This conclusion also brings with it that dimorphic females, thought only to be present in the single subspecies Graphoderus zonatus verrucifer (CR Sahlberg, 1824), proved to be present also in a second species, Graphoderus elatus. The dimorphic female forms is either with dorsally smooth elytra and pronotum or conspicuously granulated elytra and wrinkly pronotum. As has been shown in Graphoderus zonatus verrucifer there is a correlation between the occurrence of granulate female forms in a population and an increase in the number of adhesive discs on pro- and mesotarsus in males within Graphoderus elatus.

  3. Elemental composition in two water beetles (Dytiscus thianschanicus, Dytiscus persicus) (Dytiscidae: Coleoptera) as revealed by WDXRF spectroscopy.

    Science.gov (United States)

    Erman, Omer Köksal

    2011-12-01

    In this study, concentrations of 34 different inorganic elements between Dytiscus thianschanicus and Dytiscus persicus collected from the environs of five Turkish cities were measured by wavelength dispersive X-ray fluorescence spectrometry. The two species were found to differ in both elemental composition and amount. The concentrations of Na, As, Br and Ba were found to differ significantly between D. thianschanicus and D. persicus. In addition, Mn and I concentrations for D. thianschanicus and Si, Zn for D. persicus between males and females were statistically significant. It is thought that metabolic differences between males and females of these insects may be behind the observed differences in these species. Differences in elemental composition were also seen between beetles from different localities, and the content of non-essential elements in an insect's body may be a useful measure of the level of these elements in their habitats.

  4. Agabus abaensis sp. nov., a peculiar species of the confinis-group from central China (Coleoptera: Dytiscidae: Agabinae).

    Science.gov (United States)

    Šťastný, Jaroslav; Hájek, Jiří

    2016-06-09

    Agabus (Acatodes) abaensis sp. nov., from northern Sichuan and south-western Gansu provinces (China) is described and its relevant diagnostic characters are illustrated. The new species is, with some hesitation, classified within the A. confinis species group. Agabus abaensis sp. nov. differs from all species in the group by the combination of the following characters: elytral sculpture with considerably large, distinctly double reticulation in both sexes, and male anterior protarsal claw dentate-the characters resembling some species of the A. arcticus species group. The systematic position of the new species is briefly discussed.

  5. A new species of Yola Gozis, 1886 from the Western Cape of South Africa (Coleoptera: Dytiscidae: Bidessini).

    Science.gov (United States)

    Bilton, David T

    2015-01-13

    Yola matsikammae sp. nov. is described from the Matsikammaberg, an inselberg on the northern edge of the fynbos biome of the Western Cape, South Africa. A key is provided to separate the new species from other southern African members of the Yola bicarinata group. Y. matsikammae sp. nov. bears a superficial resemblance to Sharphydrus species, particularly Sharphydrus brincki Bilton, 2013 with which it was found to co-occur. Comparative notes to separate these taxa are also included. 

  6. Scanning behavior by larvae of the predacious diving beetle, Thermonectus marmoratus (Coleoptera: Dytiscidae) enlarges visual field prior to prey capture.

    Science.gov (United States)

    Buschbeck, Elke K; Sbita, Sarah J; Morgan, Randy C

    2007-09-01

    Larvae of the predaceous diving beetle Thermonectus marmoratus bear six stemmata on each side of their head, two of which form relatively long tubes with linear retinas at their proximal ends. The physical organization of these eyes results in extremely narrow visual fields that extend only laterally in the horizontal body plane. There are other examples of animals possessing eyes with predominantly linear retinas, or with linear arrangements of specific receptor types. In these animals, the eyes, or parts of the eyes, are movable and perform scanning movements to increase the visual field. Based on anatomical data and observations of relatively transparent, immobilized young larvae, we report here that T. marmoratus larvae are incapable of moving their eyes or any part of their eyes within the head capsule. However, they do perform a series of bodily dorso-ventral pivots prior to prey capture, behaviorally extending the vertical visual field from 2 degrees to up to 50 degrees. Frame-by-frame analysis shows that such behavior is performed within a characteristic distance to the prey. These data provide first insights into the function of the very peculiar anatomical eye organization of T. marmoratus larvae.

  7. Introduction of the Exocelina ekari-group with descriptions of 22 new species from New Guinea (Coleoptera, Dytiscidae, Copelatinae

    Directory of Open Access Journals (Sweden)

    Helena Shaverdo

    2012-12-01

    Full Text Available The Exocelina ekari-group is here introduced and defined mainly on the basis of a discontinuous outline of the median lobe of the aedeagus. The group is known only from New Guinea (Indonesia and Papua New Guinea. It contained four species to date: E. astrophallus (Balke, 1998, E. atowaso (Shaverdo, Sagata & Balke, 2005, E. munaso (Shaverdo, Sagata & Balke, 2005, and E. polita (Sharp, 1882. Twenty two new species are described herein: E. alexanderi sp. n., E. anggiensis sp. n., E. arfakensis sp. n., E. bifida sp. n., E. brahminensis sp. n., E. bundiensis sp. n., E. edeltraudae sp. n., E. ekari sp. n., E. eme sp. n., E. evelyncheesmanae sp. n., E. hansferyi sp. n., E. irianensis sp. n., E. kakapupu sp. n., E. knoepfchen sp. n., E. oceai sp. n., E. pseudosoppi sp. n., E. soppi sp. n., E. unipo sp. n., E. utowaensis sp. n., E. waigeoensis sp. n., E. weylandensis sp. n., and E. wondiwoiensis sp. n. The lectotype of Copelatus politus Sharp, 1882 is designated. A checklist and identification key to all species of the group are provided and important diagnostic characters (habitus, color, male antennae and protarsomeres 4–5, median lobes and parameres are illustrated. Data on the distribution and habitat requirements are given. Representatives of the E. ekari-group are so far mostly known from lowland to lower montane habitats of the northern and central parts of New Guinea, the group is less diverse in higher altitudes.

  8. A new, widely distributed species of the Exocelina ekari-group from West Papua (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Shaverdo, Helena; Panjaitan, Rawati; Balke, Michael

    2016-01-01

    Exocelina manokwariensis sp. n. from West Papua is placed into the Exocelina ekari-group based on the structure of its male genitalia. The new species is described, including its three subspecies, from the mainland of West Papua, Waigeo Island, Batanta and Salawati Islands, and Bomberai peninsula. An identification key to the subspecies as well as data on species distribution are provided.

  9. Taxonomic revision of Australian Platynectes Régimbart, 1879 (Part I)-four new species from Queensland (Coleoptera: Dytiscidae, Agabinae).

    Science.gov (United States)

    Hendrich, Lars; Sťastný, Jaroslav

    2014-05-09

    Four species of the genus Platynectes subgenus Gueorguievtes Vazirani, 1976 are described from Queensland, Australia: Platynectes brancuccii sp. n. (Atherton Tableland), P. larsoni sp. n. (Mulgrave Range and Windsor Tableland), P. ponderi sp. n. (Carnarvon Range) and Platynectes weiri sp. n. (White Mountains National Park and Hope Vale Mission). The latter two are the first species of the genus with striae on elytra and the informal P. weiri-species group is established for them. Platynectes brancuccii sp. n. and P. larsoni sp. n. belong to the P. decempunctatus-species group. All four species were collected from small rain forest streams or rest pools of intermittent creeks. Important species characters (median lobes, parameres and colour patterns) of all species are figured, and notes on their distribution and ecology are given. Altogether 17 species of the genus are now known from Australia.

  10. Microdytes huangyongensis sp. n. and new records of Allopachria Zimmermann, 1924 from Zhejiang Province, China (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Bian, Dongju; Zhang, Yue; Ji, Lanzhu

    2015-11-12

    An excursion to Zhejiang, China was made in August 2014, and two species of Microdytes J. Balfour-Browne, 1946 (M. uenoi Satô, 1972 and M. huangyongensis sp. n.) and two species of Allopachria Zimmermann, 1924 (A. miaowangi Wewalka, 2010, and A. schoenmanni Wewalka, 2000) were collected. Only one species of Microdytes (M. uenoi Satô, 1972) was recorded from Zhejiang before. The genus Allopachria is reported from Zhejiang for the first time. The genus Microdytes occurs throughout southern and south-eastern Asia. Since the revision of Microdytes by Wewalka (1997), sixteen new species and one new synonymy have been reported (Wewalka 1998; Wewalka & Wang 1998; Wewalka et al. 2007; Bian & Ji 2009; Miller & Wewalka 2010; Wewalka 2011). Including the new species the genus Microdytes comprises 46 species. Specimens were examined with a Leica M205c stereomicroscope. Further details were studied under an Olympus BX51 compound microscope. The photograph of the holotype (Fig 1) was made with a KEYENCE VHX-2000 C digital microscope. All specimens studied were deposited in the Institute of Applied Ecology, Shenyang, Chinese Academy of Sciences (IAECAS).

  11. Frequent discordance between morphology and mitochondrial DNA in a species group of European water beetles (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Bilton, David T; Turner, Lucy; Foster, Garth N

    2017-01-01

    The Hydroporus memnonius species group includes both widespread and range restricted diving beetle taxa in the western Palaearctic, some of which have been divided into a number of geographical subspecies. Of these, Hydroporus necopinatus is distributed in the far west of Europe, from central Spain to southern Britain, and has been split into three subspecies, occurring in Iberia (necopinatus sst.), France (robertorum) and England (roni) respectively-the last of these being a rare example of an insect taxon apparently endemic to northern Europe. Here we explore inter-relationships between populations and subspecies of H. necopinatus and related members of the Hydroporus melanarius subgroup, using mitochondrial COI sequence data. We reveal widespread discordance between mitochondrial DNA sequence variation and morphology in areas where H. necopinatus and H. melanarius come into contact, consistent with historical introgressive hybridization between these taxa. In light of this discordance, the lack of clear genetic divergence between H. necopinatus subspecies, and the fact that both robertorum and roni are morphologically intermediate between H. necopinatus sstr. and H. melanarius, we suggest that these taxa may be of hybridogenic origin, rather than representing discrete evolutionary lineages.

  12. An apposition-like compound eye with a layered rhabdom in the small diving beetle Agabus japonicus (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Jia, Lei-Po; Liang, Ai-Ping

    2014-11-01

    The fine structure of the compound eyes of the adult diving beetle Agabus japonicus is described with light, scanning, and transmission electron microscopy. The eye of A. japonicus is mango-shaped and consists of about 985 ommatidia. Each ommatidium is composed of a corneal facet lens, an eucone type of crystalline cone, a fused layered rhabdom with a basal rhabdomere, seven retinula cells (including six distal cells and one basal cell), two primary pigment cells and an undetermined number of secondary pigment cells that are restricted to the distalmost region of the eye. A clear-zone, separating dioptric apparatus from photoreceptive structures, is not developed and the eye thus resembles an apposition eye. The cross-sectional areas of the rhabdoms are relatively large indicative of enhanced light-sensitivity. The distal and central region of the rhabdom is layered with interdigitating microvilli suggesting polarization sensitivity. According to the features mentioned above, we suggest that 1) the eye, seemingly of the apposition type, occurs in a taxon for which the clear-zone (superposition) eye is characteristic; 2) the eye possesses adaptations to function in a dim-light environment; 3) the eye may be sensitive to underwater polarized light or linearly water-reflected polarized light. © 2014 Wiley Periodicals, Inc.

  13. Changing Names with Changed Address: Integrated Taxonomy and Species Delimitation in the Holarctic Colymbetes paykulli Group (Coleoptera: Dytiscidae.

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    Marcus K Drotz

    Full Text Available Species delimitation of geographically isolated forms is a long-standing problem in less studied insect groups. Often taxonomic decisions are based directly on morphologic variation, and lack a discussion regarding sample size and the efficiency of migration barriers or dispersal/migration capacity of the studied species. These problems are here exemplified in a water beetle complex from the Bering Sea region that separates North America from Eurasia. Only a few sampled specimens occur from this particular area and they are mostly found in museum and private collections. Here we utilize the theory of integrated taxonomy to discuss the speciation of the Holarctic Colymbetes paykulli water beetle complex, which historically has included up to five species of which today only two are recognized. Three delimitation methods are used; landmark based morphometry of body shape, variation in reticulation patterns of the pronotum exo-skeleton and sequence variation of the partial mitochondrial gene Cyt b. Our conclusion is that the Palearctic and Nearctic populations of C. paykulli are given the status of separate species, based on the fact that all methods showed significant separation between populations. As a consequence the name of the Palearctic species is C. paykulli Erichson and the Nearctic species should be known as C. longulus LeConte. There is no clear support for delineation between Palearctic and Nearctic populations of C. dahuricus based on mtDNA. However, significant difference in size and reticulation patterns from the two regions is shown. The combined conclusion is that the C. dahuricus complex needs a more thorough investigation to fully disentangle its taxonomic status. Therefore it is here still regarded as a Holarctic species. This study highlights the importance to study several diagnosable characters that has the potential to discriminate evolutionary lineage during speciation.

  14. In or Out-of-Madagascar?—Colonization Patterns for Large-Bodied Diving Beetles (Coleoptera: Dytiscidae)

    Science.gov (United States)

    Bukontaite, Rasa; Ranarilalatiana, Tolotra; Randriamihaja, Jacquelin Herisahala; Bergsten, Johannes

    2015-01-01

    High species diversity and endemism within Madagascar is mainly the result of species radiations following colonization from nearby continents or islands. Most of the endemic taxa are thought to be descendants of a single or small number of colonizers that arrived from Africa sometime during the Cenozoic and gave rise to highly diverse groups. This pattern is largely based on vertebrates and a small number of invertebrate groups. Knowledge of the evolutionary history of aquatic beetles on Madagascar is lacking, even though this species-rich group is often a dominant part of invertebrate freshwater communities in both standing and running water. Here we focus on large bodied diving beetles of the tribes Hydaticini and Cybistrini. Our aims with this study were to answer the following questions 1) How many colonization events does the present Malagasy fauna originate from? 2) Did any colonization event lead to a species radiation? 3) Where did the colonizers come from—Africa or Asia—and has there been any out-of-Madagascar event? 4) When did these events occur and were they concentrated to any particular time interval? Our results suggest that neither in Hydaticini nor in Cybistrini was there a single case of two or more endemic species forming a monophyletic group. The biogeographical analysis indicated different colonization histories for the two tribes. Cybistrini required at least eight separate colonization events, including the non-endemic species, all comparatively recent except the only lotic (running water) living Cybister operosus with an inferred colonization at 29 Ma. In Hydaticini the Madagascan endemics were spread out across the tree, often occupying basal positions in different species groups. The biogeographical analyses therefore postulated the very bold hypothesis of a Madagascan origin at a very deep basal node within Hydaticus and multiple out-of-Madagascar dispersal events. This hypothesis needs to be tested with equally intense taxon sampling of mainland Africa as for Madagascar. PMID:25794184

  15. Canthyporus reebae sp. nov. from the Itremo and Andringitra mountains of central eastern Madagascar (Coleoptera: Dytiscidae: Hydroporinae).

    Science.gov (United States)

    Manuel, Michaël; Ramahandrison, Andriamirado T

    2017-06-01

    Canthyporus reebae sp. nov. is described from the south-eastern part of the Itremo mountain range and from the Andringitra massif in central eastern Madagascar. The new species is the second one of the genus Canthyporus Zimmermann, 1919 to be recorded from Madagascar, the other being C. pauliani Guignot, 1951, so far endemic to the northern massif of Tsaratanana. The habitus and male and female reproductive structures of the new species are illustrated. Canthyporus reebae sp. nov. differs from C. pauliani notably by larger size, less parallel-sided and more evenly convex habitus, paler pronotum, more weakly impressed body surface reticulation, and a different shape of the median lobe of aedeagus. Differences with similar C. hottentottus-group species from mainland Africa are also discussed. Data on habitat preferences of C. reebae sp. nov. and a distribution map of Malagasy Canthyporus are presented and discussed.

  16. Coleópteros acuáticos de lagunas situadas en el noroeste de la provincia de Corrientes, Argentina Aquatic Coleoptera from ponds in the northwest of Corrientes Province, Argentina

    Directory of Open Access Journals (Sweden)

    María C. Gomez Lutz

    2012-06-01

    Full Text Available El objetivo de este estudio es contribuir al conocimiento de la biodiversidad de coleópteros acuáticos del NE argentino. Los sitios de muestreo corresponden a dos lagunas permanentes ubicadas en el departamento Capital de la provincia de Corrientes, Argentina. Los muestreos fueron realizados desde octubre de 2010 a marzo de 2011. En total, 107 especies de coleópteros, incluidas en 40 géneros y ocho familias fueron registradas: Haliplidae, Dytiscidae, Noteridae, Dryopidae, Hydrochidae, Hydrophilidae, Limnichidae y Scirtidae. La especie Berosus hamatus Knisch es un nuevo registro para la Argentina. Dos familias (Haliplidae y Dryopidae, cuatro géneros (Haliplus Latreille; Pelonomus Erichson, Onopelmus Spangler, Phaenonotum Sharp y 14 especies son citados por primera vez para la provincia de Corrientes.This study aims to improve the knowledge of aquatic Coleoptera biodiversity in northeastern Argentina. The sampling sites correspond to two permanent ponds located in the department Capital of Corrientes Province, Argentina. The samples were collected between October 2010 and March 2011. A total of 107 species of beetles, including 40 genera and 8 families were recorded: Haliplidae, Dytiscidae, Noteridae, Dryopidae, Hydrochidae, Hydrophilidae, Limnichidae and Scirtidae. Berosus hamatus Knisch is a new record for Argentina. Two families (Haliplidae and Dryopidae, four genera (Haliplus Latreille; Pelonomus Erichson, Onopelmus Spangler, Phaenonotum Sharp and 14 species are cited for the first time for Corrientes Province.

  17. Aquatic Coleoptera from Mburucuyá National Park (Corrientes Province, Argentina Los coleópteros acuáticos del Parque Nacional Mburucuyá (Provincia de Corrientes, Argentina

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    Patricia L. M. Torres

    2012-06-01

    Full Text Available A list of the species of aquatic Coleoptera collected in Mburucuyá National Park is presented. One hundred and twenty-eight species included in 44 genera and seven families were identified. Ten species are new for Argentina: Agaporomorphus mecolobus Miller and Bidessonotus obtusatus Régimbart (Dytiscidae; Mesonoterus laevicollis Sharp, Suphisellus hyeroglyphicus Zimmermann, S. rufulus Zimmermann, S. sexnotatus (Régimbart, and Notomicrus traili Sharp (Noteridae; Berosus pluripunctatus Mouchamps, Enochrus guarani Fernández and Helobata corumbaensis Fernández & Bachmann (Hydrophilidae. Two families (Scirtidae and Spercheidae, 12 genera and 69 species are first cited for Corrientes Province.Se presenta una lista de las especies de coleópteros acuáticos colectadas en el Parque Nacional Mburucuyá. Se identificaron 128 especies, incluidas en 44 géneros y siete familias. Diez especies se citan por primera vez para la Argentina: Agaporomorphus mecolobus Miller y Bidessonotus obtusatus Régimbart (Dytiscidae; Mesonoterus laevicollis Sharp, Suphisellus hyeroglyphicus Zimmermann, S. rufulus Zimmermann, S. sexnotatus (Régimbart y Notomicrus traili Sharp (Noteridae; Berosus pluripunctatus Mouchamps, Enochrus guarani Fernández y Helobata corumbaensis Fernández & Bachmann (Hydrophilidae. Dos familias (Scirtidae y Spercheidae, 12 géneros y 69 especies son citados por primera vez para la provincia de Corrientes.

  18. The aquatic Coleoptera of Prince Edward Island, Canada: new records and faunal composition

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    Christopher Majka

    2008-09-01

    Full Text Available The aquatic Coleoptera (Gyrinidae, Haliplidae, Dytiscidae, Hydrophilidae, Elmidae, Dryopidae, Heteroceridae of Prince Edward Island, Canada is surveyed. Seventy-two species are now known to occur on Prince Edward Island, 26 of which are added to the island's faunal list. Three species, Gyrinus aquiris LeConte, Oulimnius latiusculus (LeConte, and Helichus striatus LeConte, are removed since there are no voucher specimens or published records to substantiate their presence. The name Dineutus horni is designated as an incorrect subsequent spelling of Dineutus hornii Roberts, 1895. The composition of the fauna is briefly discussed, both from regional and zoogeographic perspectives. There is only one introduced species, Helophorus grandis Illiger. Only one third of the aquatic fauna recorded on the neighbouring mainland has been found on Prince Edward Island, perhaps reflecting an island-associated diminution, the paucity of collecting, an area effect, or a combination of all these factors. The island faunas of Prince Edward Island, Cape Breton Island, and insular Newfoundland are compared. Prince Edward Island's is 36% smaller than the others, in contrast with the island's carabid fauna which is almost identical in magnitude with that of Cape Breton. This might reflect dispersal obstacles, the relative paucity of aquatic habitats on the island, or an insufficient collecting effort. Further research would be desirable, both to better discern the composition of the province's fauna, as well as to monitor the health of aquatic ecosystems in relation to anthropogenic activities.

  19. Adult Diapause in Coleoptera

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    Ivo Hodek

    2012-01-01

    Full Text Available Recent studies dealing with adult (reproductive diapause in the Coleoptera are reviewed, as a kind of supplement to the classic compendia. In the first two sections, the general characteristics of adult diapause are described and principal terms explained. Original articles dealing with 19 species from nine coleopteran families (Coccinellidae, Chrysomelidae, Bruchidae, Curculionidae, Carabidae, Silphidae, Scolytidae, Scarabaeidae, and Endomychidae are reviewed. Finally attempts are made at generalisations from the papers reviewed, and hypotheses on diapause evolution are inferred. A polyphenic character of diapause is a prominent feature in C. septempunctata and L. decemlineata, but has been found also in other Coleoptera and in insects generally and often generates voltinism heterogeneity within populations.

  20. Coleópteros acuáticos y semiacuáticos del Parque Provincial Salto Encantado y Valle del Cuñá Pirú (Misiones, Argentina Aquatic and semiaquatic Coleoptera from Salto Encantado y Valle del Cuñá Pirú Provincial Park (Misiones, Argentina

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    Liliana A. Fernández

    2008-12-01

    Full Text Available Se presentan los resultados de la recolección de coleópteros acuáticos y semiacuáticos del Parque Provincial Salto Encantado y Valle del Cuñá Pirú, con el objeto de contribuir al conocimiento de la biodiversidad del área protegida mencionada, de la provincia de Misiones. Los sitios de muestreo incluyeron ambientes lóticos y lénticos. Se registraron 74 especies de coleópteros, distribuidas en 44 géneros y 14 familias: Haliplidae, Noteridae, Dytiscidae, Gyrinidae, Hydrochidae, Hydrophilidae, Hydraenidae, Staphylinidae, Scirtidae, Psephenidae, Limnichidae, Lutrochidae, Dryopidae y Elmidae. Se mencionan nuevas citas para la provincia y para la Argentina, así como la presencia de especies nuevas para la ciencia.This paper presents a list of aquatic and semiaquatic Coleoptera collected during a biodiversity study carried out in Salto Encantado and Valle del Cuñá Pirú Provincial Park. This study aims to improve the knowledge of this protected area located in Misiones Province. Permanent and semi-permanent lotic and lentic habitats were sampled. Seventy-four species of beetles in 44 genera and 14 families were recorded: Haliplidae, Noteridae, Dytiscidae, Gyrinidae, Hydrochidae, Hydrophilidae, Hydraenidae, Staphylinidae, Scirtidae, Psephenidae, Limnichidae, Lutrochidae, Dryopidae and Elmidae. New records for the province and for Argentina are listed, and the presence of new species is mentioned.

  1. Relations Between the Structure of Benthic Macro-Invertebrates and the Composition of Adult Water Beetle Diets from the Dytiscidae Family.

    Science.gov (United States)

    Frelik, Anna; Pakulnicka, Joanna

    2015-10-01

    This paper investigates the relations between the diet structure of predaceous adult water beetles from the Dytiscidae family and the structure of macrofauna inhabiting the same environments. The field studies were carried out from April until September in 2012 and 2013 in 1-mo intervals. In total, >1,000 water beetles and 5,115 benthic macro-invertebrates were collected during the whole period of the study. Subsequently, 784 specimens of adult water beetles (70.6% out of the total sampled) with benthic macro-invertebrates found in their proventriculi, were subject to analysis. The predators were divided into three categories depending on their body size: small beetles (2.3-5.0 mm), medium-sized beetles (13-15 mm), and large beetles (27-37 mm). All adult Dytiscidae consumed primarily Ephemeroptera and Chironomidae larvae. Although Asellidae were numerically dominant inhabitants of the sites, the adult water beetles did not feed on them. The analysis of feeding relations between predators and their prey revealed that abundance of Ephemeroptera, Chironomidae, and larval Dytiscidae between the environment and the diet of adult Dytiscidae were strongly correlated. © The Authors 2015. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

  2. Convergence, recurrence and diversification of complex sperm traits in diving beetles (Dytiscidae).

    Science.gov (United States)

    Higginson, Dawn M; Miller, Kelly B; Segraves, Kari A; Pitnick, Scott

    2012-05-01

    Sperm display remarkable morphological diversity among even closely related species, a pattern that is widely attributed to postcopulatory sexual selection. Surprisingly few studies have used phylogenetic analyses to discern the details of evolutionary diversification in ornaments and armaments subject to sexual selection, and the origins of novel sperm traits and their subsequent modification are particularly poorly understood. Here we investigate sperm evolution in diving beetles (Dytiscidae), revealing dramatic diversification in flagellum length, head shape, presence of sperm heteromorphism, and the presence/type of sperm conjugation, an unusual trait where two or more sperm unite for motility or transport. Sperm conjugation was found to be the ancestral condition in diving beetles, with subsequent diversification into three forms, each exhibiting varying degrees of evolutionary loss, convergence, and recurrence. Sperm head shape, but not length or heteromorphism, was found to evolve in a significantly correlated manner with conjugation, consistent with the different mechanisms of head alignment and binding required for the different forms of conjugation. Our study reveals that sperm morphological evolution is channeled along particular evolutionary pathways (i.e., conjugate form), yet subject to considerable diversification within those pathways through modification in sperm length, head shape, and heteromorphism. © 2012 The Author(s). Evolution© 2012 The Society for the Study of Evolution.

  3. ( Procambarus clarkii ) (Crustacea: Cambaridae) and native Dytiscid ...

    African Journals Online (AJOL)

    Comparing macrophyte herbivory by introduced Louisiana crayfish ( Procambarus clarkii ) (Crustacea: Cambaridae) and native Dytiscid beetles ( Cybister tripunctatus ) (Coleoptera: Dytiscidae), in Kenya.

  4. Taxonomic revision of New Guinea diving beetles of the Exocelina danae group, with the description of ten new species (Coleoptera, Dytiscidae, Copelatinae

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    Helena Shaverdo

    2016-09-01

    Full Text Available Ten new species of Exocelina Broun, 1886 from New Guinea are described: E. andakombensis sp. n., E. garaina sp. n., E. injiensis sp. n., E. kabwumensis sp. n., E. marawaga sp. n., E. posmani sp. n., E. tekadu sp. n., E. varirata sp. n., E. wareaga sp. n., and E. woitapensis sp. n. All of them together with five already described species are united into the newly defined E. danae-group (with E. miriae-subgroup, a polyphyletic complex of related species with lateral setation on the median lobe. In the light of newly available material, all previously described species of the E. rivulus-group are considered to belong to a single species, E. damantiensis (Balke, 1998, which is now placed into the E. danae-group, and three new synonyms are therefore proposed: E. madangensis (Balke, 2001 syn. n., E. patepensis (Balke, 1998 syn. n., and E. rivulus (Balke, 1998 syn. n. Exocelina tarmluensis (Balke, 1998 syn. n. is a junior synonym of E. danae (Balke, 1998. Redescription of E. atratus (Balfour-Browne, 1939 is provided based on its type material. An identification key to all known species of the group is provided, and important diagnostic characters are illustrated. Data on the species distribution are given, showing that whilst most species are local endemics, E. damantiensis is extremely widely distributed.

  5. A revision of Meladema diving beetles (Coleoptera, Dytiscidae, with the description of a new species from the central Mediterranean based on molecules and morphology

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    David T. Bilton

    2017-09-01

    Full Text Available Meladema Laporte, 1835 are relatively large, stream-dwelling diving beetles, distributed widely in the Western Palaearctic, from the Atlantic Islands to Turkey, and from southern France and the Balkans to the central Sahara. In addition to the three previously recognised taxa (M. coriacea Laporte, 1835, M. imbricata (Wollaston, 1871 and M. lanio (Fabricius, 1775 we describe a new, cryptic, species from the central Mediterranean area, which can be distinguished from M. coriacea on both DNA sequence data and morphology, and provide a key to known species of the genus. Based on the study of genotyped material, both recent and archival, as well as the examination of a large number of museum specimens, we show that M. lepidoptera sp. n. occurs to the apparent exclusion of M. coriacea on Corsica, Sardinia and islands of the Tuscan Archipelago, but that both taxa are found in peninsular Italy, where they may occasionally hybridize. In the absence of the original type series, we designate a neotype for M. coriacea, and take the opportunity to designate a lectotype for M. lanio. Morphological variation in Meladema species is discussed, including that seen in known and presumed hybrids. Our study highlights the incomplete state of knowledge of Mediterranean biodiversity, even in relatively large, supposedly well-studied taxa.

  6. Description of larvae of Herophydrus musicus (Klug) and analysis of relationships with members of the genus Hygrotus Stephens (Coleoptera: Dytiscidae, Hydroporinae)

    NARCIS (Netherlands)

    Alarie, Y.; Cuppen, J.G.M.; Hendrich, L.; Nilsson, A.N.

    2001-01-01

    Description of the larvae of Herophydrus musicus (Klug, 1833) is presented including a detailed chaetotaxic and porotaxic analysis of the cephalic capsule, head appendages, legs, last abdominal segment and urogomphi. Compared to other genera of the tribe Hydroporini, it is postulated that

  7. Boreonectes gen. n., a new genus for the Stictotarsus griseostriatus (De Geer group of sibling species (Coleoptera: Dytiscidae, with additional karyosystematic data on the group

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    Robert Angus

    2010-12-01

    Full Text Available A new genus, Boreonectes gen. n., is erected for the seven S. griseostriatus-group  species  as  well  as eight other American ones listed by Nilsson and Angus (1992 as comprising the Stictotarsus griseostriatus-group as DNA work by Ribera (2003 shows this arrangement to be untenable, and no other genus-group name has been found to be available. Chromosomal investigations have shown that B. griseostriatus (De Geer, 1774 occurs as far west as the Little St Bernard Pass in the Alps, with B. alpestris (Dutton et Angus, 2007 in the Italian Gran Paradiso National Park to the south of this. B. multilineatus (Falkenström, 1922 is recorded from the Pyrenees for the first time, and B. ibericus (Dutton et Angus, 2007 is shown to be present in the Moyen Atlas of Morocco.

  8. Description of 23 new species of the Exocelinaekari-group from New Guinea, with a key to all representatives of the species group (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Shaverdo, Helena; Sagata, Katayo; Panjaitan, Rawati; Menufandu, Herlina; Balke, Michael

    2014-01-01

    Twenty three new species of Exocelina Broun, 1886 from New Guinea are described herein: Exocelinabewaniensis sp. n., Exocelinabismarckensis sp. n., Exocelinacraterensis sp. n., Exocelinagorokaensis sp. n., Exocelinaherowana sp. n., Exocelinajimiensis sp. n., Exocelinakisli sp. n., Exocelinaksionseki sp. n., Exocelinalembena sp. n., Exocelinamantembu sp. n., Exocelinamichaelensis sp. n., Exocelinapinocchio sp. n., Exocelinapseudoastrophallus sp. n., Exocelinapseudobifida sp. n., Exocelinapseudoedeltraudae sp. n., Exocelinapseudoeme sp. n., Exocelinasandaunensis sp. n., Exocelinasimbaiarea sp. n., Exocelinaskalei sp. n., Exocelinatabubilensis sp. n., Exocelinatariensis sp. n., Exocelinavovai sp. n., and Exocelinawannangensis sp. n. All of them have been found to belong to the Exocelinaekari-group. An identification key to all known species of the group is provided, and important diagnostic characters (habitus, color, male antennae, protarsomeres 4-5, median lobes, and parameres) are illustrated. Data on the distribution of the new species and some already described species are given.

  9. A review of the Neotropical genus Bidessodes Régimbart, 1895 including description of four new species (Coleoptera, Adephaga, Dytiscidae, Hydroporinae, Bidessini

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    Kelly B. Miller

    2017-02-01

    Full Text Available The Neotropical genus Bidessodes Régimbart, 1895 is reviewed. Four new species are described, B. chlorus Miller, sp. n., B. erythros Miller, sp. n., B. leukus Miller, sp. n., and B. melas Miller, sp. n., bringing the total number of species in the genus to 20. A key to species is provided. Important diagnostic features are illustrated and described and distributions of all species based on examined specimens and published records are provided. Recognition of the subgenera of Bidessodes is not justified, and the two names Hughbosdineus Spangler, 1981 syn. n. and Youngulus Spangler, 1981 syn. n., described at the genus rank, are placed in synonymy with Bidessodes.

  10. A new genus and two new species of Southeast Asian Bidessini as well as new synonyms for Oceanian species (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Balke, Michael; Bergsten, Johannes; Wang, Liang-Jong; Hendrich, Lars

    2017-01-01

    Rompindessus jenisi Balke, Bergsten & Hendrich, gen. n. et sp. n. is described from near Rompin village in West Malaysia. The new genus is characterized by the presence of an occipital line and basal pronotal striae, the presence of a thick anterior bead on clypeus and two-segmented parameres as well as by the absence of basal elytral striae, the absence of sutural line on elytron, the absence of basal epipleural transverse carina, and the absence of longitudinal elytral carina. Moreover, male pro- and mesotarsus appear stout, and distinctly dilated laterally; the pronotum is comparably long and parallel-sided and the colour of beetle conspicuous dark orange. Leiodytes kualalipis Balke, Wang, Bergsten & Hendrich, sp. n. is described from West Malaysia (Pahang) and South Vietnam (Cat Tien). It is well characterized by its large size, elongate body and the form of the median lobe. Limbodessus fijiensis (J. Balfour-Browne, 1944), comb. n. described from Fiji is a new synonym of Limbodessus curviplicatus (Zimmermann, 1927) described from Samoa.

  11. Revision of Australian Matini diving beetles based on morphological and molecular data (Coleoptera, Dytiscidae, Matinae, with description of a new species

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    Lars Hendrich

    2013-04-01

    Full Text Available Morphological characters and mitochondrial DNA sequence data were used to revise the Australian diving beetles in the genera Allomatus Mouchamps, 1964 and Batrachomatus Clark, 1863. As a result of these studies Allomatus syn. n. is synonymised with Batrachomatus, and Allomatus nannup Watts, 1978 from SW Australia and A. wilsoni Mouchamps, 1964 from SE Victoria are transferred to Batrachomatus. The four Australian Matini species known so far are re-described, and B. larsoni sp. n. from the Windsor Tableland in NE Queensland is described. After more than 40 years B. wilsoni has been re-discovered in two rivers in Victoria. We delineate the species using traditionally employed morphological structures such as in the male genitalia and body size, shape and colour pattern, as well as mitochondrial cox1 sequence data for 20 individuals. Important species characters (median lobes, parameres and colour patterns were illustrated. We provide an identification key and outline distribution and habitat preferences of each species. All Australian Matini are lotic, inhabiting permanent and intermittent streams, creeks and rivers.

  12. Taxonomic revision of New Guinea diving beetles of the Exocelina danae group, with the description of ten new species (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Shaverdo, Helena; Sagata, Katayo; Balke, Michael

    2016-01-01

    Ten new species of Exocelina Broun, 1886 from New Guinea are described: Exocelina andakombensissp. n., Exocelina garainasp. n., Exocelina injiensissp. n., Exocelina kabwumensissp. n., Exocelina marawagasp. n., Exocelina posmanisp. n., Exocelina tekadusp. n., Exocelina variratasp. n., Exocelina wareagasp. n., and Exocelina woitapensissp. n. All of them together with five already described species are united into the newly defined Exocelina danae-group (with Exocelina miriae-subgroup), a polyphyletic complex of related species with lateral setation on the median lobe. In the light of newly available material, all previously described species of the Exocelina rivulus-group are considered to belong to a single species, Exocelina damantiensis (Balke, 1998), which is now placed into the Exocelina danae-group, and three new synonyms are therefore proposed: Exocelina madangensis (Balke, 2001) syn. n., Exocelina patepensis (Balke, 1998) syn. n., and Exocelina rivulus (Balke, 1998) syn. n. Exocelina tarmluensis (Balke, 1998) syn. n. is a junior synonym of Exocelina danae (Balke, 1998). Redescription of Exocelina atratus (Balfour-Browne, 1939) is provided based on its type material. An identification key to all known species of the group is provided, and important diagnostic characters are illustrated. Data on the species distribution are given, showing that whilst most species are local endemics, Exocelina damantiensis is extremely widely distributed.

  13. Descriptions of two new species and one new subspecies from the Exocelina okbapensis-group, and notes on the E. aipo-group (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Shaverdo, Helena; Sumoked, Bob; Balke, Michael

    2017-01-01

    Two new species and one new subspecies of Exocelina Broun, 1886 from New Guinea are described: E. okbapensis Shaverdo & Balke, sp. n., E. okbapensis hajeki Shaverdo & Balke, ssp. n., and E. may Shaverdo & Balke, sp. n. These and two already described species are assigned to the E. okbapensis-group, which is morphologically (based on setation of the paramere) and phylogenetically close to the E. aipo-group. On the latter, morphological and taxonomic notes are provided. An identification key to all known species of the groups is presented, and important diagnostic characters are illustrated. Data on the species distributions are mapped and show that the species occur only in the central mountain part of the island restricted by Wamena in the west and Sandaun Province in the east.

  14. A revision of Meladema diving beetles (Coleoptera, Dytiscidae), with the description of a new species from the central Mediterranean based on molecules and morphology.

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    Bilton, David T; Ribera, Ignacio

    2017-01-01

    Meladema Laporte, 1835 are relatively large, stream-dwelling diving beetles, distributed widely in the Western Palaearctic, from the Atlantic Islands to Turkey, and from southern France and the Balkans to the central Sahara. In addition to the three previously recognised taxa (M. coriacea Laporte, 1835, M. imbricata (Wollaston, 1871) and M. lanio (Fabricius, 1775)) we describe a new, cryptic, species from the central Mediterranean area, which can be distinguished from M. coriacea on both DNA sequence data and morphology, and provide a key to known species of the genus. Based on the study of genotyped material, both recent and archival, as well as the examination of a large number of museum specimens, we show that M. lepidopterasp. n. occurs to the apparent exclusion of M. coriacea on Corsica, Sardinia and islands of the Tuscan Archipelago, but that both taxa are found in peninsular Italy, where they may occasionally hybridize. In the absence of the original type series, we designate a neotype for M. coriacea, and take the opportunity to designate a lectotype for M. lanio. Morphological variation in Meladema species is discussed, including that seen in known and presumed hybrids. Our study highlights the incomplete state of knowledge of Mediterranean biodiversity, even in relatively large, supposedly well-studied taxa.

  15. Transformation of steroids by Bacillus strains isolated from the foregut of water beetles (Coleoptera: Dytiscidae): II. Metabolism of 3 beta-hydroxypregn-5-en-20-one (pregnenolone).

    Science.gov (United States)

    Schaaf, O; Dettner, K

    2000-12-15

    The in vitro metabolism of pregnenolone by two Bacillus strains (HA-V6-3 and HA-V6-11) isolated from the foregut of the water beetle Agabus affinis (Payk.) was examined in the course of our studies about a possible participation of gut micro-organisms in the biosynthesis of prothoracic defensive steroids of dytiscids. The transformation products were identified by EI GC--MS of culture extracts after derivatization. The dominating reactions were hydroxylations, with 7 alpha-hydroxypregnenolone as the major product. With considerably lower yields, 7 beta- and 15xi-hydroxypregenolone were formed by both strains, while 11, 17 and 16 alpha-hydroxypregnenolone were produced only by HA-V6-3. The occurrence of 7, 11 alpha- and 7 beta, 11 alpha-dihydroxypregnenolone as well as several minor products containing a 17 alpha-OH group proved the capability of HA-V6-11 to hydroxylate pregenenolone at C(11) and C(17) as well. The monohydroxylated 7-OH-pregnenolones were partly oxidized to 7-oxopregnenolone by both strains. In trace amounts, HA-V6-3 performed 3 beta-acetylation of pregnenolone.

  16. A new semi-subterranean diving beetle of the Hydroporus normandi-complex from south-eastern France, with notes on other taxa of the complex (Coleoptera: Dytiscidae).

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    Manuel, Michael

    2013-01-01

    Hydroporus galloprovincialis sp. n. is described from Jouques, north-east of Aix-en-Provence in south-eastern France (Provence). The new species belongs to the Hydroporus memnonius-group, within which it is the only ascertained normandi-complex species of the French fauna. The habitat (small springs) and morphological features of the species suggest a semi-subterranean life style. It can be separated from the other species of the complex notably by its more elongated and parallel-sided habitus, by its wider pronotum and flatter dorsal surface, and furthermore differs from H. normandi Régimbart, 1903 by a different shape of the gonocoxa. Illustrations are provided for other described normandi-complex species and subspecies for comparison. Analyses of partial cox1 sequences indicate that the three sampled H. normandi-complex species (H. galloprovincialis sp. n., H. normandi and H. lluci Fery, 1999) diverged recently; their relationships are unresolved. H. galloprovincialis sp. n. is for the moment the only species of the genus Hydroporus Clairville, 1806 endemic to continental France.

  17. A report of an aquatic beetle Eretes griseus (Fabricius, 1781 (Coleoptera: Dytiscidae: Dytiscinae: Eretini from the Western Ghats and other parts of Maharashtra, India

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    Sayali D. Sheth

    2014-11-01

    Full Text Available This note is the first authentic record of the dytiscid species Eretes griseus (Fabricius, 1781 from the Western Ghats of Maharashtra, India. It was found only from three localities (essentially isolated temporary pools out of 50+ localities sampled so far in the year 2013-2014. We provide light microscopic images of the habitus, SEM images of important diagnostic characteristics and also clarify the status and distribution of this species in India. 

  18. [A novel, unusual (at least for beetles) mode of Kenyon cell production in the diving beetle Cybister laterlimarginalis Deg. (Coleoptera: Dytiscidae)].

    Science.gov (United States)

    Panov, A A

    2014-01-01

    Kenyon cell production in the mushroom bodies of Cybister lateralimarginalis is a peculiar process. It has been found that each proliferative center contains one giant neuroblast, which divides unequally, and its smaller daughter cell becomes the 2nd order neuroblast dividing unequally as well. The smaller daughter cell of this neuroblast becomes a ganglion mother cell. The latter, as usual, divides equally producing two Kenyon cells.

  19. Experimental evidence on actuation and performance of the elytron-to-body articulation in a diving beetle, Cybister laterimarginalis (Coleoptera, Dytiscidae).

    Science.gov (United States)

    Frantsevich, Leonid

    2012-12-01

    Movements of the elytra and axillary sclerites were video recorded in tethered flying beetles and in manipulated mounts. Mesothoracic axillary plates are homologues of those in the metathorax. Two anterior axillaries (Ax1, Ax2) fuse together; they are hinged to the third axillary plate (Ax3). In turn, Ax3 is hinged with the elytron. During takeoff, a beetle abducts and highly elevates its elytra (1), then droops the elytra in a flatly spread position (2); closing is adduction in a horizontal plane (3). These steps have been simulated: (1) by pressing down the anterior horn; (2) occurred spontaneously after release of pressing; (3) the elytron closed flatly either by manual turn of the elytron or by manual elevation of the prothorax. Anterior axillaries rotated forward and down during (1), returned during (2) and remained immobile during closing. Ax3 is folded between the closed elytron and Ax1+Ax2; it unfolds during opening. Two hinges of Ax3 form a Z-configuration and provide a linked drive for complicated rotation of the elytron. Opening was impaired in vivo if tergal leg protractor and depressor were disabled, closing did not suffer. Closing was prevented by excision in the hind edge of the pronotum, not harmful for opening. Role of direct and indirect muscles in transient elytral movements is discussed. Copyright © 2012 Elsevier Ltd. All rights reserved.

  20. Transformation of steroids by Bacillus strains isolated from the foregut of water beetles (Coleoptera:Dytiscidae): I. Metabolism of androst-4-en-3,17-dione (AD).

    Science.gov (United States)

    Schaaf, O; Dettner, K

    1998-12-01

    Two Bacillus strains were isolated from the foregut of the water beetle Agabus affinis (Payk.) and tested for their steroid transforming ability. After incubation with androst-4-en-3,17-dione (AD), 13 different transformation products were detected. AD was hydroxylated at C6, C7, C11 and C14, resulting in formation of 6beta-, 7alpha-, 11alpha- and 14alpha-hydroxy-AD. One strain also produced small amounts of 6beta,14alpha-dihydroxy-AD. Partly, the 6beta-hydroxy group was further oxidized to the corresponding 6-oxo steroids. In addition, a specific reduction of the delta4-double bond was observed, leading to the formation of 5alpha-androstane derivatives. In minor yields the carbonyl functions at C3 and C17 were reduced leading to the formation of 3zeta-OH or 17beta-OH steroids. EI mass spectra of the trimethylsilyl and O-methyloxime trimethylsilyl ether derivatives of some transformation products are presented for the first time.

  1. New species of Bidessonotus Régimbart, 1895 with a review of the South American species (Coleoptera, Adephaga, Dytiscidae, Hydroporinae, Bidessini).

    Science.gov (United States)

    Miller, Kelly B

    2016-01-01

    The South American species of the New World genus Bidessonotus Régimbart, 1895 are reviewed with descriptions of seven new species. This brings the total number of valid Bidessonotus species to 37, making it the largest Bidessini genus in the New World. The new species are Bidessonotus annaesp. n. (Venezuela), Bidessonotus josiahisp. n. (Venezuela), Bidessonotus palecephalussp. n. (Venezuela), Bidessonotus reductussp. n. (Venezuela), Bidessonotus septimussp. n. (Venezuela), Bidessonotus spinosussp. n. (Venezuela), and Bidessonotus valdezisp. n. (Guyana, Suriname). New distribution records are provided for many other South American Bidessonotus species. The main diagnostic features of Bidessonotus species are in the male genitalia, and these are illustrated for all South American species. Diagnostic features, distributions (including distribution maps), and additional comments are provided for all South American species.

  2. Spatial distribution of opsin-encoding mRNAs in the tiered larval retinas of the sunburst diving beetle Thermonectus marmoratus (Coleoptera: Dytiscidae).

    Science.gov (United States)

    Maksimovic, Srdjan; Cook, Tiffany A; Buschbeck, Elke K

    2009-12-01

    Larvae of the sunburst diving beetle, Thermonectus marmoratus, have a cluster of six stemmata (E1-6) and one eye patch on each side of the head. Each eye has two retinas: a distal retina that is closer to the lens, and a proximal retina that lies directly underneath. The distal retinas of E1 and E2 are made of a dorsal and a ventral stack of at least twelve photoreceptor layers. Could this arrangement be used to compensate for lens chromatic aberration, with shorter wavelengths detected by the distal layers and longer wavelengths by the proximal layers? To answer this question we molecularly identified opsins and their expression patterns in these eyes. We found three opsin-encoding genes. The distal retinas of all six eyes express long-wavelength opsin (TmLW) mRNA, whereas the proximal retinas express ultraviolet opsin (TmUV I) mRNA. In the proximal retinas of E1 and E2, the TmUV I mRNA is expressed only in the dorsal stack. A second ultraviolet opsin mRNA (TmUV II), is expressed in the proximal retinas of E1 and E2 (both stacks). The finding that longer-wavelength opsins are expressed distally to shorter-wavelength opsins makes it unlikely that this retinal arrangement is used to compensate for lens chromatic aberration. In addition, we also described opsin expression patterns in the medial retina of E1 and in the non-tiered retina of the lensless eye patch. To our knowledge, this is also the first report of multiple UV opsins being expressed in the same stemma.

  3. Descriptions of two new species and one new subspecies from the Exocelina okbapensis-group, and notes on the E. aipo-group (Coleoptera, Dytiscidae, Copelatinae

    Directory of Open Access Journals (Sweden)

    Helena Shaverdo

    2017-11-01

    Full Text Available Two new species and one new subspecies of Exocelina Broun, 1886 from New Guinea are described: E. okbapensis Shaverdo & Balke, sp. n., E. okbapensis hajeki Shaverdo & Balke, ssp. n., and E. may Shaverdo & Balke, sp. n. These and two already described species are assigned to the E. okbapensis-group, which is morphologically (based on setation of the paramere and phylogenetically close to the E. aipo-group. On the latter, morphological and taxonomic notes are provided. An identification key to all known species of the groups is presented, and important diagnostic characters are illustrated. Data on the species distributions are mapped and show that the species occur only in the central mountain part of the island restricted by Wamena in the west and Sandaun Province in the east.

  4. New species of Bidessonotus Régimbart, 1895 with a review of the South American species (Coleoptera, Adephaga, Dytiscidae, Hydroporinae, Bidessini

    Directory of Open Access Journals (Sweden)

    Kelly Miller

    2016-10-01

    Full Text Available The South American species of the New World genus Bidessonotus Régimbart, 1895 are reviewed with descriptions of seven new species. This brings the total number of valid Bidessonotus species to 37, making it the largest Bidessini genus in the New World. The new species are B. annae sp. n. (Venezuela, B. josiahi sp. n. (Venezuela, B. palecephalus sp. n. (Venezuela, B. reductus sp. n. (Venezuela, B. septimus sp. n. (Venezuela, B. spinosus sp. n. (Venezuela, and B. valdezi sp. n. (Guyana, Suriname. New distribution records are provided for many other South American Bidessonotus species. The main diagnostic features of Bidessonotus species are in the male genitalia, and these are illustrated for all South American species. Diagnostic features, distributions (including distribution maps, and additional comments are provided for all South American species.

  5. Revision of Australian Matini diving beetles based on morphological and molecular data (Coleoptera, Dytiscidae, Matinae), with description of a new species.

    Science.gov (United States)

    Hendrich, Lars; Balke, Michael

    2013-01-01

    Morphological characters and mitochondrial DNA sequence data were used to revise the Australian diving beetles in the genera Allomatus Mouchamps, 1964 and Batrachomatus Clark, 1863. As a result of these studies Allomatus syn. n. is synonymised with Batrachomatus, and Allomatus nannup Watts, 1978 from SW Australia and Allomatus wilsoni Mouchamps, 1964 from SE Victoria are transferred to Batrachomatus. The four Australian Matini species knownso far are re-described, and Batrachomatus larsoni sp. n. from the Windsor Tableland in NE Queensland is described. After more than 40 years Batrachomatus wilsoni has been re-discovered in two rivers in Victoria. We delineate the species using traditionally employed morphological structures such as in the male genitalia and body size, shape and colour pattern, as well as mitochondrial cox1 sequence data for 20 individuals. Important species characters (median lobes, parameres and colour patterns) were illustrated. We provide an identification key and outline distribution and habitat preferences of each species. All Australian Matini are lotic, inhabiting permanent and intermittent streams, creeks and rivers.

  6. Description of 23 new species of the Exocelina ekari-group from New Guinea, with a key to all representatives of the species group (Coleoptera, Dytiscidae, Copelatinae

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    Helena Shaverdo

    2014-12-01

    Full Text Available Twenty three new species of Exocelina Broun, 1886 from New Guinea are described herein: E. bewaniensis sp. n., E. bismarckensis sp. n., E. craterensis sp. n., E. gorokaensis sp. n., E. herowana sp. n., E. jimiensis sp. n., E. kisli sp. n., E. ksionseki sp. n., E. lembena sp. n., E. mantembu sp. n., E. michaelensis sp. n., E. pinocchio sp. n., E. pseudoastrophallus sp. n., E. pseudobifida sp. n., E. pseudoedeltraudae sp. n., E. pseudoeme sp. n., E. sandaunensis sp. n., E. simbaiarea sp. n., E. skalei sp. n., E. tabubilensis sp. n., E. tariensis sp. n., E. vovai sp. n., and E. wannangensis sp. n. All of them have been found to belong to the E. ekari-group. An identification key to all known species of the group is provided, and important diagnostic characters (habitus, color, male antennae, protarsomeres 4–5, median lobes, and parameres are illustrated. Data on the distribution of the new species and some already described species are given.

  7. Stictonectes abellani sp. n. (Coleoptera: Dytiscidae: Hydroporinae) from the Iberian Peninsula, with notes on the phylogeny, ecology and distribution of the Iberian species of the genus.

    Science.gov (United States)

    Millán, Andrés; Picazo, Félix; Fery, Hans; Moreno, José Luis; Sánchez-Fernández, David

    2013-12-09

    Stictonectes abellani sp. n. is described from the Iberian Peninsula. On average, the new species is larger and the colouration of the upper surface darker than in most other species of the genus. Seemingly the species has been confounded with others in the past, particularly S. optatus (Seidlitz, 1887). Males can be separated from externally similar species by studying the shape of the parameres. Additionally, the anterior margin of the clypeus is provided with a distinct rim in both sexes, which is absent or only weakly present in other species. The habitus and the male genitalia of the new species are illustrated, and compared with those of S. optatus. External morphological differences from other members of the genus are discussed. According to studies of the molecular phylogeny, based on fragments of four mitochondrial genes, S. abellani sp. n. is clearly separated from previously described species of Stictonectes Brinck, 1943, apparently being relatively basal within the genus. The new species is rather widely distributed in the south-western part of the Iberian Peninsula, inhabiting pools in small temporary siliceous streams. We provide distributional maps for all eight Iberian Stictonectes and estimate the potential distributional areas of the new species and the other two endemic Iberian species S. occidentalis Fresneda & Fery, 1990 and S. rebeccae Bilton, 2011, based on environmental niche modelling. 

  8. A review of the Neotropical genus Bidessodes Régimbart, 1895 including description of four new species (Coleoptera, Adephaga, Dytiscidae, Hydroporinae, Bidessini).

    Science.gov (United States)

    Miller, Kelly B

    2017-01-01

    The Neotropical genus Bidessodes Régimbart, 1895 is reviewed. Four new species are described, Bidessodes chlorus Miller, sp. n., Bidessodes erythros Miller, sp. n., Bidessodes leukus Miller, sp. n., and Bidessodes melas Miller, sp. n., bringing the total number of species in the genus to 20. A key to species is provided. Important diagnostic features are illustrated and described and distributions of all species based on examined specimens and published records are provided. Recognition of the subgenera of Bidessodes is not justified, and the two names Hughbosdineus Spangler, 1981 syn. n. and Youngulus Spangler, 1981 syn. n., described at the genus rank, are placed in synonymy with Bidessodes.

  9. A new species of Desmopachria Babington (Coleoptera: Dytiscidae) from Cuba with a prediction of its geographic distribution and notes on other Cuban species of the genus.

    Science.gov (United States)

    Megna, Yoandri S; Sánchez-Fernández, David

    2014-01-10

    A new species, Desmopachria andreae sp. n. is described from Cuba. Diagnostic characters including illustrations of male genitalia are provided and illustrated for the five species of the genus occurring on the island. For these five species both a simple key to adults and maps of their known distribution in Cuba are also provided. Using a Maximun Entropy method (MaxEnt), a distribution model was developed for D. andreae sp.n. Based on the model's predictions, this species has a higher probability of occurring in high altitude forests (above 1000 m a.s.l.), characterised by relatively low temperatures especially during the hottest and wettest seasons, specifically, the mountainous areas of the Macizo de Guamuhaya (Central Cuba), Sierra Maestra (S Cuba) and Nipe-Sagua-Baracoa (NE Cuba). In some of these areas the species has not yet been recorded, and should be searched for in future field surveys.

  10. A new genus and two new species of Southeast Asian Bidessini as well as new synonyms for Oceanian species (Coleoptera, Dytiscidae

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    Michael Balke

    2017-01-01

    Full Text Available Rompindessus jenisi Balke, Bergsten & Hendrich, gen. n. et sp. n. is described from near Rompin village in West Malaysia. The new genus is characterized by the presence of an occipital line and basal pronotal striae, the presence of a thick anterior bead on clypeus and two-segmented parameres as well as by the absence of basal elytral striae, the absence of sutural line on elytron, the absence of basal epipleural transverse carina, and the absence of longitudinal elytral carina. Moreover, male pro- and mesotarsus appear stout, and distinctly dilated laterally; the pronotum is comparably long and parallel-sided and the colour of beetle conspicuous dark orange. Leiodytes kualalipis Balke, Wang, Bergsten & Hendrich, sp. n. is described from West Malaysia (Pahang and South Vietnam (Cat Tien. It is well characterized by its large size, elongate body and the form of the median lobe. Limbodessus fijiensis (J. Balfour-Browne, 1944, comb. n. described from Fiji is a new synonym of Limbodessus curviplicatus (Zimmermann, 1927 described from Samoa.

  11. (coleoptera: curculionidae) to beauveria bassiana and metarhizium ...

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    SUSCEPTIBILITY OF SITOPHILUS ZEAMAIS (MOSTCH.) (COLEOPTERA: CURCULIONIDAE) TO BEAUVERIA BASSIANA AND METARHIZIUM ANISOPLIAE. Addis Teshome1 and Tadele Tefera 2, ∗. 1 Ethiopian Institute of Agricultural Research, Bako Research Centre, PO Box 2003, Addis Ababa, Ethiopia. 2 Department ...

  12. Diving beetles (Dytiscidae) as predators of mosquito larvae (Culicidae) in field experiments and in laboratory tests of prey preference.

    Science.gov (United States)

    Lundkvist, E; Landin, J; Jackson, M; Svensson, C

    2003-06-01

    Field experiments were performed in artificial ponds to evaluate how the density of predatory diving beetles (Dytiscidae) would affect the population levels of mosquito larvae (Culicidae). Mosquitoes colonizing the ponds were predominantly species of the genus Culex. In 2000, most of the dytiscids colonizing the ponds were small (Hydroporus spp.), and these predators had no impact on the size of larval mosquito populations, not even in ponds with added dytiscids. In 2001, larger beetles (Ilybius, Rhantus, and Agabus spp.) were more common, and there were significantly fewer mosquito larvae in ponds with the highest numbers of dytiscids. There was a negative correlation between numbers of diving beetles in the ponds and the mean body length of mosquito larvae. In neither year could dytiscid densities be maintained above a certain level owing to emigration. In laboratory tests, there were marked differences between three common dytiscid species in regard to preferences for Daphnia and Culex species as prey: Colymbetes paykulli Erichson chose mosquito larvae more often, whereas both Ilybius ater (De Geer) and I. fuliginosus (Fabricius) preferred Daphnia spp. All of the tested dytiscids consumed large numbers of prey. Since some dytiscid species can efficiently decrease populations of mosquito larvae, they are probably important in the natural control of these dipterans.

  13. Remedial Investigation/Feasibility Study, Operable Unit 5, Elmendorf AFB, Anchorage, Alaska. Volume 2. Text and Appendices A - J

    Science.gov (United States)

    1994-03-04

    Muscidae Lirnnophora sp. Psychodidae Perico’na sp. Simul iidae Cnephia sp.1 Tipul idae Dicranota sp. Ormosia sp. Col eapt era Dytiscidae Acililus sp...iidae Cnephia sp. 4 1 3 8 Tipulidae Dicranota sp. Ormosia sp. Coleoptera Dytiscidae Acililus sp. Dytiscus sp. MOLLUSCA Gastropoda Planorbidae Gyraulus...Ormosia sp. Coleoptera. Dytiscidae Acililus sp. Dytiscus sp. HOLLUSCA Gastropoda Planorbidae Gyraulus (Torquis )sp. Pel ecypoda Sphaeri idae Pisidium

  14. MtDNA phylogeny and biogeography of Copelatinae, a highly diverse group of tropical diving beetles (Dytiscidae).

    Science.gov (United States)

    Balke, Michael; Ribera, Ignacio; Vogler, Alfried P

    2004-09-01

    Copelatinae is a diverse lineage of diving beetles (Dytiscidae) frequently encountered in wet tropical and subtropical forests, but phylogenetic relationships are very poorly understood. We performed a phylogenetic and biogeographic analysis of this worldwide distributed group based on 50 species including a representative sample of major taxonomic groups and biogeographical regions. DNA sequences were obtained for the mitochondrial genes cytochrome oxidase I, cytochrome b, and 16S rRNA, for a total of 1575 aligned nucleotide positions. We found Copelatinae to be monophyletic, placed in a derived position and not sister to all remaining dytiscids, as had been suggested by earlier authors. The largest genus, Copelatus with some 460 known species was paraphyletic with respect to the smaller genera Lacconectus and Aglymbus. Among the major lineages of Copelatus, the subgenus Papuadytes was consistently recovered as sister to all other species (including Lacconectus and Aglymbus) with the possible exception of two western Palearctic taxa. We propose that the subgenus Papuadytes is removed from Copelatus and assigned generic status. Likewise, the two western Palearctic Copelatus are removed from this genus, and assigned the available genus name Liopterus. Our best phylogenetic hypothesis retrieved Afrotropical and New Guinean plus Australian species of Copelatus as monophyletic. Asian species were paraphyletic with respect to a species from Sulawesi which grouped with the species from New Guinea. Asian species were also paraphyletic with respect to Oriental Lacconectus, which was grouped with a clade of Neotropical species. Neotropical Copelatus form at least two separate lineages. The biogeographical evolution of Papuadytes is consistent with the relative age of the landmasses in the Austral region. Basal species are Australian, and successively derived ones are from New Caledonia and New Guinea. One species apparently dispersed from New Caledonia to China. Assuming a

  15. Edible aquatic Coleoptera of the world with an emphasis on Mexico

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    Moreno José

    2009-04-01

    Full Text Available Abstract Anthropoentomophagy is an ancient culinary practice wherein terrestrial and aquatic insects are eaten by humans. Of these species of insects, terrestrial insects are far more commonly used in anthropoentomophagy than aquatic insects. In this study we found that there are 22 genera and 78 species of edible aquatic beetles in the world. The family Dytiscidae hosts nine genera, Gyrinidae one, Elmidae two, Histeridae one, Hydrophilidae six, Haliplidae two and Noteridae one. Of the recorded species, 45 correspond to the family Dytiscidae, 19 to Hydrophilidae, three to Gyrinidae, four to Elmidae, two to Histeridae, four to Haliplidae and one to Noteridae. These beetles are the most prized organisms of lentic watersThe family that has the highest number of edible food insect genera and species is Dytiscidae. Here, the global geographic distribution of species in these organisms is shown, and a discussion is presented of its importance as a renewable natural resource widely used for food in various countries.

  16. Coleoptera Associated with Decaying Wood in a Tropical Deciduous Forest.

    Science.gov (United States)

    Muñoz-López, N Z; Andrés-Hernández, A R; Carrillo-Ruiz, H; Rivas-Arancibia, S P

    2016-08-01

    Coleoptera is the largest and diverse group of organisms, but few studies are dedicated to determine the diversity and feeding guilds of saproxylic Coleoptera. We demonstrate the diversity, abundance, feeding guilds, and succession process of Coleoptera associated with decaying wood in a tropical deciduous forest in the Mixteca Poblana, Mexico. Decaying wood was sampled and classified into four stages of decay, and the associated Coleoptera. The wood was identified according to their anatomy. Diversity was estimated using the Simpson index, while abundance was estimated using a Kruskal-Wallis test; the association of Coleoptera with wood species and decay was assessed using canonical correspondence analysis. Decay wood stage I is the most abundant (51%), followed by stage III (21%). We collected 93 Coleoptera belonging to 14 families, 41 genera, and 44 species. The family Cerambycidae was the most abundant, with 29% of individuals, followed by Tenebrionidae with 27% and Carabidae with 13%. We recognized six feeding guilds. The greatest diversity of Coleoptera was recorded in decaying Acacia farnesiana and Bursera linanoe. Kruskal-Wallis analysis indicated that the abundance of Coleoptera varied according to the species and stage of decay of the wood. The canonical analysis showed that the species and stage of decay of wood determined the composition and community structure of Coleoptera.

  17. Control of Sitophilus zeamais Motschulsky (Coleoptera ...

    African Journals Online (AJOL)

    2010-05-24

    May 24, 2010 ... Control of Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) with local plant materials in the western highlands of Cameroon. AKOB C. A.1,2*, and EWETE, F. K. 1. 1. Department of Crop Protection and Environmental Biology, University of Ibadan, Ibadan, Nigeria: 2. Regional College of ...

  18. Dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) of the ...

    African Journals Online (AJOL)

    The dung beetle fauna of the subfamily Scarabaeinae (Coleoptera: Scarabaeidae) occurring in the Laikipia District of Kenya was surveyed. A total of 79 species were found which are diagnosed, keyed, and known dung preferences discussed. Seven species are new records for Kenya, namely Allogymnopleurus ...

  19. Bioindication Potential of the Coleoptera

    Directory of Open Access Journals (Sweden)

    Belitskaya Mariya Nikolaevna

    2015-09-01

    Full Text Available Different families of Coleoptera ambiguously respond to the pollution of SPZs with industrial emissions. For example, the SPZ of Volgograd aluminum plant has the changing biodiversity of insect communities at different distances from the pollution source. The increasing level of pollution is accompanied by the reduction in species abundance. At a distance of 200 m a special ecological zone with the specific composition of the entomofauna was formed. It is significantly different from other habitats. No Cerambycidae species may survive in the zone of maximum pollution, and the number of Curculionidae species is reduced significantly. The number of Cerambycidae decreases by more than 40 % in the presence of even minimal contamination. The most sensitive bioindicators are represented by such insects as Cerambycidae, Curculionidae and Chrysomelidae. Changes in the indices can be described by the function y = arctan (x, where x is the distance from the pollution source (in meters. The specificity of this function is to identify levels of possible changes of species richness and numerical abundance of communities. On the basis of trigonometric functions describing the changes in the species composition and abundance, the authors offered the method for assessing the quality of the environment in SPZs. The use of three families of insects opens up prospects of differentiation zones of technogenic pressure.

  20. Fish, Benthic-Macroinvertebrate, and Stream-Habitat Data From Two Estuaries Near Galveston Bay, Texas, 2000-2001

    Science.gov (United States)

    2002-01-01

    0 13 Coleoptera Dytiscidae Copelatus Copelatus sp. 0 0 0 0 0 0 7 0 0 0 7 Coleoptera Elmidae Elmidae 0 0 0 0 0 0 11 0 0 0 11 Stenelmis sp. 7 30 0 0 0...0 2 0 0 0 0 0 5 0 7 Coleoptera Dytiscidae Hydroporinae 2 0 0 0 0 0 0 0 0 0 2 Table 5. Taxonomic classification of benthic macroinvertebrates and

  1. Heavy metals in carabids (Coleoptera, Carabidae

    Directory of Open Access Journals (Sweden)

    Ruslan Butovsky

    2011-05-01

    Full Text Available Carabid beetles (Coleoptera, Carabidae are one of the most studied soil groups in relation to heavy metal (HM accumulation and use for bioindication of environmental pollution. Accumulation of Zn and Cu in carabid beetles was species-, sex- and trophic group-specific. No differences were found in HM contents between omnivorous and carnivorous species. The use of carabid beetles as indicators of HM accumulation appears to be rather limited.

  2. CURCULIONOIDEA FROM GOLESTAN PROVINCE, NORTHERN IRAN (Coleoptera)

    OpenAIRE

    Hassan Ghahari; Enzo Colonnelli

    2012-01-01

    The 195 species of Curculionoidea (Coleoptera) thus far indicated from Golestan province (northern Iran) according to both literature and original records are listed in this paper. New data for 61 species belonging to 18 genera collected during this research are also given. Besides the 42 species newly reported for the Golestan province, the following additional 15 species are newly recorded from Iran: Brachypera lunata, Ceutorhynchus anatolicus, Datonychus urticae, Hypera contaminata, Hypera...

  3. Parasitism and olfactory responses of Dastarcus helophoroides (Coleoptera: Bothrideridae) to different Cerambycid hosts

    Science.gov (United States)

    Jian-Rong Wei; Zhong-Qi Yang; Therese M. Poland; Jia-Wei. Du

    2009-01-01

    Dastarcus helophoroides (Fairmaire) (Coleoptera: Bothrideridae) is an important natural enemy of longhorned beetles (Coleoptera: Cerambycidae). It is distributed throughout most Provinces in China. We investigated whether there were differences among D. helophoroides populations collected from different hosts in different...

  4. Ox Mountain Sanitary Landfill Apanolio Canyon Expansion Site, San Mateo County, California. Volume 2. Appendix

    Science.gov (United States)

    1989-04-01

    Dytiscidae (Predaceous Diving Beetles) Scientific Name: Hydroporus leechi R.Gordon, 1981 Common Name: Leech’s Skyline Diving Beetle I Federal Classification...taxonomically difficult group among all North American Dytiscidae ". General information of habitat and ecological requirements for any Hydroporous species is...91. Gordon, R.D. 1981. New species of North AmericanHydroporous, niQer-tenebrosus group (Coleoptera: Dytiscidae ).Pan-Pacific Entomol. 57:105-123. I

  5. Curculionidae (Coleoptera: Curculionoidea from Lorestan province, western Iran

    Directory of Open Access Journals (Sweden)

    Ghahari H.

    2012-01-01

    Full Text Available The fauna of weevils (Coleoptera: Curculionidae from Lorestan province, western Iran is studied in this paper. A total 56 species from 19 genera and 5 subfamilies (including, Curculioninae, Ceutorhynchinae, Entiminae, Hyperinae, Lixinae were collected.

  6. Curculionidae (Coleoptera: Curculionoidea) from Lorestan province, western Iran

    OpenAIRE

    Ghahari H.; Arzanov Y.G.

    2012-01-01

    The fauna of weevils (Coleoptera: Curculionidae) from Lorestan province, western Iran is studied in this paper. A total 56 species from 19 genera and 5 subfamilies (including, Curculioninae, Ceutorhynchinae, Entiminae, Hyperinae, Lixinae) were collected.

  7. New synonymy in Cuban Tilloclytus (Coleoptera: Cerambycidae: Anaglyptini)

    Science.gov (United States)

    Examination of holotypes of Tilloclytus (Coleoptera: Cerambycidae: Anaglyptini) in the Fernando de Zayas collection (Havana, Cuba) and the Museum of Comparative Zoology, Harvard University reveals that T. elongatus Zayas (1975) is a new synonym of T. rufipes Fisher (1942)....

  8. Immatures of Acanthocinini (Coleoptera, Cerambycidae, Lamiinae

    Directory of Open Access Journals (Sweden)

    Sônia A. Casari

    2014-06-01

    Full Text Available Immatures of Acanthocinini (Coleoptera, Cerambycidae, Lamiinae. Larva and pupa of Eutrypanus dorsalis (Germar, 1928, collected in trunks of Pinus elliottii Engelm., and Paratenthras martinsi Monné, 1998, collected in spathes of Scheelea phalerata (Mart. ex Spreng. Burret, are described and illustrated. Larva and pupa of Lophopoeum timbouvae Lameere, 1884, collected in Hymenaea corbaril L., Enterolobium contortisiliquum (Vell. Morong and Pterogyne nitens Tul., are redescribed and illustrated. A table with all described immatures of Lamiinae, and a comparison among the immatures of Acanthocinini are presented. Biological notes and new records are also included.

  9. CURCULIONOIDEA FROM GOLESTAN PROVINCE, NORTHERN IRAN (Coleoptera

    Directory of Open Access Journals (Sweden)

    Hassan Ghahari

    2012-04-01

    Full Text Available The 195 species of Curculionoidea (Coleoptera thus far indicated from Golestan province (northern Iran according to both literature and original records are listed in this paper. New data for 61 species belonging to 18 genera collected during this research are also given. Besides the 42 species newly reported for the Golestan province, the following additional 15 species are newly recorded from Iran: Brachypera lunata, Ceutorhynchus anatolicus, Datonychus urticae, Hypera contaminata, Hypera viciae, Larinus canescens, L. adspersus, Lixus ascanii, Microplontus rugulosus, Neoglocianus smyrnensis, Otiorhynchus tetrarchus, O. scitus, Tychius cuprifer, T. picirostris, T. thoracicus.

  10. The evolution of asymmetric genitalia in Coleoptera.

    Science.gov (United States)

    Schilthuizen, Menno; de Jong, Paulien; van Beek, Rick; Hoogenboom, Tamara; Schlochtern, Melanie Meijer Zu

    2016-12-19

    The evolution of asymmetry in male genitalia is a pervasive and recurrent phenomenon across almost the entire animal kingdom. Although in some taxa the asymmetry may be a response to the evolution of one-sided, male-above copulation from a more ancestral female-above condition, in other taxa, such as Mammalia and Coleoptera, this explanation appears insufficient. We carried out an informal assessment of genital asymmetry across the Coleoptera and found that male genital asymmetry is present in 43% of all beetle families, and at all within-family taxonomic levels. In the most diverse group, Cucujiformia, however, genital asymmetry is comparatively rare. We also reconstructed the phylogeny of the leiodid tribe Cholevini, and mapped aspects of genital asymmetry on the tree, revealing that endophallus sclerites, endophallus, median lobe and parameres are, in a nested fashion, increasingly unlikely to have evolved asymmetry. We interpret these results in the light of cryptic female choice versus sexually antagonistic coevolution and advocate further ways in which the phenomenon may be better understood.This article is part of the themed issue 'Provocative questions in left-right asymmetry'. © 2016 The Authors.

  11. Description of two new species of the Exocelina broschii-group from Papua New Guinea, with revision and key to all representatives of this species group (Coleoptera, Dytiscidae, Copelatinae).

    Science.gov (United States)

    Shaverdo, Helena; Sagata, Katayo; Balke, Michael

    2016-01-01

    Two new species of Exocelina Broun, 1886 from Papua New Guinea are described herein: Exocelina mondmillensis sp. n. and Exocelina pseudomarinae sp. n. They are placed into the Exocelina broschii-group based on the shovel/fork-like ventral sclerites of their median lobe. While the former has rather distinct combination of the morphological characters (inconspicuous dorsal punctation, thin apex of the median lobe and ventral sclerite of the median lobe with two tips of different length), the latter is very similar to already described species Exocelina marinae (Shaverdo, Sagata & Balke, 2005). All described species of the group are revised and a key to their identification is provided. Important diagnostic characters (habitus, color, protarsomeres 4-5, median lobes, and parameres) are illustrated. Data on the distribution of all species of the group are given showing that its representatives occur only in Papua New Guinea and most of them are widely distributed in it central part.

  12. Further karyosystematic studies of the Boreonectesgriseostriatus (De Geer) group of sibling species (Coleoptera, Dytiscidae)-characterisation of B.emmerichi (Falkenström, 1936) and additional European data.

    Science.gov (United States)

    Angus, Robert B; Angus, Elizabeth M; Jia, Fenglong; Chen, Zhen-Ning; Zhang, Ying

    2015-01-01

    A lectotype is designated for the Tibetan species Deronectesemmerichi Falkenström, 1936 (Currently Boreonectesemmerichi (Falkenström)), and its habitus, as well as the median lobe and parameres of its aedeagus, are figured along with additional comparative material. Material of Boreonectesemmerichi from Sikkim (BMNH) represents the first record of a Boreonectes Angus, 2010 species from India. The karyotype of Boreonectesemmerichi is described as having 26 pairs of autosomes plus sex chromosomes which are X0 (♂), XX (♀). The karyotype is most like that of Boreonectesmacedonicus (Géuorguiev, 1959), but with slight differences. Additional chromosomal information is given for Boreonectesgriseostriatusgriseostriatus (De Geer, 1774) in the French Alps, Boreonectesgriseostriatusstrandi (Brinck, 1943) on the Kola Peninsula, Boreonectesmultilineatus (Falkenström, 1922) in the Pyrenees and Boreonectesibericus (Dutton & Angus, 2007) in the Spanish Picos de Europa.

  13. Further karyosystematic studies of the Boreonectes griseostriatus (De Geer) group of sibling species (Coleoptera, Dytiscidae)–characterisation of B. emmerichi (Falkenström, 1936) and additional European data

    Science.gov (United States)

    Angus, Robert B.; Angus, Elizabeth M.; Jia, Fenglong; Chen, Zhen-ning; Zhang, Ying

    2015-01-01

    Abstract A lectotype is designated for the Tibetan species Deronectes emmerichi Falkenström, 1936 (Currently Boreonectes emmerichi (Falkenström)), and its habitus, as well as the median lobe and parameres of its aedeagus, are figured along with additional comparative material. Material of Boreonectes emmerichi from Sikkim (BMNH) represents the first record of a Boreonectes Angus, 2010 species from India. The karyotype of Boreonectes emmerichi is described as having 26 pairs of autosomes plus sex chromosomes which are X0 (♂), XX (♀). The karyotype is most like that of Boreonectes macedonicus (Géuorguiev, 1959), but with slight differences. Additional chromosomal information is given for Boreonectes griseostriatus griseostriatus (De Geer, 1774) in the French Alps, Boreonectes griseostriatus strandi (Brinck, 1943) on the Kola Peninsula, Boreonectes multilineatus (Falkenström, 1922) in the Pyrenees and Boreonectes ibericus (Dutton & Angus, 2007) in the Spanish Picos de Europa. PMID:25893080

  14. Molecular markers detect cryptic predation on coffee berry borer (Coleoptera: Curculionidae) by silvanid and laemophloeid flat bark beetles (Coleoptera: Silvanidae, Laemophloeidae) in coffee beans

    Science.gov (United States)

    The coffee berry borer, Hypothenemus hampei(Coleoptera: Curculionidae)(Ferrari), is a serious pest of coffee worldwide and has been recently introduced in Hawai’i, first detected in the state in 2010. Adult silvanid flat bark beetles, Cathartus quadricollis (Coleoptera: Silvanidae) and adult laemoph...

  15. Evaluation of vacuum technology to kill larvae of the Asian longhorned beetle, Anoplophora glabripennis (Coleoptera: Cerambycidae), and the emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae), in wood

    Science.gov (United States)

    Zhangjing Chen; Marshall S. White; Melody A. Keena; Therese M. Poland; Erin L. Clark

    2008-01-01

    The potential for using vacuum technology to kill larvae of the Asian longhorned beetle (ALB), Anoplophora glabripennis (Motschulsky) (Coleoptera: Cerambycidae), and emerald ash borer (EAB), Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), in solid-wood packing materials (SWPM) and other wood products was assessed. Current...

  16. Gönen Çayı (Balıkesir, Çanakkale-Türkiye'nda yaşayan sucul Coleoptera ve sucul ve yarısucul Heteroptera faunası üzerine bir çalışma.

    Directory of Open Access Journals (Sweden)

    Esat Tarık Topkara

    2015-12-01

    Full Text Available Gönen Çayı’nın sucul Coleoptera ve sucul-yarısucul Heteroptera faunasını belirlemek amacıyla gerçekleştirilen bu çalışmada, Gönen çayı ve kollarına 2010-2012 yılları arasında 8 arazi çalışması düzenlenmiştir. Bu arazi çalışmalarında 15 istasyonda örnekleme çalışması yürütülmüştür. Sucul böcek örnekleri 500 µm göz açıklığındaki el kepçesi ile toplanmıştır. Laboratuvarda yapılan incelemeler sonucunda Coleoptera ordosuna ait Gyrinidae familyasından 3 takson, Noteridae familyasından 1 tür, Dytiscidae familyasından 11 tür 1 alttür, Hydrophilidae familyasından 13 tür 1 alttür, Spercheidae familyasından 1 tür, Hydraenidae familyasından 4 tür tespit edilmiştir. Heteroptera ordosuna ait Gerridae familyasından 1 tür, Corixidae familyasından 3 tür 3 alttür, Notonectidae familyasından 2 tür tespit edilmiştir. Bu taksonlardan Gyrinus caspius, Gyrinus distinctus, Gyrinus substriatus, Agabus bipustulatus, Agabus guttatus, Hydaticus leander, Hydroporus pubescens, Laccophilus hyalinus, Laccophilus poecilus, Platambus lunulatus, Ranthus suturalis, Scarodytes halensis halensis, Boreonectes griseostriatus, Anacaena rufipes, Berosus byzantinus, Helochares lividus, Notonecta viridis, Notonecta maculata, Sigara striata, Sigara nigrolineata nigrolineata, Sigara lateralis Gönen Çayı’nın Balıkesir ili sınırları içerisindeki istasyonlardan; Laccophilus minutus, Spercheus emarginatus, Sigara limitata limitata Gönen Çayı’nın Çanakkale ili sınırları içerisindeki istasyonlardan; Enochrus bicolor, Micronecta scholtzi, Micronecta anatolica anatolica, Gerris thorasicus Çanakkale ve Balıkesir il sınırları içerisindeki istasyonlarından ilk kez tespit edilmiştir

  17. Attractant and disruptant semiochemicals for Dendroctonus jeffreyi (Coleoptera: Curculionidae: Scolytinae)

    Science.gov (United States)

    Brian Strom; Smith S.L.; Brownie C.

    2013-01-01

    Jeffrey pine, Pinus jeffreyi Greville and Balfour, is a dominant yellow pine and important overstory component of forests growing on diverse sites from southwestern Oregon to Baja California to western Nevada. The Jeffrey pine beetle, Dedroctonus jeffreyi Hopkins (Coleoptera: Curculionidae: Scolytinae), is monophagous on Jeffrey...

  18. On a few Coleoptera from the island of Riouw

    NARCIS (Netherlands)

    Ritsema Cz., C.

    1887-01-01

    In two bottles with Reptiles and Fishes from the island of Riouw (lying south of Malacca) sent over by Mr. A. H. G. Blokzeyl, formerly Resident of the Riouw Archipelago, and kindly presented by him to the Leyden Museum, were also a few Arthropods. Of these, eleven species belong to the Coleoptera,

  19. A coffee berry borer (Coleoptera: Curculionidae: Scolytinae) bibliography

    Science.gov (United States)

    One hundred years ago, one of the most significant biological invasions of an agricultural insect pest in the Americas was initiated. Endemic to Africa, the coffee berry borer (Hypothenemus hampei; Coleoptera: Curculionidae) was accidentally introduced to Brazil in 1913 and years later invaded coffe...

  20. Checklist of the Coleoptera of New Brunswick, Canada

    Science.gov (United States)

    Webster, Reginald P.

    2016-01-01

    Abstract All 3,062 species of Coleoptera from 92 families known to occur in New Brunswick, Canada, are recorded, along with their author(s) and year of publication using the most recent classification framework. Adventive and Holarctic species are indicated. There are 366 adventive species in the province, 12.0% of the total fauna. PMID:27110174

  1. Two new species of South American Glaresidae (Coleoptera: Scarabaeoidea).

    Science.gov (United States)

    Paulsen, M J

    2016-08-24

    Two new species of South American Glaresidae (Coleoptera: Scarabaeoidea) are described: Glaresis smithi Paulsen, new species from Argentina, and Glaresis mondacai Paulsen, new species from Chile and Peru. The species are compared to their closest congener, Glaresis fritzi Martínez et al., and a key is provided for the known South American species of the genus Glaresis Erichson.

  2. Paracrossidius radekcervenkai (Coleoptera: Scarabaeidae: Aphodiinae), a new species from China.

    Science.gov (United States)

    Červenka, Radek; Nakládal, Oto

    2017-05-18

    A new species of Paracrossidius Balthasar, 1932 (Coleoptera Scarabaeidae: Aphodiinae) from China is described and compared with similar species. Paracrossidius was originally described as a monotypic subgenus based on the type species Aphodius (Paracrossidius) instigator Balthasar, 1932 from Sichuan Province, China. Paracrossidius is currently considered a genus with 10 previously described species, most of which inhabit various parts of China (Dellacasa et al. 2016).

  3. An annotated checklist of Malachiidae (Coleoptera: Cleroidea) from Iran.

    Science.gov (United States)

    Mirutenko, Vladyslav; Ghahari, Hassan

    2016-09-09

    A checklist of Iranian Malachiidae (Coleoptera) is given in this paper. Eighty two species from 22 genera (subfamily Malachiinae) are listed in the fauna of Iran. Of these species, 31 are endemic to Iran, and one Anthocomus pupillatus Abeille de Perrin, 1890 is a new record for this country.

  4. Damage by yam beetle heteroligus meles ( Coleoptera:Dynastidae ...

    African Journals Online (AJOL)

    Damage by yam beetle heteroligus meles (Coleoptera:Dynastidae) under different population in yam cropping system. FO Tobih, SO Emosairue. Abstract. No Abstract. Global Journal of Pure and Applied Physics Vol. 14 (1) 2008 pp. 5-8. Full Text: EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT · DOWNLOAD FULL ...

  5. Diet based fitness variability of Coccinella novemnotata (Coleoptera: Coccinellidae)

    Science.gov (United States)

    Coccinella novemnotata (Herbst) is a species of North American native lady beetle (Coleoptera: Coccinellidae) that has come under great ecological duress over the past 30 years and is experiencing a significant decline throughout its native range. This species once was widely distributed across mos...

  6. Review of the tribe Chilocorini Mulsant from Iran (Coleoptera, Coccinellidae).

    Science.gov (United States)

    Biranvand, Amir; Tomaszewska, Wioletta; Li, Wenjing; Nicolas, Vincent; Shakarami, Jahanshir; Fekrat, Lida; Hesami, Shahram

    2017-01-01

    The Iranian checklist of the tribe Chilocorini Mulsant, 1846 (Coleoptera: Coccinellidae) is updated. In total, 13 species belonging to four genera ( Brumoides Chapin, 1965, Chilocorus Leach, 1815, Exochomus Redtenbacher, 1843, and Parexochomus Barovsky, 1922) are listed from Iran. An identification key to all genera and species currently known from Iran is presented along with illustrations of adult specimens and male genitalia.

  7. Changing distributions of Cantharidae and Buprestidae within Great Britain (Coleoptera)

    NARCIS (Netherlands)

    Alexander, K.

    2003-01-01

    Changing distributions of Cantharidae and Buprestidae within Great Britain (Coleoptera) Data are presented on the distribution of selected species from two coleopteran families chosen to represent a random slice of the British fauna. The species have been chosen as exhibiting extremes of range

  8. Morphometric analysis of instar variation in Tenebrio molitor (Coleoptera: Tenebrionidae)

    Science.gov (United States)

    Measurements of head capsule, mandible, metanotum, and body weight were done on larvae of Tenebrio molitor L. (Coleoptera: Tenebrionide) from the second to the last instar. Instar number varied from 14 to 18, but 15 or 16 instars were the most common. The value of dimensional measurements was evalua...

  9. De snuitkever Pachyrhinus lethierryi nieuw voor Nederland (Coleoptera: Curculionidae).

    NARCIS (Netherlands)

    Heijerman, Th.

    2008-01-01

    Pachyrhinus lethierryi, a new species of weevil for the Dutch fauna (Coleoptera: Curculionidae) Pachyrhinus lethierryi is reported for the first time from the Netherlands. Many specimens were collected from Chamaecyparus x leylandii on several localities in the province of Zeeland. This weevil seems

  10. Predation by Flat Bark Beetles (Coleoptera: Silvanidae and Laemophloeidae) on Coffee Berry Borer (Coleoptera: Curculionidae) in Hawaii coffee

    Science.gov (United States)

    Coffee berry borer(CBB), Hypothenemus hampei, is a serious pest of coffee worldwide and a new invasive pest in Hawaii. Adult flat bark beetles, mainly Leptophloeus sp.(75%) and Cathartus quadricollis(21%) (Coleoptera: Laemophloeidae and Silvanidae, respectively), were found feeding in CBB-infested c...

  11. Natural enemies of emerald ash borer (Coleoptera: Buprestidae) in northeast China, with notes on two species of parasitic Coleoptera

    Science.gov (United States)

    Xiao-Yi Wang; Liang-Ming Cao; Zhong-Qi Yang; Jian J. Duan; Juli R. Gould; Leah S. Bauer

    2016-01-01

    To investigate natural enemies of emerald ash borer (EAB), Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), in northeastern China, we conducted field surveys of ash (Fraxinus Linnaeus (Oleaceae)) trees in semi-natural forests and plantations at variable EAB densities from 2008 to 2013. Our surveys revealed a complex of...

  12. Interactions of Coccinella novemnotata (Coleoptera: Coccinellidae) and Coccinella septempunctata (Coleoptera: Coccinellidae) While Foraging for Aphids.

    Science.gov (United States)

    Ugine, Todd A; Hoki, Evan; Losey, John E

    2018-02-08

    The importation and establishment of Coccinella septempunctata L. (Coleoptera: Coccinellidae) in North America purportedly caused the displacement and local extirpation of the native ninespotted lady beetle, Coccinella novemnotata Herbst (Coleoptera: Coccinellidae), across most of its former range, and several reports have shown that C. septempunctata maintains competitive advantages over C. novemnotata. We investigated the role of aphid density on the retention time of these two species on fava bean plants, and the effect of con- versus heterospecific pairings of adult beetles on the foraging behavior of C. novemnotata. We found that aphid density did not affect C. novemnotata's retention time, but did affect the retention time of C. septempunctata, which left plants without aphids significantly faster than C. novemnotata. Additionally, C. septempunctata females left plants significantly faster than their male counterparts, whereas we observed no difference between the two sexes for C. novemnotata. Our test of pairs of beetles showed that C. novemnotata were together on plants more frequently than conspecific pairs of C. septempunctata and heterospecific pairs of beetles, and that all beetles were more likely to be found together on the aphid-infested plant versus the non-infested plant regardless of the pairs' composition. These results show that C. novemnotata spend more time foraging for aphids when aphids are scarce compared with C. septempunctata, and that C. novemnotata is less tolerant of occupying plants inhabited by C. septempunctata versus a conspecific beetle, adding additional mechanisms whereby C. septempunctata could outcompete C. novemnotata in the field. © The Author(s) 2018. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

  13. Two new species of Scymnini (Coleoptera: Coccinellidae) from Karnataka, India.

    Science.gov (United States)

    Poorani, J

    2015-01-01

    The Scymnini (Coleoptera: Coccinellidae) of the Indian region is rich and highly speciose, with nearly 90 described species and scores of undescribed species (Poorani 2002). There is a dire need to systematically revise the genera and species of this tribe from the Indian region. Due to paucity of representative collections covering the entire region and lack of access to types, it is difficult to identify most of the Scymnini of the Indian region to species. As a result, many economically important species remain poorly characterized, or worse, unnamed. Two economically important and unique species of Scymnini (Coccinellidae) belonging to Horniolus Weise (1900) and Scymnus (Pullus) Mulsant (1846) from the Southern Indian state of Karnataka that have remained unnamed for long are treated in this paper. These species are externally similar to other known species and often misidentified. Horniolussororius sp. n. and Scymnus (Pullus) rajeshwariae sp. n. (Coleoptera: Coccinellidae) are described here and illustrated with notes on their biology and related species.

  14. Annotated checklist of Dryopidae and Heteroceridae (Coleoptera: Byrrhoidea) of Iran.

    Science.gov (United States)

    Mascagni, Alessandro; Jäch, Manfred A; Ostovan, Hadi; Ghahari, Hassan

    2016-07-28

    The distribution of Dryopidae and Heteroceridae (Coleoptera: Byrrhoidea) of Iran is summarized. A total of ten species of Dryopidae in three genera (Dryops Olivier, Parahelichus Löbl & Smetana, and Praehelichus Löbl & Smetana), and 18 species of Heteroceridae in two genera (Augyles Schiödte and Heterocerus Fabricius) are listed. Augyles hispidulus (Kiesenwetter, 1843) (Heteroceridae) is recorded from Iran for the first time.

  15. A checklist of stag beetles (Coleoptera: Scarabaeoidea: Lucanidae) from Iran.

    Science.gov (United States)

    Bartolozzi, Luca; Ghahari, Hassan; Sprecher-Uebersax, Eva; Zilioli, Michele

    2014-11-26

    An updated checklist of the Lucanidae (Coleoptera) from Iran is given. New locality records are listed and some dubious distributional records are discussed. Dorcus vavrai Nonfried, 1905 is placed in synonymy with Dorcus peyronis Reiche and Saulcy, 1856 (new synonymy) The female of Lucanus xerxes Král, 2004 is described. A key for the identification of the Iranian stag beetle species is also provided and all the species are figured.

  16. Leaf Beetles of the Cayman Islands (Coleoptera: Chrysomelidae)

    OpenAIRE

    Clark, Shawn M.; Lillrose, Tiffany; Belo Neto, Luiz A.

    2013-01-01

    Data are presented for 29 chrysomelid species (Coleoptera: Chrysomelidae) occurring in the Cayman Islands, West Indies, 26 of these not having been reported from these islands previously. Altica occidentalis Suffrian is removed from the genus Lysathia Bechyné and reinstated in Altica Geoffroy. Chaetocnema perplexa Blake is synonymized with Chaetocnema confinis Crotch, new synonymy. Omophoita cyanipennis octomaculata (Crotch) is synonymized with Omophoita cyanipennis (Fabricius), new synonymy....

  17. White grub (Coleoptera: Melolonthidae mortality induced by Ophiocordyceps melolonthae

    Directory of Open Access Journals (Sweden)

    Geraldo Salgado-Neto

    Full Text Available ABSTRACT: The occurrence of white grub roots in soybean crops in the South of Brazil has gradually increased. However, there is not information on the biological control of grubs by entomopathogenic fungi. This study aimed to induce infection by Ophiocordyceps melolonthae and analyze longevity in Cyclocephala modesta and Dyscinetus gagates larvae (Coleoptera: Melolonthidae. In the laboratory, Cyclocephala modesta and Dyscinetus gagates had a mortality rate of 85% and 75%, respectively.

  18. Estados inmaduros de Ancognatha ustulata (Coleoptera: Melolonthidae: Dynastinae: Cyclocephalini Immature stages of Ancognatha ustulata (Coleoptera: Melolonthidae: Dynastinae: Cyclocephalini

    Directory of Open Access Journals (Sweden)

    Jhon César Neita-Moreno

    2008-12-01

    Full Text Available Se describen y se ilustran por primera vez la larva de tercer estadio y la pupa de Ancognatha ustulata Burmeister, 1847 (Coleoptera: Melolonthidae: Dynastinae: Cyclocephalini. Se aportan datos sobre la biología de la especie y su distribución en Colombia. Se proporciona una clave para la identificación de las larvas de tercer estadio conocidas de las especies del género Ancognatha Erichson.The third instar larva and pupa of Ancognatha ustulata Burmeister, 1847 (Coleoptera: Melolonthidae: Dynastinae: Cyclocephalini are described and illustrated for the first time. New data on larval biology and distribution of the species in Colombia are included. A key to the known third stage larvae of Ancognatha Erichson is provided.

  19. Relative susceptibility of two sweetpotato varieties to storage root damage by sweetpotato flea beetle (Coleoptera: Chrysomelidae) and wireworm (Coleoptera: Elateridae).

    Science.gov (United States)

    Abney, Mark R; Kennedy, George G

    2011-02-01

    The feeding of soil dwelling insects on storage roots is one of the most serious management issues faced by sweetpotato, Ipomoea batatas (L.) Lam. (Convolvulaceae), growers in the southern United States. Field studies were conducted to evaluate the relative susceptibility of two commonly grown sweetpotato varieties to sweetpotato flea beetle, Chaetocnema confinis Crotch (Coleoptera: Chrysomelidae), and wireworms (Coleoptera: Elateridae, various species). The incidence and severity of sweetpotato flea beetle damage was significantly lower in the variety Covington than Beauregard in two small plot replicated studies. Surveys conducted in commercial sweetpotato fields also showed significantly less sweetpotato flea beetle damage in fields planted to Covington compared with those planted to Beauregard. There was no clear evidence of varietal effect on the incidence of wireworm damage in the study. Results indicate that the severity of wireworm damage as measured by the size of feeding scars may be less in Covington than Beauregard.

  20. Medically important beetles (insecta: coleoptera of Iran

    Directory of Open Access Journals (Sweden)

    MR Nikbakhtzadeh

    2008-01-01

    Full Text Available This study focused on coleopteran species that are responsible for the emergence of recent cases of dermatological manifestations in Iran. To the best of our knowledge, five species of the family Meloidae and nine species of the genus Paederus are by far the only beetles recognized as medically important in Iran. The staphylinids consists of Paederus ilsae, P. iliensis, P. fuscipes, P. kalalovae, P. balcanicus, P. lenkoranus, P. littoralis, P. carpathicus, P. nigricornis, while the meloids are Mylabris impressa, M. guerini, Muzimes iranicus, Alosimus smyrnensis and Epicauta sharpi. Most cases of linear dermatitis in this country occur in areas bordering the Caspian Sea. This problem is caused by beetles of the genus Paederus which are present as adults from mid-April to October with particularly high incidences from May to August. Fars (in southern Iran ranks second in number of cases of insect-induced dermatitis. The third major region in which this type of dermatitis has been recorded is Hamedan Province, in the west of the country. Meloid dermatitis showed its highest severity in 2001, when a considerable number of patients sought medical help in Toyserkan and Nahavand counties. New cases of skin blistering were reported along the Persian Gulf coast and the agent was identified as Epicauta sharpi (Coleoptera: Meloidae. In all these regions, it was observed that recorded cases of lesions coincided precisely with the yearly peaks of the beetles. Paederus fuscipes and P. kalalovae are the predominant species along the Caspian Sea shore. It appears that P. fuscipes is homogeneously distributed throughout the Caspian Sea region while the distribution of the other species is more irregular. Paederus fuscipes is probably the major agent that causes linear dermatitis in northern Iran. Whereas this disease is a rural difficulty in the south, mainly in villages or small towns, it is an urban problem in northern provinces along the Caspian Sea shore

  1. Family-Group Names In Coleoptera (Insecta

    Directory of Open Access Journals (Sweden)

    Patrice Bouchard

    2011-04-01

    Full Text Available We synthesize data on all known extant and fossil Coleoptera family-group names for the first time. A catalogue of 4887 family-group names (124 fossil, 4763 extant based on 4707 distinct genera in Coleoptera is given. A total of 4492 names are available, 183 of which are permanently invalid because they are based on a preoccupied or a suppressed type genus. Names are listed in a classification framework. We recognize as valid 24 superfamilies, 211 families, 541 subfamilies, 1663 tribes and 740 subtribes. For each name, the original spelling, author, year of publication, page number, correct stem and type genus are included. The original spelling and availability of each name were checked from primary literature. A list of necessary changes due to Priority and Homonymy problems, and actions taken, is given. Current usage of names was conserved, whenever possible, to promote stability of the classification. New synonymies (family-group names followed by genus-group names: Agronomina Gistel, 1848 syn. n. of Amarina Zimmermann, 1832 (Carabidae, Hylepnigalioini Gistel, 1856 syn. n. of Melandryini Leach, 1815 (Melandryidae, Polycystophoridae Gistel, 1856 syn. n. of Malachiinae Fleming, 1821 (Melyridae, Sclerasteinae Gistel, 1856 syn. n. of Ptilininae Shuckard, 1839 (Ptinidae, Phloeonomini Ádám, 2001 syn. n. of Omaliini MacLeay, 1825 (Staphylinidae, Sepedophilini Ádám, 2001 syn. n. of Tachyporini MacLeay, 1825 (Staphylinidae, Phibalini Gistel, 1856 syn. n. of Cteniopodini Solier, 1835 (Tenebrionidae; Agronoma Gistel 1848 (type species Carabus familiaris Duftschmid, 1812, designated herein syn. n. of Amara Bonelli, 1810 (Carabidae, Hylepnigalio Gistel, 1856 (type species Chrysomela caraboides Linnaeus, 1760, by monotypy syn. n. of Melandrya Fabricius, 1801 (Melandryidae, Polycystophorus Gistel, 1856 (type species Cantharis aeneus Linnaeus, 1758, designated herein syn. n. of Malachius Fabricius, 1775 (Melyridae, Sclerastes Gistel, 1856 (type species

  2. Family-group names in Coleoptera (Insecta)

    Science.gov (United States)

    Bouchard, Patrice; Bousquet, Yves; Davies, Anthony E.; Alonso-Zarazaga, Miguel A.; Lawrence, John F.; Lyal, Chris H. C.; Newton, Alfred F.; Reid, Chris A. M.; Schmitt, Michael; Ślipiński, S. Adam; Smith, Andrew B. T.

    2011-01-01

    Abstract We synthesize data on all known extant and fossil Coleoptera family-group names for the first time. A catalogue of 4887 family-group names (124 fossil, 4763 extant) based on 4707 distinct genera in Coleoptera is given. A total of 4492 names are available, 183 of which are permanently invalid because they are based on a preoccupied or a suppressed type genus. Names are listed in a classification framework. We recognize as valid 24 superfamilies, 211 families, 541 subfamilies, 1663 tribes and 740 subtribes. For each name, the original spelling, author, year of publication, page number, correct stem and type genus are included. The original spelling and availability of each name were checked from primary literature. A list of necessary changes due to Priority and Homonymy problems, and actions taken, is given. Current usage of names was conserved, whenever possible, to promote stability of the classification. New synonymies (family-group names followed by genus-group names): Agronomina Gistel, 1848 syn. nov. of Amarina Zimmermann, 1832 (Carabidae), Hylepnigalioini Gistel, 1856 syn. nov. of Melandryini Leach, 1815 (Melandryidae), Polycystophoridae Gistel, 1856 syn. nov. of Malachiinae Fleming, 1821 (Melyridae), Sclerasteinae Gistel, 1856 syn. nov. of Ptilininae Shuckard, 1839 (Ptinidae), Phloeonomini Ádám, 2001 syn. nov. of Omaliini MacLeay, 1825 (Staphylinidae), Sepedophilini Ádám, 2001 syn. nov. of Tachyporini MacLeay, 1825 (Staphylinidae), Phibalini Gistel, 1856 syn. nov. of Cteniopodini Solier, 1835 (Tenebrionidae); Agronoma Gistel 1848 (type species Carabus familiaris Duftschmid, 1812, designated herein) syn. nov. of Amara Bonelli, 1810 (Carabidae), Hylepnigalio Gistel, 1856 (type species Chrysomela caraboides Linnaeus, 1760, by monotypy) syn. nov. of Melandrya Fabricius, 1801 (Melandryidae), Polycystophorus Gistel, 1856 (type species Cantharis aeneus Linnaeus, 1758, designated herein) syn. nov. of Malachius Fabricius, 1775 (Melyridae), Sclerastes

  3. Aquatic Coleoptera from El Cristal Natural Reserve (Santa Fe Province, Argentina

    Directory of Open Access Journals (Sweden)

    Gabriel A. MACCHIA

    2015-01-01

    Full Text Available Se presenta una lista de los coleópteros acuáticos colectados en la Reserva Natural El Cristal. Se identificaron 77 especies incluidas en 35 géneros y seis familias. Diez géneros se citan por primera vez de la provincia de Santa Fe: Copelatus Erichson, Anodocheilus Babington, Bidessodes Régimbart, Bidessonotus Régimbart, Pachydrus Sharp, Laccomimus Toledo & Michat (Dytiscidae, Mesonoterus Sharp (Noteridae, Pelonomus Erichson (Dryopidae, Chaetarthria Stephens y Paracymus Thomson (Hydrophilidae. Además, 17 especies se registran por primera vez de la provincia de Santa Fe: Thermonectus succinctus (Aubé, Anodocheilus maculatus Babington, Bidessonotus obtusatus Régimbart, Pachydrus globosus (Aubé, P. obesus Sharp (Dytiscidae, Hydrocanthus paraguayensis Zimmermann, Mesonoterus laevicollis Sharp, Suphis freudei Mouchamps, Suphisellus curtus (Sharp, S. grammicus (Sharp, S. nigrinus (Aubé, S. remator (Sharp (Noteridae, Chaetarthria bruchi Balfour-Browne, Enochrus sublongus (Fall, Berosus paraguayanus Knisch, Derallus altus (Leconte y Phaenonotum regimbarti Bruch (Hydrophilidae.

  4. Os grupos tróficos em Coleoptera The trophic groups in Coleoptera

    Directory of Open Access Journals (Sweden)

    Renato C. Marinoni

    2001-03-01

    Full Text Available The beetles are a useful group for studies on trophic structure of communities, mainly in forested areas. These kind of studies are based on food habits of species groups. The different terms applied to nomminated these groups (trophic category, ecologic group, trophic group, guild, trophic guild are discussed. The term trophic group, a natural unity, is proposed to form a group of species with the same food habits, not considering the trophic level. The guild, an artificial unity, is recognized as an important tool to group organisms group that use the same resources as defined by the investigator (Hawkins & MacMaiion, 1989; Simberloff & Dayan 1991; Wilson 1999. The known alimentary habits of Coleoptera are classified in five trophic groups - herbivores, algivores, fungívores, detrivores and carnivores. Within each trophic group, subgroups are recognized. The subgroup are in a lower hierarchic level and are defined by morphological (herbivores, taxonomic (fungivores atributes of the food, by the food origin (detrivores and by the way that the food is obtained (carnivores. A food resource diagram showing connections among the trophic groups, based on consumer-consumed (predator-prey relations, is presented.

  5. Aquatic Biota of Bank Stabilization Structures on the Missouri River, North Dakota.

    Science.gov (United States)

    1982-05-01

    and the only beetles ( Dytiscidae , Deronectes) collected during the study. 22 Hard points (DFP) 44. Benthic grab samples. Although this was one of the...Corixidae Corixidae spp. 1.2 0.4 1.6 Trichocorixa 1.2 1.2 Total 2.4 0.4 2.8 (Percent) t t t Coleoptera Dytiscidae Deronectes 0.8 0.8 (Percent) t t

  6. First record of Molorchus minor minor (Linnaeus (Coleoptera, Cerambycidae in Brazil

    Directory of Open Access Journals (Sweden)

    Ubirajara R. Martins

    2015-03-01

    Full Text Available Molorchus minor minor (Linnaeus (Coleoptera, Cerambycidae is recorded for the first time in Brazil (Bahia. It was originally described from Europe and is currently widely distributed in that continent and Asia.

  7. A new species of the genus Falsoibidion Pic (Coleoptera, Cerambycidae) from Korea.

    Science.gov (United States)

    Lee, Seunghyun; Lee, Seunghwan

    2016-01-01

    A new species of the genus Falsoibidion Pic, 1922 (Coleoptera, Cerambycidae, Cerambycinae, Callidiopini) from Korea is described. Habitus and genitalia of male and female of the new species are illustrated.

  8. Host range specificity of Scymnus camptodromus (Coleoptera: Coccinellidae), a predator of hemlock woolly adelgid (Hemiptera: Adelgidae)

    Science.gov (United States)

    Samita Limbu; Katie Cassidy; Melody Keena; Patrick Tobin; Kelli Hoover

    2015-01-01

    Scymnus (Neopullus) camptodromus Yu and Liu (Coleoptera: Coccinellidae) was brought to the United States from China as a potential biological control agent for hemlock woolly adelgid (Adelges tsugae Annand) (Hemiptera: Adelgidae). Scymnus camptodromus phenology is...

  9. Scymnus camptodromus (Coleoptera: Coccinellidae) larval development and predation of hemlock woolly adelgid (Hemiptera: Adelgidae)

    Science.gov (United States)

    Samita Limbu; Melody A. Keena; David Long; Nancy Ostiguy; Kelli. Hoover

    2015-01-01

    Development time and prey consumption of Scymnus (Neopullus) camptodromus Yu and Liu (Coleoptera: Coccinellidae) larvae by instar, strain, and temperature were evaluated. S. camptodromus, a specialist predator of hemlock woolly adelgid Adelges tsugae (Annand) (Hemiptera:...

  10. Parasitylenchus sp. (Tylenchomorpha: Allantonematidae) parasitizing field populations of Harmonia axyridis (Coleoptera: Coccinellidae)

    DEFF Research Database (Denmark)

    Harding, Susanne; Poinar, George O. Jr.; Dimitrova, Desislava V.

    2011-01-01

    Adults of the invasive harlequin ladybird, Harmonia axyridis (Coleoptera: Coccinellidae), were found to be parasitized by nematodes (Tylenchomorpha: Allantonematidae) in Denmark. The nematodes were identified as Parasitylenchus sp. Major morphological characters of the nematodes did not differ...

  11. A new species of Scymnobius Casey (Coleoptera, Coccinellidae, Scymnini from Pernambuco, Brazil

    Directory of Open Access Journals (Sweden)

    José Adriano Giorgi

    2014-12-01

    Full Text Available A new species of Scymnobius Casey (Coleoptera, Coccinellidae, Scymnini from Pernambuco, Brazil. Scymnobius pernambucensis sp. nov. from Pernambuco, Brazil, is described and illustrated. This is the third species of this genus recorded from Brazil.

  12. An unusual new species of Micraspis Chevrolat (Coleoptera: Coccinellidae) from northeastern India.

    Science.gov (United States)

    Poorani, J

    2014-01-01

    Micraspispusillus sp. n. (Coleoptera: Coccinellidae) is described and illustrated from the northeastern region of India. It is unusual in possessing very large eye canthus and is the smallest species of the genus known from India so far.

  13. Aggregation pheromone compounds of the black larder beetle Dermestes haemorrhoidalis Kuster (Coleoptera: Dermestidae)

    NARCIS (Netherlands)

    Korada, R.R.; Griepink, F.C.

    2009-01-01

    Gas chromatography with simultaneous flame ionisation and electroantennographic detection (GC-EAD) and gas chromatography with mass spectrometry analysis (GC-MS) of abdominal extracts of adult male Dermestes haemorrhoidalis Kuster (Coleoptera: Dermestidae) revealed the presence of

  14. Aggregation pheromone compounds of the black larder beetle Dermestes haemorrhoidalis Kuster (Coleoptera: Dermestidae)

    NARCIS (Netherlands)

    Korada, R.R.; Griepink, F.C.

    2011-01-01

    Gas chromatography with simultaneous flame ionisation and electroantennographic detection (GCEAD) and gas chromatography with mass spectrometry analysis (GCMS) of abdominal extracts of adult male Dermestes haemorrhoidalis Kuster (Coleoptera: Dermestidae) revealed the presence of

  15. A comparison of ground beetle assemblages (Coleoptera: Carabidae) in conventionally and ecologically managed alfalfa fields

    National Research Council Canada - National Science Library

    P. Kolařík; J. Rotrekl; M. Barták; A. Krupauerová; J. Frydrych

    2014-01-01

    From 2007-2011, the occurrence of ground beetles (Coleoptera: Carabidae) was studied using emergence traps in two differently managed alfalfa fields in the Czech Republic - a conventional and an ecological production system...

  16. Two new fossil species of Cryptocephalus Geoffroy (Coleoptera: Chrysomelidae) from Baltic and Dominican Amber

    Science.gov (United States)

    Two new species of Cryptocephalus Geoffroy (Coleoptera: Chrysomelidae) are described and illustrated from fossil resin: Cryptocephalus groehni sp. nov (Baltic amber) and Cryptocephalus kheelorum sp. nov. (Dominican amber). These are the first described species of Cryptocephalinae from fossil resin. ...

  17. A catalogue of Lithuanian beetles (Insecta, Coleoptera)

    Science.gov (United States)

    Tamutis, Vytautas; Tamutė, Brigita; Ferenca, Romas

    2011-01-01

    Abstract This paper presents the first complete and updated list of all 3597 species of beetles (Insecta: Coleoptera) belonging to 92 familiesfound and published in Lithuania until 2011, with comments also provided on the main systematic and nomenclatural changes since the last monographic treatment in two volumes (Pileckis and Monsevičius 1995, 1997). The introductory section provides a general overview of the main features of the territory of Lithuania, the origins and formation of the beetle fauna and their conservation, the faunistic investigations in Lithuania to date revealing the most important stages of the faunistic research process with reference to the most prominent scientists, an overview of their work, and their contribution to Lithuanian coleopteran faunal research. Species recorded in Lithuania by some authors without reliable evidence and requiring further confirmation with new data are presented in a separate list, consisting of 183 species. For the first time, analysis of errors in works of Lithuanian authors concerning data on coleopteran fauna has been conducted and these errors have been corrected. All available published and Internet sources on beetles found in Lithuania have been considered in the current study. Over 630 literature sources on species composition of beetles, their distribution in Lithuania and neighbouring countries, and taxonomic revisions and changes are reviewed and cited. An alphabetical list of these literature sources is presented. After revision of public beetle collections in Lithuania, the authors propose to remove 43 species from the beetle species list of the country on the grounds, that they have been wrongly identified or published by mistake. For reasons of clarity, 19 previously noted but later excluded species are included in the current checklist with comments. Based on faunal data from neighbouring countries, species expected to occur in Lithuania are matnioned. In total 1390 species are attributed to this

  18. Checklist of beetles (Coleoptera of Canada and Alaska. Second edition

    Directory of Open Access Journals (Sweden)

    Yves Bousquet

    2013-12-01

    Full Text Available All 8237 species-group taxa of Coleoptera known to occur in Canada and Alaska are recorded by province/territory or state, along with their author(s and year of publication, in a classification framework. Only presence of taxa in each Canadian province or territory and Alaska is noted. Labrador is considered a distinct geographical entity. Adventive and Holarctic species-group taxa are indicated. References to pertinent identification keys are given under the corresponding supraspecific taxa in the data archive.

  19. New Aderidae (Coleoptera: Tenebrionoidea) from Baltic and Bitterfeld amber.

    Science.gov (United States)

    Alekseev, Vitalii I; Grzymala, Traci L

    2015-05-08

    Nine extinct species and one genus of aderid beetles (Coleoptera: Tenebrionoidea: Aderidae) are described from Baltic and Bitterfeld amber from Germany, Russia (Kaliningrad), Poland, and Denmark. These new species include: Escalerosia igori sp. nov., Picemelinus irinae sp. nov., Vanonus ulmerigicus sp. nov., Vanonus aestiorum sp. nov., Cnopus kraxtepellenensis sp. nov., and four species from the extinct genus Palaeocnopus gen. nov.: P. densipunctatus sp. nov., P. saeticornis sp. nov., P. glabricornis sp. nov., and P. mara sp. nov. A key to the species of Palaeocnopus in amber is provided. The newly described taxa of these ant-like leaf beetles are photographed, illustrated, and compared with extinct and related extant representatives of the genera.

  20. The tribe Phanaeini (Coleoptera: Scarabaeidae: Scarabaeinae in Peru

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    Luis Figueroa

    2014-10-01

    Full Text Available We examine the occurrence of the tribe Phanaeini (Coleoptera: Scarabaeidae: Scarabaeinae in Peru based on the collection at Museo de Historia Natural of the Universidad Nacional Mayor de San Marcos and on data provided in literature. Each species is presented with citations of its diagnosis, distribution and related comments. Peruvian Phanaeini includes 30 species in nine genera: Coprophanaeus, Dendropaemon, Gromphas, Oruscatus, Oxysternon, Phanaeus, Sulcophanaeus, Tetramereia and Megatharsis. Oruscatus davus is the only species distributed in the high Andes; Phanaeus lunaris and P. achilles occur in the northern arid zone shared by Peru and Ecuador; the remaining species are Amazonian.

  1. Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition

    Science.gov (United States)

    Bousquet, Yves; Bouchard, Patrice; Davies, Anthony E.; Sikes, Derek S.

    2013-01-01

    Abstract All 8237 species-group taxa of Coleoptera known to occur in Canada and Alaska are recorded by province/territory or state, along with their author(s) and year of publication, in a classification framework. Only presence of taxa in each Canadian province or territory and Alaska is noted. Labrador is considered a distinct geographical entity. Adventive and Holarctic species-group taxa are indicated. References to pertinent identification keys are given under the corresponding supraspecific taxa in the data archive. PMID:24363590

  2. Ground beetles (Coleoptera, Carabidae agrocenoses of spring and winter wheat

    Directory of Open Access Journals (Sweden)

    Luboš Purchart

    2005-01-01

    Full Text Available On two monitoring areas of the Central Institute for Supervising and Testing in Agriculture (ÚKZÚZ loaded with risk elements we carried out investigations of beetles of the family Carabidae (Coleoptera in agricultural stands of winter and spring wheat. The focus of the present study is on synecological characteristics and in some extent on the impact of agricultural practise on the population and seasonal dynamics of the most important representatives of ground beetles. This paper precedes the following article aimed to contents of heavy metals in ground beetles.

  3. Pollination of Anthurium (Araceae) by derelomine flower weevils (Coleoptera: Curculionidae).

    Science.gov (United States)

    Franz, Nico M

    2007-03-01

    Cyclanthura flower weevils (Coleoptera: Curculionidae: Derelomini) are identified for the first time as pollinators of multiple species of Anthurium (Araceae) in Costa Rica. The weevils are present on the inflorescences in small numbers during the pistillate and staminate phase of anthesis, and consume plant tissues and pollen. The individuals of one species of Cyclanthura can visit several Anthurium species within the same locality. They also engage in reproductive activities and are likely to oviposit into the flowers. The mating strategies suggest that sperm precedence selects males that are able to secure their position as the last partner prior to oviposition.

  4. Review of the tribe Hyperaspidini Mulsant (Coleoptera: Coccinellidae) from Iran.

    Science.gov (United States)

    Biranvand, Amir; Tomaszewska, Wioletta; Nedvěd, Oldřich; Khormizi, Mehdi Zare; Nicolas, Vincent; Canepari, Claudio; Shakarami, Jahanshir; Fekrat, Lida; Fürsch, Helmut

    2017-02-22

    The Iranian species of the tribe Hyperaspidini Mulsant, 1846 (Coleoptera: Coccinellidae) are reviewed. The current list includes 12 species, all placed in a single genus Hyperaspis Chevrolat, 1836. Hyperapsis asiatica Lewis, 1896 and H. pumila Mulsant, 1850 are excluded from the Iranian list of Coccinellidae. Diagnoses of the tribe Hyperaspidini and the genus Hyperaspis are given. Images of adult beetles and diagnostic characters of the male genitalia of all species distributed in Iran are shown. A key to identification of the species is presented. Distribution records are provided for each species along with information on host plants and prey species when available.

  5. Revision of the genus Endochilus Weise (Coleoptera: Coccinellidae: Chilocorini).

    Science.gov (United States)

    Łączyński, Piotr; Tomaszewska, Wioletta

    2014-05-20

    The members of the endemic African genus Endochilus Weise, 1898 (Coleoptera: Coccinellidae: Chilocorini) are redescribed, diagnosed, and illustrated. Lectotypes are designated for Endochilus compater Weise, Endochilus minor Weise, Endochilus plagiatus Sicard, Endochilus rubicundus Weise, and Endochilus styx Sicard. One new species is described: Endochilus abdominalis sp nov. Notes on the genus and nomenclatural history for each species are provided. A key for identification of all species is presented. Adult characters concerning similarities of Endochilus to other genera of African Chilocorini are discussed. This is an open access paper. We use the Creative Commons Attribution 3.0 license that permits unrestricted use, provided that the paper is properly attributed.

  6. An annotated catalogue of the Buprestidae of Iran (Coleoptera: Buprestoidea).

    Science.gov (United States)

    Ghahari, Hassan; Volkovitsh, Mark G; Bellamy, Charles L

    2015-07-08

    An annotated taxonomic catalogue of the jewel beetles (Coleoptera: Buprestidae) of Iran is given. Original descriptions and recent revisionary or catalogue data are included along with the distribution, both within and outside of Iran, ecological data and host plant associations, junior synonyms, and comments. A complete bibliography completes the catalogue. In total 428 species and 52 subspecies of jewel beetles belonging to 6 subfamilies (Julodinae, Polycestinae, Galbellinae, Chrysochroinae, Buprestinae, and Agrilinae), 20 tribes, and 38 genera are known from Iran including doubtful records and 4 nomina nuda. It is likely that the number of jewel beetle species from Iran will be between 460-480 and possibly even more species.

  7. Endemism patterns in the Italian leaf beetle fauna (Coleoptera, Chrysomelidae).

    Science.gov (United States)

    Biondi, Maurizio; Urbani, Fabrizia; D'Alessandro, Paola

    2013-01-01

    In this contribution the results of a zoogeographical analysis, carried out on the 123 endemic leaf beetle species (Coleoptera: Chrysomelidae) occurring in Italy and its immediately adjacent regions, are reported. To assess the level of faunistic similarity among the different geographic regions studied, a cluster analysis was performed, based on the endemic component. This was done by calculating the Baroni Urbani & Buser's similarity index (BUB). Finally, a parsimony analysis of endemicity (PAE) was used to identify the most important areas of endemism in Italy.

  8. Flight phenologies of the southeastern Ips species (Coleoptera: Curculionidae: Scolytinae) and some associated Coleoptera in central and southern Louisiana.

    Science.gov (United States)

    Schoeller, Erich N; Allison, Jeremy D

    2013-12-01

    A year-long flight phenology study was undertaken from 15 July 2009 to 7 July 2010 in central and southeastern Louisiana to estimate the temporal flight patterns of the three southeastern Ips species: Ips grandicollis (Eichhoff), Ips avulsus (Eichhoff), and Ips calligraphus (Germar) (Coleoptera: Curculionidae: Scolytinae) as well as some of their predatory and phloem-feeding coleopteran associates. The southeastern Ips species play important roles as decomposers in forest ecosystems, but can cause ecological and economic damage during epidemic population phases. In total, 282,761 individuals of the three southeastern Ips species were collected using Ips pheromone-baited multiple funnel traps during the study period. Two major Ips activity peaks were observed during 16 September to 7 October of 2009 and 24 March to 15 April of 2010. In total, 9,139 associated Coleoptera were also collected. Greater than 95% of the total number of associated Coleoptera collected were represented by histerids from the genus Platysoma (4,487; 49.1% of total), the trogossitid Temnoscheila virescens (F.) (2,107; 23.1%), cerambycids from the genus Monochamus (1,013; 11.1%), and Acanthocinus obsoletus (Olivier) (743; 8.1%), and the clerid Thanasimus dubius (F.) (477; 5.2%). Results showed that the associates fell into four temporal groups: the winter and spring active species T. dubius; the spring active species Rhagium inquisitor (L.) and histerids from the genus Platysoma; the spring and summer active species T. virescens, Buprestis lineata F., and Monochamus carolinensis (Olivier); and the summer through fall active species A. obsoletus and Monochamus titillator (F.).

  9. Effects of prescribed fire and fire surrogates on Saproxylic coleoptera in the Southern Appalachians of North Carolina

    Science.gov (United States)

    Joshua W. Campbell; James L. Hanula; Thomas A. Waldrop

    2008-01-01

    We examined the effects of forest management practices (prescribed burning, mechanical, and prescribed burn plus mechanical) on saproxylic forest Coleoptera in the southern Appalachian Mountains of North Carolina. During the 2-yr study, we captured 37,191 Coleoptera with baited multiple- unnel traps and pipe traps, comprising 20 families and 122 species that were used...

  10. Rove beetles of medical importance in Brazil (Coleoptera, Staphylinidae, Paederinae

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    Juliana S. Vieira

    2014-09-01

    Full Text Available Rove beetles of medical importance in Brazil (Coleoptera, Staphylinidae, Paederinae. The rove beetles of the genus Paederus Fabricius, 1775 are the most important group within Coleoptera causing dermatitis around the world. The medical importance of Paederus depends on its toxic hemolymph released when these beetles are crushed on human skin. The effects are mainly dermatitis linearis and some sporadic cases of conjunctivitis. In Brazil seven species of Paederus are known to cause dermatitis: P. amazonicus Sharp, 1876, P. brasiliensis Erichson, 1840, P. columbinus Laporte, 1835, P. ferus Erichson, 1840, P. mutans Sharp, 1876, P. protensus Sharp, 1876 stat. rev., and Paederus rutilicornis Erichson, 1840. Paederus mutans and P. protensus are for the first time recorded as of medical importance, whereas the record of P. rutilicornis in Brazil is doubtful. All seven species are redescribed and a dichotomous key is provided. The geographic distributions of all species are documented. The results provided here include the most recent and relevant taxonomic revision of Paederus of the Neotropical region, the first identification key for Brazilian species and the increase of recorded species of medical importance in the world.

  11. Variations on a Theme: Antennal Lobe Architecture across Coleoptera.

    Science.gov (United States)

    Kollmann, Martin; Schmidt, Rovenna; Heuer, Carsten M; Schachtner, Joachim

    2016-01-01

    Beetles comprise about 400,000 described species, nearly one third of all known animal species. The enormous success of the order Coleoptera is reflected by a rich diversity of lifestyles, behaviors, morphological, and physiological adaptions. All these evolutionary adaptions that have been driven by a variety of parameters over the last about 300 million years, make the Coleoptera an ideal field to study the evolution of the brain on the interface between the basic bauplan of the insect brain and the adaptions that occurred. In the current study we concentrated on the paired antennal lobes (AL), the part of the brain that is typically responsible for the first processing of olfactory information collected from olfactory sensilla on antenna and mouthparts. We analyzed 63 beetle species from 22 different families and thus provide an extensive comparison of principal neuroarchitecture of the AL. On the examined anatomical level, we found a broad diversity including AL containing a wide range of glomeruli numbers reaching from 50 to 150 glomeruli and several species with numerous small glomeruli, resembling the microglomerular design described in acridid grasshoppers and diving beetles, and substructures within the glomeruli that have to date only been described for the small hive beetle, Aethina tumida. A first comparison of the various anatomical features of the AL with available descriptions of lifestyle and behaviors did so far not reveal useful correlations. In summary, the current study provides a solid basis for further studies to unravel mechanisms that are basic to evolutionary adaptions of the insect olfactory system.

  12. Pollination of Anthurium (Araceae by derelomine flower weevils (Coleoptera: Curculionidae

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    Nico M Franz

    2007-03-01

    Full Text Available Cyclanthura flower weevils (Coleoptera: Curculionidae: Derelomini are identified for the first time as pollinators of multiple species of Anthurium (Araceae in Costa Rica. The weevils are present on the inflorescences in small numbers during the pistillate and staminate phase of anthesis, and consume plant tissues and pollen. The individuals of one species of Cyclanthura can visit several Anthurium species within the same locality. They also engage in reproductive activities and are likely to oviposit into the flowers. The mating strategies suggest that sperm precedence selects males that are able to secure their position as the last partner prior to oviposition. Rev. Biol. Trop. 55 (1: 269-277. Epub 2007 March. 31.Por primera vez se informa que algunos curculiónidos de flores de Cyclanthura (Coleoptera: Curculionidae: Derelomini polinizan varias especies de Anthurium (Araceae en Costa Rica. Los curculiónidos están presentes en las inflorescencias en pequeñas cantidades durante la fase pistilada y estaminada de la antesis, y consumen tejidos de la planta y polen. Los individuos de una especie de Cyclanthura pueden visitar varias especies de Anthurium en la misma localidad ; también se ocupan en actividades reproductivas y probablemente ovipositan en las flores. Las estrategias de apareamiento sugieren que la competencia a nivel de gametos selecciona favorablemente al último macho en la secuencia de apareamiento de la hembra, pues éste deposita su semen justo antes de que ella oviposite.

  13. Aquatic Coleoptera from two protected areas of the Humid Chaco eco-region (Chaco Province, Argentina

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    María L. LIBONATTI

    2013-01-01

    Full Text Available Se presenta por primera vez una lista de las especies de coleópteros acuáticos que habitan en el parque nacional Chaco y en el refugio de vida silvestre El Cachapé, dos áreas protegidas pertenecientes a la ecorregión Chaco Húmedo. Se identificaron 122 especies incluidas en 45 géneros y 10 familias. Dos especies se citan por primera vez para la Argentina: Ora atroapicalis Pic y Ora semibrunnea Pic (Scirtidae. Once géneros (Dytiscidae: Anodocheilus Babington, Bidessonotus Régim - bart, Hemibidessus Zimmermann; Noteridae: Mesonoterus Sharp, Notomicrus Sharp; Hydraenidae: Hydraena Kugelann, Gymnochthebius Orchymont; Hydrophilidae: Chasmogenus Sharp, Chaetarthria Stephens; Scirtidae: Ora Clark, Scirtes Illiger y 41 especies son citados por primera vez en la provincia del Chaco. La alta diversidad de coleópteros acuáticos registrada destaca la importancia de estas áreas protegidas.

  14. Aquatic Coleoptera from Mburucuyá National Park (Corrientes Province, Argentina

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    Patricia L. M. TORRES

    2012-01-01

    Full Text Available Se presenta una lista de las especies de coleópteros acuáticos colectadas en el Parque Nacional Mburucuyá. Se identificaron 128 especies, incluidas en 44 géneros y siete familias. Diez especies se citan por primera vez para la Argentina: Agaporomorphus mecolobus Miller y Bidessonotus obtusatus Régimbart (Dytiscidae; Mesonoterus laevicollis Sharp, Suphisellus hyeroglyphicus Zimmermann, S. rufulus Zimmermann, S. sexnotatus (Régimbart y Notomicrus traili Sharp (Noteridae; Berosus pluripunctatus Mouchamps, Enochrus guarani Fernández y Helobata corumbaensis Fernández & Bachmann (Hydrophilidae. Dos familias (Scirtidae y Spercheidae, 12 géneros y 69 especies son citados por primera vez para la provincia de Corrientes.

  15. Catalogue of Tenebrionidae (Coleoptera of North America

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    Yves Bousquet

    2018-01-01

    Full Text Available This catalogue includes all valid family-group (8 subfamilies, 52 tribes, 14 subtribes, genus-group (349 genera, 86 subgenera, and species-group names (2825 species, 215 subspecies of darkling beetles (Coleoptera: Tenebrionidae known to occur in North America1 and their available synonyms. Data on extant, subfossil and fossil taxa are given. For each name the author and year and page number of the description are provided, with additional information (e.g., type species for genus-group names, author of synonymies for invalid taxa depending on the taxon rank. Several new nomenclatural acts are included. One new genus, Lepidocnemeplatia Bousquet and Bouchard, is described. Spelaebiosis Bousquet and Bouchard [for Ardoinia Özdikmen, 2004], Blapstinus marcuzzii Aalbu [for Blapstinus kulzeri Marcuzzi, 1977], and Hymenorus campbelli Bouchard [for Hymenorus oculatus Doyen and Poinar, 1994] are proposed as new replacement names. Supporting evidence is provided for the conservation of usage of Tarpela micans (Fabricius, 1798 nomen protectum over Tarpela vittata (Olivier, 1793 nomen oblitum. The generic names Psilomera Motschulsky, 1870 [= Stenomorpha Solier, 1836], Steneleodes Blaisdell, 1909 [= Xysta Eschscholtz, 1829], Ooconibius Casey, 1895 and Euconibius Casey, 1895 [= Conibius LeConte, 1851] are new synonyms (valid names in square brackets. The following 127 new synonymies of species-group names, listed in their original combination, are proposed (valid names, in their current combination, placed in square brackets: Bothrasida mucorea Wilke, 1922 [= Pelecyphorus guanajuatensis (Champion, 1884]; Parasida zacualpanicola Wilke, 1922 [= Pelecyphorus asidoides Solier, 1836]; Stenosides kulzeri Pallister, 1954, Stenosides bisinuatus Pallister, 1954, and Parasida trisinuata Pallister, 1954 [= Pelecyphorus dispar (Champion, 1892]; Asida favosa Champion, 1884 and Asida similata Champion, 1884 [= Pelecyphorus fallax (Champion, 1884]; Ologlyptus bicarinatus

  16. Vertical stratification of beetles (Coleoptera) and flies (Diptera) in temperate forest canopies.

    Science.gov (United States)

    Maguire, Dorothy Y; Robert, Katleen; Brochu, Kristen; Larrivée, Maxim; Buddle, Christopher M; Wheeler, Terry A

    2014-02-01

    Forest canopies support high arthropod biodiversity, but in temperate canopies, little is known about the spatial distribution of these arthropods. This is an important first step toward understanding ecological roles of insects in temperate canopies. The objective of this study was to assess differences in the species composition of two dominant and diverse taxa (Diptera and Coleoptera) along a vertical gradient in temperate deciduous forest canopies. Five sugar maple trees from each of three deciduous forest sites in southern Quebec were sampled using a combination of window and trunk traps placed in three vertical strata (understory, mid-canopy, and upper-canopy) for three sampling periods throughout the summer. Coleoptera species richness and abundance did not differ between canopy heights, but more specimens and species of Diptera were collected in the upper-canopy. Community composition of Coleoptera and Diptera varied significantly by trap height. Window traps collected more specimens and species of Coleoptera than trunk traps, although both trap types should be used to maximize representation of the entire Coleoptera community. There were no differences in abundance, diversity, or composition of Diptera collected between trap types. Our data confirm the relevance of sampling all strata in a forest when studying canopy arthropod biodiversity.

  17. Acoustic detection of Rhynchophorus ferrugineus (Coleoptera: Dryophthoridae) and Oryctes elegans (Coleoptera: Scarabaeidae) in Phoenix dactylifera (Arecales: Arecacae) trees and offshoots in Saudi Arabian orchards

    Science.gov (United States)

    Rhynchophorus ferrugineus (Olivier) (Coleoptera: Dryophthoridae) larvae are cryptic, internal-tissue feeding pests of palm trees that are difficult to detect until after they have caused severe economic damage; consequently, infestations may remain undetected until they are widespread in an orchard....

  18. The genus Leptostylopsis of Hispaniola (Coleoptera, Cerambycidae, Acanthocinini

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    Steven Lingafelter

    2009-08-01

    Full Text Available The generic differences and similarities between Leptostylus LeConte and Leptostylopsis Dillon (Coleoptera: Cerambycidae: Acanthocinini are discussed. Leptostylopsis is redescribed and the following species are transferred from Leptostylus to Leptostylopsis: Leptostylopsis annulipes (Fisher 1942, comb. n.; Leptostylopsis poeyi (Fisher 1925, comb. n.; and Leptostylopsis viridicomus (Fisher 1942, comb. n. Leptostylopsis hispaniolae (Fisher 1942 is a syn. n. of Leptostylopsis annulipes (Fisher 1942. Seven new species of Leptostylopsis from Hispaniola are diagnosed, described, and illustrated: L. basifulvus Lingafelter and Micheli, sp. n.; L. caliginosus Lingafelter and Micheli, sp. n.; L. chlorescens Lingafelter and Micheli, sp. n.; L. humerofulvus Lingafelter and Micheli, sp. n.; L. perfasciatus Lingafelter and Micheli, sp. n.; L. puntacanaensis Lingafelter and Micheli, sp. n.; and L. thomasi Lingafelter and Micheli, sp. n. Redescriptions and distributional data are provided for the six previously described species known from Hispaniola, and a dichotomous key to all thirteen species of Leptostylopsis from Hispaniola is provided.

  19. Brachylophora, a new brachypterous genus of Rhopalophorini (Coleoptera, Cerambycidae

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    Robin O. S. Clarke

    2011-06-01

    Full Text Available Brachylophora, a new brachypterous genus of Rhopalophorini (Coleoptera, Cerambycidae. Brachylophora auricollis (Bruch, 1918 comb. nov. = Pasiphyle auricollis Bruch, 1918, originally described from Argentina (Salta, is redescribed and illustrated. Although with reduced elytra, the genus is transferred from Rhinotragini to Rhopalophorini based on the following characters: eyes well separated in both sexes, frons between eyes depressed and lacking frontal suture; pro-, meso-, and metasternum planar; mesothorax parallel-sided, not at all declivous before mesosternal process; metasternum large, together with mesosternum twice length of prosternum, metepisternum very wide, entire suture separating it from metasternum clearly visible when viewed from below; female ovipositor shortened with short cylindrical styles; and, more generally, structural features of hind legs, and surface ornamentation. Habitus similar to Coremia group. Bolivian specimens were netted as they visited flowers of Croton sp. (Euphorbiaceae.

  20. Coleoptera associated with macrophytes of the genus Salvinia in four oxbow lakes in two river basins in southeast Brazil.

    Science.gov (United States)

    Paula-Bueno, M C; Fonseca-Gessner, A A

    2015-11-01

    Macrophytes in oxbow lakes represent an important substrate for the Coleoptera. Two oxbow lakes the Rio Paranapanema were studied and the other two Rio Mogi-Guaçu, in the State de São Paulo, Brasil. In this study, there is greater similarity between the communities of Coleoptera of lakes greater connectivity with the main river channel or the difference in the species of Salvinia collected in the lakes studied interferes Coleoptera fauna that uses as substrate. A total of 9,222 specimens of Coleoptera were collected and identified in 10 families and 40 genera. The analysis MDS for abundance of Coleoptera showed the grouping of the oxbow lakes the Paranapanema River and a distancing the oxbow lakes the Mogi-Guaçu. The PERMANOVA test did not reveal any difference in the fauna between the wet and dry periods. It was concluded that the connectivity between river and lake is not decisive for the richness and abundance of aquatic fauna of Coleoptera. Therefore, the richness and abundance of aquatic Coleoptera associated vary with the species of Salvinia used as substrate.

  1. Coleoptera associated with macrophytes of the genus Salvinia in four oxbow lakes in two river basins in southeast Brazil

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    M. C. Paula-Bueno

    Full Text Available Abstract Macrophytes in oxbow lakes represent an important substrate for the Coleoptera. Two oxbow lakes the Rio Paranapanema were studied and the other two Rio Mogi-Guaçu, in the State de São Paulo, Brasil. In this study, there is greater similarity between the communities of Coleoptera of lakes greater connectivity with the main river channel or the difference in the species of Salvinia collected in the lakes studied interferes Coleoptera fauna that uses as substrate. A total of 9,222 specimens of Coleoptera were collected and identified in 10 families and 40 genera. The analysis MDS for abundance of Coleoptera showed the grouping of the oxbow lakes the Paranapanema River and a distancing the oxbow lakes the Mogi-Guaçu. The PERMANOVA test did not reveal any difference in the fauna between the wet and dry periods. It was concluded that the connectivity between river and lake is not decisive for the richness and abundance of aquatic fauna of Coleoptera. Therefore, the richness and abundance of aquatic Coleoptera associated vary with the species of Salvinia used as substrate.

  2. Diversidad de la familia Carabidae (Coleoptera en Chile Diversity of the family Carabidae (Coleoptera in Chile

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    SERGIO ROIG-JUÑENT

    2001-09-01

    Full Text Available Carabidae constituye dentro de los coléopteros chilenos, la cuarta familia en importancia por su cantidad de especies. El presente trabajo incluye una breve compilación acerca de la historia de la familia y de las primeras expediciones realizadas en Chile. También se realizan comparaciones de la diversidad de carábidos chilenos con respecto a otros países y el Neotrópico. Para Chile, se conocen 21 tribus, con 95 géneros y 365 especies, que representan el 38,8, 28,8 y 7,9 % de la fauna del Neotrópico, respectivamente. Chile posee un bajo número de tribus comparado con otros países, sin embargo, constituye un área importante por la presencia de seis tribus relictuales, principalmente pangeicas o gondwánicas. Chile posee 18 géneros endémicos (18,5 % de su fauna de Carabidae, 28 cuya distribución está restringida a Chile y Argentina y seis restringidos a Chile, Argentina y Uruguay. La cantidad de especies presentes en Chile es inferior a la que poseen otros países de América del Sur, pero la cantidad de especies endémicas es muy alta (204 y representa el 55,8 % de su fauna de carábidos. El alto grado de endemismo que posee Chile con respecto a otros países de América del Sur puede deberse a su condición de aislamiento, siendo las barreras más importantes la región desértica del norte y la cordillera de Los Andes. Este hecho también se vislumbra por la ausencia de importantes tribus neotropicales como Galeritini, Scaritini y Brachinini. También se incluyen en este trabajo claves para la identificación de todas las tribus y géneros presentes en Chile, como así también una breve descripción acerca de la diversidad y ambientes en los que se encuentra cada géneroThe family Carabidae is the fourth largest Coleoptera family in Chile. The present work includes a brief compilation on the taxonomic history of the family and the first expeditions to Chile. In addition, knowledge of carabid diversity in Chile is compared with

  3. Track analysis of the Neotropical Entimini (Coleoptera: Curculionidae: Entiminae

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    Alberto Romo

    2011-09-01

    Full Text Available Track analysis of the Neotropical Entimini (Coleoptera, Curculionidae, Entiminae. Distributional patterns of the species belonging to the tribe Entimini from the Neotropical region were analyzed. Based on a track analysis of 22 species of Entimus, Rhigus, and Phaedropus, for which distributional data were available, two generalized tracks were found. One is located in northern Brazil, corresponding to the Amazonian subregion, and is determined by Phaedropus candidus and Rhigus speciosus. The other is located in southern Brazil, corresponding to the Parana subregion, and is determined by Entimus imperialis, E. excelsus, Phaedropus togatus, Rhigus dejeanii, R. faldermanni, R. horridus, R. lateritus, R. nigrosparsus, and R. tribuloides. The development of the Chacoan subregion is hypothesized to have been the dynamic vicariant event that fragmented the former Amazonian-Parana forest.Análisis de trazos de Entimini Neotropical (Coleoptera, Curculionidae, Entiminae. Se analizaron los patrones de distribución de la tribu Entimini en la región Neotropical. Con base en un análisis de los trazos de 22 especies de Entimus, Rhigus y Phaedropus, para los cuales se contaba con datos de distribución, se hallaron dos trazos generalizados. Uno se localiza en el norte de Brasil, en la subregión Amazónica, y está sustentado por Phaedropus candidus y Rhigus speciosus. El otro se localiza en el sur de Brasil, en la subregión Paranaense, y está sustentado por Entimus imperialis, E. excelsus, Phaedropus togatus, Rhigus dejeanii, R. faldermanni, R. horridus, R. lateritus, R. nigrosparsus y R. tribuloides. Se hipotetiza que el desarrollo de la subregión Chaqueña constituyó el evento de vicarianza dinámica que fragmentó el antiguo bosque Amazónico-Paranaense.

  4. Positive selection of digestive Cys proteases in herbivorous Coleoptera.

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    Vorster, Juan; Rasoolizadeh, Asieh; Goulet, Marie-Claire; Cloutier, Conrad; Sainsbury, Frank; Michaud, Dominique

    2015-10-01

    Positive selection is thought to contribute to the functional diversification of insect-inducible protease inhibitors in plants in response to selective pressures exerted by the digestive proteases of their herbivorous enemies. Here we assessed whether a reciprocal evolutionary process takes place on the insect side, and whether ingestion of a positively selected plant inhibitor may translate into a measurable rebalancing of midgut proteases in vivo. Midgut Cys proteases of herbivorous Coleoptera, including the major pest Colorado potato beetle (Leptinotarsa decemlineata), were first compared using a codon-based evolutionary model to look for the occurrence of hypervariable, positively selected amino acid sites among the tested sequences. Hypervariable sites were found, distributed within -or close to- amino acid regions interacting with Cys-type inhibitors of the plant cystatin protein family. A close examination of L. decemlineata sequences indicated a link between their assignment to protease functional families and amino acid identity at positively selected sites. A function-diversifying role for positive selection was further suggested empirically by in vitro protease assays and a shotgun proteomic analysis of L. decemlineata Cys proteases showing a differential rebalancing of protease functional family complements in larvae fed single variants of a model cystatin mutated at positively selected amino acid sites. These data confirm overall the occurrence of hypervariable, positively selected amino acid sites in herbivorous Coleoptera digestive Cys proteases. They also support the idea of an adaptive role for positive selection, useful to generate functionally diverse proteases in insect herbivores ingesting functionally diverse, rapidly evolving dietary cystatins. Copyright © 2015 Elsevier Ltd. All rights reserved.

  5. Brachylophora, a new brachypterous genus of Rhopalophorini (Coleoptera, Cerambycidae

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    Robin O. S. Clarke

    2011-06-01

    Full Text Available Brachylophora, a new brachypterous genus of Rhopalophorini (Coleoptera, Cerambycidae. Brachylophora auricollis (Bruch, 1918 comb. nov. = Pasiphyle auricollis Bruch, 1918, originally described from Argentina (Salta, is redescribed and illustrated. Although with reduced elytra, the genus is transferred from Rhinotragini to Rhopalophorini based on the following characters: eyes well separated in both sexes, frons between eyes depressed and lacking frontal suture; pro-, meso-, and metasternum planar; mesothorax parallel-sided, not at all declivous before mesosternal process; metasternum large, together with mesosternum twice length of prosternum, metepisternum very wide, entire suture separating it from metasternum clearly visible when viewed from below; female ovipositor shortened with short cylindrical styles; and, more generally, structural features of hind legs, and surface ornamentation. Habitus similar to Coremia group. Bolivian specimens were netted as they visited flowers of Croton sp. (Euphorbiaceae.Brachylophora, gênero braquíptero de Rhopalophorini (Coleoptera, Cerambycidae. Brachylophora auricollis (Bruch, 1918 comb. nov. = Pasiphyle auricollis Bruch, 1918, originalmente descrito de Argentina (Salta, é redescrito e ilustrado. Embora com élitros reduzidos, o gênero é incluído em Rhopalophorini com base nos seguintes caracteres: olhos bem afastados em ambos os sexos, fronte deprimida entre os lobos inferiores e sem sutura frontal, pro-, meso- e metasterno no mesmo nível, mesosterno com bordas laterais paralelas e sem declive antes do processo, metasterno amplo, junto com o mesosterno, duas vezes mais longo que prosterno, metepisterno largo, sutura metepisternal inteiramente visível, ovipositor encurtado com estilos pouco alongados e cilídricos e pela estrutura das pernas posteriores. Habitus semelhante do grupo Coremia. Os exemplares da Bolívia foram coletados quanto estavam visitando as flores de Croton sp. (Euphorbiaceae.

  6. Walking stability of Rhyzopertha dominica (Fabricius, 1792 (Coleoptera: Bostrichidae

    Directory of Open Access Journals (Sweden)

    E. M. Pires

    Full Text Available Abstract Results obtained in studies can contribute to the advancement of science and innovative methods and techniques for developing practical activities. Reporting conditions that may restrict the implementation of research is critical to ensure the optimal development of further technical studies. The objective of this study was to assess the walking stability of R. dominica on a flat and smooth surface. The study was based on the determination of mortality, morphology and walking stability of the insect outside the grain mass, on a flat and smooth surface. Mortality of adults of this Coleoptera in conditions with and without food was similar, which explains the difficulty that this insect had for accessing the food source on the flat and smooth surface. The measurements of body length (BOL, width (BOW and height (BOH of R. dominica were compared with those of Tribolium castaneum (Coleoptera: Tenebrionidae, which showed good ability to walk in these conditions. This study indicated that the former presents lower BOL and BOW, and greater BOH than the second, and all these variables showed differences when analyzed simultaneously by means of the construction of multivariate morphometric indices (Width × Height, Length × Height and Height × Length × Width. These morphometric variables, together with the definition of the geometry most similar to the body shape, resulted in determination of the center of gravity (CG and static rollover threshold (SRTgeom for both species. Rhyzopertha dominica and T. castaneum presented CGs considered high and low, respectively, and together with the values obtained for SRTgeom, may justify that R. dominica can be considered a less stable species during movement, and presents greater risk of rollover on flat and smooth surfaces.

  7. Diversity of forensic rove beetles (Coleoptera, Staphylinidae) associated with decaying pig carcass in a forest biotope.

    Science.gov (United States)

    Dekeirsschieter, Jessica; Frederick, Christine; Verheggen, Francois J; Drugmand, Didier; Haubruge, Eric

    2013-07-01

    Most forensic studies are focused on Diptera pattern colonization while neglecting Coleoptera succession. So far, little information is available on the postmortem colonization by beetles and the decomposition process they initiate under temperate biogeoclimatic countries. These beetles have, however, been referred to as being part of the entomofaunal colonization of a dead body. Forensic entomologists need increased databases detailing the distribution, ecology, and phenology of necrophagous insects, including staphylinids (Coleoptera, Staphylinidae). While pig carcasses are commonly used in forensic entomology studies to surrogate human decomposition and to investigate the entomofaunal succession, very few works have been conducted in Europe on large carcasses. Our work reports the monitoring of the presence of adult rove beetles (Coleoptera, Staphylinidae) on decaying pig carcasses in a forest biotope during four seasons (spring, summer, fall, and winter). A total of 23 genera comprising 60 species of rove beetles were collected from pig carcasses. © 2013 American Academy of Forensic Sciences.

  8. Non-constant thermal regimes enhance overwintering success and accelerate diapause development for Smicronyx fulvus (Coleoptera: Curculionidae)

    Science.gov (United States)

    Recent populations of the red sunflower seed weevil, Smicronyx fulvus LeConte (Coleoptera: Curculionidae) have been inconsistent or declining, particularly in North Dakota. Consequently, field and laboratory research on weevil biology, including development of resistant germplasm, have been limited....

  9. Role of emerald ash borer (Coleoptera: Buprestidae) larval vibrations in host-quality assessments by Tetrastichus planipennisi (Hymenoptera: Eulophidae)

    Science.gov (United States)

    Michael D. Ulyshen; Richard W. Mankin; Yigen Chen; Jian J. Duan; Therese M. Poland; Leah S. Bauer

    2011-01-01

    The biological control agent Tetrastichus planipennisi Yang (Hymenoptera: Eulophidae) is a gregarious larval endoparasitoid of the emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), an invasive cambium-feeding species responsible for recent, widespread mortality of ash (Fraxinus spp.) in...

  10. Detection of reproducing populations of Coccinella novemnotata within coccinellid assemblages (Coleoptera: Coccinellidae) in western South Dakota and western Nebraska

    Science.gov (United States)

    Adults of three native species of lady beetles [Coccinella novemnotata Herbst, Coccinella transversoguttata richardsoni Brown, and Adalia bipunctata (L.); Coleoptera: Coccinellidae] of conservation interest were detected during recent surveys at several locations in western South Dakota and western ...

  11. A Role for Intercept Traps in the Ambrosia Beetle (Coleoptera: Curculionidae: Scolytinae) IPM Strategy at Ornamental Nurseries

    Science.gov (United States)

    Invasive ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) cause significant damage to ornamental nursery tree crops throughout the Eastern U. S. Depending on surrounding habitat, some nurseries can undergo large influxes of ambrosia beetles from the forest to susceptible nursery stock. Eth...

  12. Entomopathogens in conjunction with imidacloprid could be used to manage wireworms (Coleoptera: Elateridae) on spring wheat

    Science.gov (United States)

    The soil-dwelling larvae of click beetles (wireworms) (Coleoptera: Elateridae) are serious pests of several agricultural crops worldwide. Hypnoidus bicolor and Limonius californicus are two major wireworm species damaging to spring wheat, particularly in the Golden Triangle, an important cereal-grow...

  13. Illustrated guide to the emerald ash borer, Agrilus planipennis Fairmaire and related species (Coleoptera, Buprestidae)

    Science.gov (United States)

    M. Lourdes Chamorro; Eduard Jendek; Robert A. Haack; Toby Petrice; Norman E. Woodley; Alexander S. Konstantinov; Mark G. Volkovitsh; Xing-Ke Yang; Vasily V. Grebennikov

    2015-01-01

    The 33 species of Agrilus (Coleoptera: Buprestidae) hypothesized to be most closely related or most similar to Agrilus planipennis Fairmaire (the emerald ash borer), are described and illustrated. Morphology (adults and immatures), biology, distribution, detailed taxonomic history and systematics are presented for each species,...

  14. Temperature influences on diapause induction and survival in the boll weevil (Coleoptera: Curculionidae)

    Science.gov (United States)

    The boll weevil, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae), has been the most important pest of cotton (Gossypium spp.) wherever it occurs. Although eradication programs in the U.S. have reduced the range of this pest, the weevil remains an intractable problem in subtropical Tex...

  15. Host boring preferences of the tea shot-hole borer Euwallacea fornicatus (Coleoptera: Curculionidae: Scolytinae)

    Science.gov (United States)

    The non-native shot-hole borer, Euwallacea nr. fornicatus Eichhoff (Coleoptera: Curculionidae: Scolytinae), was discovered in Florida’s avocado production area in Homestead in 2010. It is a highly polyphagous ambrosia beetle that carries Fusarium fungal symbionts. In susceptible host trees, the fung...

  16. Behavioral assays for evaluating host preferences of Euwallacea nr. fornicatus (Coleoptera: Curculionidae: Scolytinae).

    Science.gov (United States)

    In 2010, the exotic ambrosia beetle, Euwallacea nr. fornicatus Eichhoff (Coleoptera: Curculionidae: Scolytinae) was first discovered in Florida avocado groves. Introduction of its symbiotic Fusarium spp. fungi into galleries in the xylem tissue results in Fusarium-dieback disease. Unlike most ambros...

  17. Taxonomic review of the genus Leucopholis Dejean, 1833 (Coleoptera: Scarabaeidae: Melolonthinae: Leucopholini) in the Philippines.

    Science.gov (United States)

    Calcetas, Orlando A; Adorada, Jessamyn R

    2017-02-15

    The genus Leucopholis Dejean, 1833 (Coleoptera: Scarabaeidae: Melolonthinae: Leucopholini) is reviewed for the species from the Philippines. Five species of Leucopholis occur in the Philippines, including one new species. Keys to the genera of Leucopholini and to the species of Leucopholis in the Philippines are provided.

  18. Morphology and DNA barcoding reveal a new species of Eudicella from East Africa (Coleoptera: Scarabaeidae: Cetoniinae).

    Science.gov (United States)

    Seidel, Matthias

    2016-07-13

    A new species of Eudicella White, 1839 (Coleoptera: Scarabaeidae: Cetoniinae), is described from Uganda and Kenya: E. nana new species. Morphological and genetic analyses of the new taxon and phenotypically allied species are given. Eudicella nana is compared with its hypothesized sister species, E. darwiniana Kraatz, 1880, and diagnostic characters that distinguish it from other species occurring in the same region are provided.

  19. High-level phylogeny of the Coleoptera inferred with mitochondrial genome sequences.

    Science.gov (United States)

    Yuan, Ming-Long; Zhang, Qi-Lin; Zhang, Li; Guo, Zhong-Long; Liu, Yong-Jian; Shen, Yu-Ying; Shao, Renfu

    2016-11-01

    The Coleoptera (beetles) exhibits tremendous morphological, ecological, and behavioral diversity. To better understand the phylogenetics and evolution of beetles, we sequenced three complete mitogenomes from two families (Cleridae and Meloidae), which share conserved mitogenomic features with other completely sequenced beetles. We assessed the influence of six datasets and three inference methods on topology and nodal support within the Coleoptera. We found that both Bayesian inference and maximum likelihood with homogeneous-site models were greatly affected by nucleotide compositional heterogeneity, while the heterogeneous-site mixture model in PhyloBayes could provide better phylogenetic signals for the Coleoptera. The amino acid dataset generated more reliable tree topology at the higher taxonomic levels (i.e. suborders and series), where the inclusion of rRNA genes and the third positions of protein-coding genes improved phylogenetic inference at the superfamily level, especially under a heterogeneous-site model. We recovered the suborder relationships as (Archostemata+Adephaga)+(Myxophaga+Polyphaga). The series relationships within Polyphaga were recovered as (Scirtiformia+(Elateriformia+((Bostrichiformia+Scarabaeiformia+Staphyliniformia)+Cucujiformia))). All superfamilies within Cucujiformia were recovered as monophyletic. We obtained a cucujiform phylogeny of (Cleroidea+(Coccinelloidea+((Lymexyloidea+Tenebrionoidea)+(Cucujoidea+(Chrysomeloidea+Curculionoidea))))). This study showed that although tree topologies were sensitive to data types and inference methods, mitogenomic data could provide useful information for resolving the Coleoptera phylogeny at various taxonomic levels by using suitable datasets and heterogeneous-site models. Copyright © 2016 Elsevier Inc. All rights reserved.

  20. Two new species of Parandrinae (Coleoptera: Cerambycidae) in genera Parandra and Acutandra from South America

    Science.gov (United States)

    Two new species of high-elevation Parandrinae (Coleoptera: Cerambycidae) are described from Bolivia and Ecuador, South America. Both species are unusual in having piceous coloration over most of the dorsal surface. Acutandra caterinoi Lingafelter & Tishechkin, new species, is described from Pichin...

  1. Two new species of Megistophylla Burmeister (Coleoptera: Scarabaeidae: Melolonthinae) from Taiwan, with notes on the genus.

    Science.gov (United States)

    Li, Chun-Lin; Yang, Ping-Shih; Wang, Chuan-Chan

    2016-06-17

    The genus Megistophylla (Coleoptera: Scarabaeidae: Melolonthinae) was first reported from Taiwan with the descriptions and illustrations of two new species, Megistophylla formosana Wang & Li, new species () and Megistophylla xitoui Li & Wang, new species (). An annotated checklist and modified key for the species in the genus are provided. The information in checklist for each species includes: literature review, synonymy, distribution, and type locality.

  2. Influence of temperature on spring flight initiation for southwestern ponderosa pine bark beetles (Coleoptera: Curculionidae, Scolytinae)

    Science.gov (United States)

    M. L. Gaylord; K. K. Williams; R. W. Hofstetter; J. D. McMillin; T. E. Degomez; M. R. Wagner

    2008-01-01

    Determination of temperature requirements for many economically important insects is a cornerstone of pest management. For bark beetles (Coleoptera: Curculionidae, Scolytinae), this information can facilitate timing of management strategies. Our goals were to determine temperature predictors for flight initiation of three species of Ips bark beetles...

  3. A new species of the genus Crepidodera Chevrolat (Coleoptera: Chrysomelidae) from Baltic amber.

    Science.gov (United States)

    Bukejs, Andris

    2014-06-13

    A new flea-beetle species, Crepidodera svetlanae sp. nov. (Coleoptera: Chrysomelidae: Galerucinae: Alticini) is described and illustrated from the Baltic amber. The new species is compared with the fossil and recent species of the genus. A key to species of flea beetles known from fossil resin is provided.

  4. Ground beetle (Coleoptera: Carabidae) assemblages in the Conservation Reserve Program crop rotation systems in Interior Alaska

    Science.gov (United States)

    Adult ground beetles (Coleoptera: Carabidae) abundance and diversity were documented on Conservation Research Program (CRP) agricultural lands in Delta Junction, Alaska (64ºN, 145º W). Twenty species were documented based on a total sample of 6,116 specimens collected during 2006 and 2007. Two speci...

  5. Bioacoustics of Acanthoscelides obtectus (Coleoptera: Chrysomelidae: Bruchinae) on Phaseolus vulgaris (Fabaceae)

    Science.gov (United States)

    Acanthoscelides obtectus (Say) (Coleoptera: Chrysomelidae), is an economically important pest of common bean Phaseolus vulgaris L. (Fabaceae) in the tropics and subtropics. It is difficult to detect the presence of A. obtectus because the larvae are cryptic and spend most of their developmental time...

  6. Evaluation of double-decker traps for emerald ash borer (Coleoptera:Buprestidae)

    Science.gov (United States)

    Therese M. Poland; Deborah G. McCullough; Andrea C. Anulewicz

    2011-01-01

    Improved detection tools are needed for the emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), an invasive forest insect from Asia that has killed millions of ash (Fraxinus spp.) trees in North America since its discovery in Michigan in 2002.We evaluated attraction of adult A. planipennis...

  7. Dispersal of Agrilus planipennis (Coleoptera: Buprestidae) from discrete epicenters in two outlier sites

    Science.gov (United States)

    N.W. Siegert; D.G. McCullough; D.W. Williams; I. Fraser; T.M. Poland; S.J. Pierce

    2010-01-01

    Emerald ash borer, Agrilus planipennis (Fairmaire) (Coleoptera: Buprestidae), a phloem- feeding beetle native to Asia, has become one of the most destructive forest pests in North America. Since it was Þrst identified in 2002 in southeast Michigan and Windsor, Ontario, dozens of isolated A. planipennis populations have been...

  8. Characterization of an Aggregation Pheromone in Hylesinus pruinosus (Coleoptera: Curculionidae: Scolytinae)

    Science.gov (United States)

    William Shepherd; Brian Sullivan; Bradley Hoosier; JoAnne Barrett; Tessa Bauman

    2010-01-01

    We conducted laboratory and field bioassays to characterize the pheromone system of an ash bark beetle, Hylesinus pruinosus Eichhoff (Coleoptera: Curculionidae: Scolytinae). Solitary females in newly initiated galleries in ash logs produced (+)-exo-brevicomin, whereas male beetles paired with females produced (+)-endo-brevicomin, lesser quantities of...

  9. Chemical Control of the Redbay Ambrosia Beetle, Xyleborus glabratus (Coleoptera: Scolytinae) in Florida

    Science.gov (United States)

    The redbay ambrosia beetle, Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae), is an exotic pest of U.S. trees in the family Lauraceae, including avocado (Persea americana) and redbay (P. borbonia). It threatens avocado production in Florida by transmitting Raffaelea lauricola, the fungal...

  10. Diversity of Scolytinae (Coleoptera: Curculionidae) attracted to avocado, lychee, and essential oil lures

    Science.gov (United States)

    The redbay ambrosia beetle, Xyleborus glabratus Eichhoff (Coleoptera: Curculionidae: Scolytinae), is an exotic wood-boring insect that vectors laurel wilt, a lethal vascular disease of trees in the Lauraceae, including avocado (Persea americana) and native Persea species (redbay, swampbay). As part...

  11. The genus Platytenerus Miyatake, 1985 (Coleoptera: Cleridae: Neorthopleurinae), with description of a new species from Japan.

    Science.gov (United States)

    Murakami, Hiroyuki

    2015-03-23

    The genus Platytenerus Miyatake, 1985 (Coleoptera: Cleridae) is redescribed and classified into the subfamily Neorthopleurinae Opitz, 2009. A phylogenetic tree is supplementally provided for Platytenerus based on twenty morphological and two geographical characters. A new species of the genus, Platytenerus iriomotensis sp. n. is described from Iriomote Island, Okinawa, Japan.

  12. Upper lethal temperature limits of the common furniture beetle Anobium punctatum (Coleoptera: Anobiidae)

    DEFF Research Database (Denmark)

    Hansen, Lise Stengård; Jensen, Karl-Martin Vagn

    1996-01-01

    The susceptibility of the egg, larval and adult stages of Anobium punctatum De Geer (Coleoptera: Anobiidae) to heat (46-54°C, 25-30% RH) was investigated. The larval stage was found to be most tolerant to heat. Very short exposure (5 min) of the larvae to temperatures of 52°C and above led to 100...

  13. The beetles of the county of Salzburg - a contribution to the survey of European Invertebrates (Coleoptera)

    NARCIS (Netherlands)

    Geiser, E.

    2003-01-01

    The beetles of the county of Salzburg - a contribution to the survey of European Invertebrates (Coleoptera) Recently the author has published the book ‘Die Käfer des Landes Salzburg – Faunistische Bestandserfassung und tiergeographische Interpretation’ (‘The beetles of the county of Salzburg –

  14. A contribution to the rove beetles (Coleoptera: Staphylinidae, Paederinae in north of Iran

    Directory of Open Access Journals (Sweden)

    Masoud Mohammadi Dehcheshmeh

    2016-12-01

    Full Text Available In this paper, 19 species of rove beetles (Coleoptera: Staphylinidae, belonging to the subfamily Paederinae Fleming 1821, were collected from Mazandaran province, north of Iran, during 2015-2016. Two species, Rugilus angustatus Geoffroy 1758 and Astenus lyonessius (joy 1908 are reported for the first time from Iran.

  15. A checklist of seed-beetles (Coleoptera: Chrysomelidae: Bruchinae) from Iran.

    Science.gov (United States)

    Ghahari, Hassan; Borowiec, Lech

    2017-05-16

    The fauna of Iranian Bruchinae (Coleoptera: Chrysomelidae) is summarized in this paper. In total 117 species from 14 genera (Spermophagus Schoenherr, Zabrotes Horn, Acanthobruchidius Borowiec, Acanthoscelides Schilsky, Bruchidius Schilsky, Callosobruchus Pic, Mimosestes Bridwell, Paleoacanthoscelides Borowiec, Palaeobruchidius Egorov, Specularius Bridwell, Stator Bridwell, Bruchus Linnaeus, Caryedon Schoenherr, Rhaebus Fischer von Waldheim) are listed as the fauna of Iran.

  16. Study on the genus Daptus ground-beetles (Coleoptera: Carabidae from Korea

    Directory of Open Access Journals (Sweden)

    Ik Je Choi

    2016-03-01

    Full Text Available A genus Daptus Fischer von Waldheim, 1823 of the tribe Harpalini Bonelli, 1810 (Coleoptera: Carabidae is reported for the first time from Korea, based on the Daptus vittatus Fischer von Waldheim from Incheon, Korea. Redescription of the species and illustrations of diagnostic characteristics, including genitalia characteristics of both sexes, are provided.

  17. A novel semiochemical tool for protecting Pinus contorta from mortality attributed to Dendroctonus ponderosae (Coleoptera: Curculionidae)

    Science.gov (United States)

    Chris Fettig; A. S. Munson; M. Reinke; A. Mafra-Neto

    2015-01-01

    Verbenone (4,6,6-trimethylbicyclo[3.1.1]hept-3-en-2-one) is an antiaggregant of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae), a notable forest insect capable of causing extensive levels of tree mortality in western North America. Several formulations of verbenone are registered...

  18. A comparison of trap type and height for capturing cerambycid beetles (Coleoptera)

    Science.gov (United States)

    Elizabeth E. Graham; Therese M. Poland; Deborah G. McCullough; Jocelyn G. Millar

    2012-01-01

    Wood-boring beetles in the family Cerambycidae (Coleoptera) play important roles in many forest ecosystems. However, increasing numbers of invasive cerambycid species are transported to new countries by global commerce and threaten forest health in the United States and worldwide. Our goal was to identify effective detection tools for a broad array of cerambycid...

  19. Suitability and accessibility of immature Agrilus planipennis (Coleoptera: Buprestidae) stages to Tetrastichus planipennisi (Hymenoptera: Eulophidae)

    Science.gov (United States)

    Michael D. Ulyshen; Jian J. Duan; Leah S. Bauer; Ivich. Fraser

    2010-01-01

    Tetrastichus planipennisi Yang (Hymenoptera: Eulophidae), a gregarious larval endoparasitoid, is one of three biocontrol agents from Asia currently being released in the United States to combat the invasive emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae). The current protocol for rearing T....

  20. Interactions of Hylastes Species (Coleoptera: Scolytidae) with Leptographium Species Associated with Loblolly Pine Decline

    Science.gov (United States)

    Lori G. Eckhardt; Richard A. Goyer; Kier Klepzig; John P. Jones

    2004-01-01

    Abstract Hylastes spp. (Coleoptera: Scolytidae)were evaluated as potential vectors of Leptographium spp. fungi. Bark beetles were trapped from stands of loblolly pine, Pinus taeda L., exhibiting a range of decline symptoms in central Alabama. Under controlled conditions, field-collected adult...

  1. Novel method for determining sex of live adult Laricobius nigrinus (Coleoptera: Derodontidae).

    Science.gov (United States)

    William Shepherd; Michael Montgomery; Brian Sullivan; Albert (Bud) Mayfield

    2014-01-01

    A method for determining the sex of live adult Laricobius nigrinus Fender (Coleoptera:Derodontidae) is described. Beetles were briefly chilled and positioned ventral-side-up under a dissecting microscope. Two forceps with blunted ends were used to gently brace the beetle and press on the centre of the abdomen to extrude its terminal segments. Male beetles were...

  2. Risk to native Uroleucon aphids (Hemiptera: Aphididae) from non-native lady beetles (Coleoptera: Coccinellidae)

    Science.gov (United States)

    Aphids in the genus Uroleucon Mordvilko (Hemiptera: Aphididae) are native herbivores that feed on goldenrod (Solidago spp.) and other Asteraceae in North America. The aphids are potential prey for a wide variety of natural enemies, including native and non-native species of lady beetles (Coleoptera...

  3. Incorporating a sorghum habitat for enhancing lady beetles (Coleoptera:Coccinellidae) in cotton

    Science.gov (United States)

    Lady beetles (Coleoptera: Coccinellidae) are important predators of cotton insect pests. The objective of this 2-yr on-farm study was to examine the ability of a sorghum trap crop with Euschistus spp. pheromone baited capture traps to enhance these predators in cotton in Georgia. Scymnus spp., Cocci...

  4. New record of predatory ladybird beetle (Coleoptera, Coccinellidae feeding on extrafloral nectaries

    Directory of Open Access Journals (Sweden)

    Lúcia M. Almeida

    2011-09-01

    Full Text Available New record of predatory ladybird beetle (Coleoptera, Coccinellidae feeding on extrafloral nectaries. Feeding by Exoplectra miniata (Germar on extrafloral nectaries of Inga edulis Mart. was observed in Nova Friburgo, Rio de Janeiro, Brazil. This is the first record of this behavior for Exoplectrini.

  5. Diapause and post-diapause quiescence demonstrated in overwintering Harmonia axyeidis (Coleoptera: Coccinellidae) in northwestern Europe

    NARCIS (Netherlands)

    Raak-van den Berg, C.L.; Jong, de P.W.; Hemerik, L.; Lenteren, van J.C.

    2013-01-01

    The Asian ladybird Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) is regarded as an invasive species in many parts of the world. In a previous study we hypothesised that H. axyridis enters diapause at the end of October and then shifts to a quiescent state in December in northwestern Europe.

  6. Flight propensty of Anoplophora glabripennis, an Asian longhorned beetle (Coleoptera: Cerambycidae)

    Science.gov (United States)

    J. A. Francese; B. Wang; D. R. Lance; Z. Xu; S. Zong; Y. Luo; A. J. Sawyer; V. C. Mastro

    2003-01-01

    Anoplophora glabripennis (Coleoptera: Cerambycidae) (Motschulsky), is a recently introduced pest of hardwoods. Research to study its flight behavior was conducted in the field in Ningxia Autonomous Region, Peoples' Republic of China. To study the flight propensity of A. glabripennis, adult beetles were observed in population...

  7. A new species and first record of Cotinis Burmeister (Coleoptera: Scarabaeidae: Cetoniinae) for Venezuela.

    Science.gov (United States)

    Gasca-Álvarez, Héctor Jaime; Deloya, Cuauhtémoc

    2015-04-20

    A new Cotinis Burmeister (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini) species from Venezuela is described and illustrated. The new species is compared with Cotinis barthelemyi (Gory & Percheron) from Colombia. The Neotropical distribution of Cotinis is expanded to Venezuela. A revised key to the species of Cotinis is provided in both English and Spanish.

  8. Oxycheila binotata Gray (Coleoptera: Carabidae: Cicindelinae), information on a little known taxon from Colombia

    OpenAIRE

    Kippenhan, Mike

    2011-01-01

    Two specimens of Oxycheila binotata Gray (Coleoptera: Carabidae: Cicindelinae) in the Field Museum of Natural History offer additional information on the morphology and distribution of this rare species. One of the specimens, a female, is considered to be the first known specimen of this species.

  9. Carabid beetles (Coleoptera: Carabidae) collected from different ecosystems in Iran with new records

    National Research Council Canada - National Science Library

    AVGIN, Sakine Serap; GHAHARI, Hassan; OSTOVAN, Hadi

    2010-01-01

    ... kaydedilmiştir. Bütün türler için coğrafik dağılım ve korotip bilgisi verilmiştir. The Carabidae (Coleoptera) of apple orchards and alfalfa fields in seventeen agricultural sites of ten provinces of Iran have been investigated...

  10. Nova espécie do gênero Ptesimopsia Costa (Coleoptera, Elateridae, Agrypninae

    Directory of Open Access Journals (Sweden)

    Simone Policena Rosa

    2004-06-01

    Full Text Available Ptesimopsia gracilis sp. nov. coletada em armadilha malaise na Fazenda Jaburu, Canindé do São Francisco, Sergipe, Brasil, é descrita e ilustrada.New species of the genus Ptesimopsia Costa (Coleoptera, Elateridae, Agrypninae. Ptesimopsia gracilis sp. nov. collected by malaise trap at Fazenda Jaburu, Canindé do São Francisco, Sergipe, Brazil, is described and illustrated.

  11. Variation in enantiospecific attraction of Ips avulsus (Coleoptera: Curculionidae) to the pheromone ipsdienol in Georgia.

    Science.gov (United States)

    Daniel Miller; Jeremy Allison

    2011-01-01

    In 2006, we tested the responses of the small southern pine engraver, Ips avulsus (Eichhoff) (Coleoptera: Curculionidae), to multiple-funnel traps baited with (+)-, (-)-, and (+/-)- ipsdienol. Three experiments were conducted in Georgia with all traps co-baited with one of the following lure combinations, respectively: experiment 1, ipsenol; experiment 2, lanierone and...

  12. Lack of genetic differentiation in aggressive and secondary bark beetles (Coleoptera: Curculionidae, Scolytinae) from Arizona

    Science.gov (United States)

    Christopher J. Allender; Karen M. Clancy; Tom E. DeGomez; Joel D. McMillin; Scott A. Woolbright; Paul Keim; David M. Wagner

    2008-01-01

    Bark beetles (Coleoptera: Curculionidae, Scolytinae) play an important role as disturbance agents in ponderosa pine (Pinus ponderosa Douglas ex Lawson) forests of Arizona. However, from 2001 to 2003, elevated bark beetle activity caused unprecedented levels of ponderosa pine mortality. A better understanding of the population structure of these...

  13. Pine sawyers (Coleoptera: Cerambycidae) attracted to a-pinene, monochamol, and ipsenol in North America

    Science.gov (United States)

    Dan Miller; J. D. Allison; C. M. Crowe; Matthew Dickinson; A. Eglitis; R. W. Hofstetter; A. S. Munson; Therese M. Poland; L. S. Reid; B. E. Steed; J. D. Sweeney

    2016-01-01

    Detection tools are needed for Monochamus species (Coleoptera: Cerambycidae) because they are known to introduce pine wilt disease by vectoring nematodes in Asia, Europe, and North America. In 2012–2014, we examined the effects of the semiochemicals monochamol and ipsenol on the flight responses of the sawyer beetles Monochamus carolinensis (Olivier), Monochamus...

  14. A small-bolt method for screening tree protectants against bark beetles (coleoptera: curculionidae)

    Science.gov (United States)

    B.L. Strom; L.M. Roton

    2009-01-01

    A simple, small-bolt method was developed and refi ned for evaluating and screening treatments being considered as prophylactics against bark beetles (Coleoptera: Curculionidae: Scolytinae). Using this method, 4 insecticide products (3 active ingredients) were evaluated against the southern pine beetle, Dendroctonus frontalis Zimmermann, intermittently during a period...

  15. Host selection and feeding preference of Agrilus planipennis (Coleoptera: Buprestidae) on ash (Fraxinus spp.)

    Science.gov (United States)

    Deepa S. Pureswaran; Therese M. Poland

    2009-01-01

    We studied the host selection behavior and feeding preference of the emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae). A. planipennis is an exotic forest insect pest native to Asia that was discovered in North America in 2002 and is causing widespread mortality of ash trees (Fraxinus spp...

  16. Microbial control of Agrilus planipennis (Coleoptera: Buprestidae) with Beauveria bassiana strain GHA: field applications

    Science.gov (United States)

    Houping Liu; Leah S. Bauer

    2008-01-01

    The effects of Beauveria bassiana strain GHA, applied as BotaniGard ES, on newly colonised and well-established populations of emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae) were evaluated in the field using foliar and trunk sprays in Michigan in 2004-2005. Results from field trials at a newly colonised white ash...

  17. Field Response of Dendroctonus frontalis (Coleoptera: Scolytinae) to Synthetic Semiochemicals in Chiapas, Mexico.

    Science.gov (United States)

    Benjamin Moreno; Jorge Macias; Brian Sullivan; Stephen Clarke

    2008-01-01

    Dendroctonus frontalis Zimmermann (Coleoptera: Scolytinae) is the most serious pestof pines (Pinus spp.) in Mexico. ConspeciÞcs are attracted to trees undergoing colonization by the  aggregation pheromone frontalin, which is synergized by odors of pine oleoresin released from beetle-damaged host tissue. Synthetic racemic frontalin combined with turpentine has been the...

  18. Trapping Phyllophaga spp. (Coleoptera: Scarabaeidae: Melolonthinae) in the United States and Canada using sex attractants

    Science.gov (United States)

    Paul S. Robbins; Steven R. Alm; Charles D. Armstrong; Anne L. Averill; Thomas C. Baker; Robert J. Bauernfiend; Frederick P. Baxendale; S. Kris Braman; Rick L. Brandenburg; Daniel B. Cash; Gary J. Couch; Richard S. Cowles; Robert L. Crocker; Zandra D. DeLamar; Timothy G. Dittl; Sheila M. Fitzpatrick; Kathy L. Flanders; Tom Forgatsch; Timothy J. Gibb; Bruce D. Gill; Daniel O. Gilrein; Clyde S. Gorsuch; Abner M. Hammond; Patricia D. Hastings; David W. Held; Paul R. Heller; Rose T. Hiskes; James L. Holliman; William G. Hudson; Michael G. Klein; Vera L. Krischik; David J. Lee; Charles E. Linn; Nancy J. Luce; Kenna E. MacKenzie; Catherine M. Mannion; Sridhar Polavarapu; Daniel A. Potter; Wendell L. Roelofs; Brian M. Rovals; Glenn A. Salsbury; Nathan M. Schiff; David J. Shetlar; Margaret Skinner; Beverly L. Sparks; Jessica A. Sutschek; Timothy P. Sutschek; Stanley R. Swier; Martha M. Sylvia; Niel J. Vickers; Patricia J. Vittum; Richard Weidman; Donald C. Weber; R. Chris Williamson; Michael G. Villani

    2006-01-01

    The sex pheromone of the scarab beetle, Phyllophaga anxia, is a blend of the methyl esters of two amino acids, L-valine and L-isoleucine. A field trapping study was conducted, deploying different blends of the two compounds at 59 locations in the United States and Canada. More than 57,000 males of 61 Phyllophaga species (Coleoptera...

  19. Ambrosia Beetle (Coleoptera: Scolytidae) species, flight, and attack on living eastern cottonwood trees

    Science.gov (United States)

    David R. Coyle; Derek C. Booth; M. S. Wallace

    2005-01-01

    In spring 2002, ambrosia beetles (Coleoptera: Scolytidae) infested an intensively managed 22-ha tree plantation on the upper coastal plain of South Carolina. Nearly 3,500 scolytids representing 28 species were captured in ethanol-baited traps from 18 June 2002 to 18 April 2004. More than 88% of total captures were exotic species. Five species [Dryoxylon...

  20. Semiochemical disruption of the pine shoot beetle, Tomicus piniperda (Coleoptera: Scolytidae)

    Science.gov (United States)

    Therese M. Poland; Peter De Groot; Stephen Burke; David Wakarchuk; Robert A. Haack; Reginald Nott

    2004-01-01

    The pine shoot beetle, Tomicus piniperda (Coleoptera: Scolytidae), is an exotic pest of pine in North America. We evaluated blends of semiochemical disruptants, which included nonhost volatiles and verbenone, for their ability to disrupt attraction of T. piniperda to traps baited with the attractant α-pinene and to Scots...

  1. Review of the genus Ceresium Newman, 1842 (Coleoptera: Cerambycidae) in Fiji

    Science.gov (United States)

    A taxonomic review of the genus Ceresium (Coleoptera: Cerambycidae) found within the Fiji Islands is presented. A total of 17 species is treated. Full morphological descriptions and comparative images of each species are included, along with a dichotomous key for their identification....

  2. Patterns of tree species usage by long-horned beetles (Coleoptera: Cerambycidae) in Fiji

    Czech Academy of Sciences Publication Activity Database

    Waqa-Sakiti, H.; Stewart, A.; Čížek, Lukáš; Hodge, S.

    2014-01-01

    Roč. 68, č. 1 (2014), s. 57-64 ISSN 0030-8870 R&D Projects: GA ČR GAP504/12/1952 Institutional support: RVO:60077344 Keywords : Coleoptera Subject RIV: EH - Ecology, Behaviour Impact factor: 0.924, year: 2014 http://www.bioone.org/doi/pdf/10.2984/68.1.5

  3. An Annotated Checklist of the Lady Beetles (Coleoptera: Coccinellidae) of Iowa, USA

    Science.gov (United States)

    An annotated list of 80 species of lady beetles (Coccinellidae: Coleoptera) that occur in the state of Iowa, U.S.A., is presented based on literature searches and a review of over 3500 specimens from institutional and private collections. The list includes new state records for Scymnus tenebrosus M...

  4. Review of the genus Ceresium Newman, 1842 (Coleoptera, Cerambycidae) in Fiji

    Science.gov (United States)

    Waqa-Sakiti, Hilda; Winder, Linton; Lingafelter, Steven W.

    2015-01-01

    Abstract A taxonomic review of the genus Ceresium (Coleoptera: Cerambycidae) found within the Fiji Islands is presented. A total of 17 species is treated. Full morphological descriptions and comparative images of each species are included, along with a dichotomous key for their identification. PMID:26692805

  5. EPURAEA DEUBELI REITTER, 1898, A CONFIRMED SAPROXYLIC SAP BEETLE FOR THE ITALIAN FAUNA (Coleoptera, Nitidulidae

    Directory of Open Access Journals (Sweden)

    Paolo Audisio

    2013-10-01

    Full Text Available During ecological investigations on saproxylic beetle communities at Monte Baldo (Veneto, Verona province, two specimens of Epuraea deubeli Reitter, 1898 (Coleoptera, Nitidulidae were recently collected. It is the first known sure record of this species in Italy (previously known from Northern, Eastern, and Central Europe, southwards to Austria, and from Western Siberia.

  6. Impact of Adult Weight, Density, and Age on Reproduction of Tenebrio molitor (Coleoptera: Tenebrionidae)

    Science.gov (United States)

    The impact of adult weight, age, and density on reproduction of Tenebrio molitor L. (Coleoptera: Tenebrionidae) was studied. The impact of adult weight on reproduction was determined in two ways: 1) counting the daily progeny of individual adult pairs of known weight and analyzing the data with line...

  7. Use of nutrient self selection as a diet refining tool in Tenebrio molitor (Coleoptera: Tenebrionidae)

    Science.gov (United States)

    A new method to refine existing dietary supplements for improving production of the yellow mealworm, Tenebrio molitor L. (Coleoptera: Tenebrionidae), was tested. Self selected ratios of 6 dietary ingredients by T. molitor larvae were used to produce a dietary supplement. This supplement was compared...

  8. Flying for life : wing dimorphism in closely related species of the genus Calathus (Coleoptera: Carabidae)

    NARCIS (Netherlands)

    Aukema, B.

    1995-01-01

    Factors governing wing dimorphism in ground beetles (Coleoptera: Carabidae) of the Calathus melanocephalus complex have been studied in relation to dispersal by flight. In Western Europe this complex consists of three well-defined species, as was shown by cross-breeding

  9. An Online Database of the Immatures of Coleoptera (Arthopoda, Insecta) Described from Brazil

    Science.gov (United States)

    Costa, Cleide

    2017-01-01

    Abstract Background An online database of the described immature beetles from Brazil is presented for the first time based on published literature. The main purpose of this online database is to ensure accessibility to data associated with the described immature Coleoptera from Brazil, which will be useful for future biological, ecological, conservational and biogeographical studies. New information More than 9,486 specimens of 248 genera, 282 species and 4 subspecies of 76 Coleoptera families from 15 states and the Federal District of Brazil were found. Taxonomical and ecological information about each species, when available, are given. The dataset of Immatures of Coleoptera described from Brazil are available and can be accessed through the portals of GBIF at http://www.gbif.org/dataset/8e0e9330-e1b2-475a-9891-4fa8e5c6f57f and the SiBBr at http://ipt.sibbr.gov.br/sibbr/resource?r=coleoptera_immature_of_brazil. PMID:28765725

  10. Biology, ecology, and management of Xylosandrus spp. ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) in ornamental tree nurseries

    Science.gov (United States)

    Xylosandrus germanus (Blandford) and Xylosandrus crassiusculus (Motschulsky) (Coleoptera: Curculionidae: Scolytinae) are two of the most damaging non-native ambrosia beetle pests in ornamental tree nurseries. Adult females tunnel into the stems and branches of host trees to create galleries with bro...

  11. Rearing redbay ambrosia beetle, Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae), on semi-artifical media

    Science.gov (United States)

    M. Lake Maner; James Hanula; S. Kristine Braman

    2014-01-01

    Semi-artificial diets consisting of redbay (Persea borbonia (L.) Spreng,; Laurales: Lauraceae) sawdust and various nutrients were tested for rearing Xyleborus glabratus Eichoff (Coleoptera: Curculionidae: Scolytinae) in vitro. Comparison of 2 media, modified and standard, adapted from Biedermann et al. (2009) showed that the more...

  12. Integrating kaolin clay for ambrosia beetle (Coleoptera: Curculionidae: Scolytinae) management in ornamental tree nurseries

    Science.gov (United States)

    Abstract Invasive ambrosia beetles (Coleoptera: Curculionidae) are an important pest problem at ornamental tree nurseries. Available chemical measures are not completely effective, and due to the length of the beetle dispersal period and product breakdown, repeated treatments can become costly in ...

  13. Addenda and Corrigenda to the Catalogue of Palaearctic Coleoptera, volumes 7 and 8 (Curculionoidea)

    OpenAIRE

    Alonso-Zarazaga, Miguel A.; Caldara, Roberto; Machado,Antonio; Maughan, Nicolas; Pelletier, Jean; Pierotti, Helio; Ren, Li; Sforzi, Alessandra.; Silfverberg, Hans; Skuhrovec, Jirislav

    2016-01-01

    Additions, corrections, comments and nomenclatural novelties for the volumes 7 and 8 of the Catalogue of Palaearctic Coleoptera are provided. For the exact authorship of these check the text. One new species is described: Mecinus tavaresi Caldara & Fogato, sp. nov. from Portugal and Spain. New synonymies are: Compsapoderus (Compsapoderus) erythropterus (Gmelin, 1790) = Attelabus intermedius Hellwig, 1795, syn. nov.; Paroplapoderus (Erycapoderus) angulipennis (Kolbe, 1886) = Paroplapoderus ...

  14. Chaves para a identificação dos principais Coleoptera (Insecta associados com produtos armazenados Keys for the identification of Coleoptera (Insecta associated with stored products

    Directory of Open Access Journals (Sweden)

    Paulo Roberto Valle da Silva Pereira

    2001-03-01

    Full Text Available An illustrated key to identify nine families of Coleoptera commonly found in stored products is presented. Keys for the identification of Anobiidae [Lasioderma serricorne (Fabricius, 1792, Stegobium paniceum (Linnaeus, 1761], Bruchidae [Acanthoscelides obtectus (Say, 1831, Zabrotes subfasciatus (Boheman, 1833], Curculionidae [Sitophilus oryzae (Linnaeus, 1763, S. zeamais Motschulsky, 1885], Silvanidae [Ahasverus advena (Waltl, 1832, Cathartus quadricollis (Guérin, 1892, Oryzaephilus mercator (Fauvel, 1889, O. surinamensis (Linnaeus, 1758] and Tenebrionidae [Gnathocerus cornutus (Fabricius, 1798, Tribolium castaneum (Herbst, 1797, T. confusum du Val, 1868] are also provided. These keys cover the most frequent Coleoptera found in stored products, specially grains, and are to the adult stage only. Illustrations of external morphology and general characteristics are provided for each species reported.

  15. ESPECIES DE DRYOPHTHORINAE (COLEOPTERA: CURCULIONIDAE ASOCIADAS A PLÁTANO Y BANANO (Musaspp. EN COLOMBIA Dryophthorinae Species (Coleoptera: Curculionidae Associted to Platain and Banana crops (Musaspp. in Colombia

    Directory of Open Access Journals (Sweden)

    PAULA A SEPÚLVEDA-CANO

    Full Text Available Se presenta una sinopsis de los escarabajos de la subfamilia Dryophthorinae (Coleoptera: Curculionidae asociados a cultivos de plátano y banano en Colombia. Adicionalmente se ofrecen claves ilustradas para las especies del país. Se registran seis especies asociadas a dichos cultivos: Cosmopolites sordidus (Germar, 1824, Metamasius hemipterus (Linnaeus, 1758, Metamasius hebetatus (Gyllenhal, 1838, Metamasius submaculatus Champion, 1910, Rhyncophorus palmarum (Linnaeus, 1758 y Polytus mellerborgii (Boheman, 1838.This synopsis is about beetle&#’;s subfamily Dryophthorinae (Coleoptera: Curculionidae associated to plantain and banana crops. Additionally keys illustrated for the species of the country are offered. Six species associated to these cultures are registered: Cosmopolites sordidus (Germar, 1824, Metamasius hemipterus (Linnaeus, 1758, Metamasius hebetatus (Gyllenhal, 1838, Metamasius submaculatus Champion, 1910, Rhyncophorus palmarum (Linnaeus, 1758 y Polytus mellerborgii (Boheman, 1838.

  16. Onciderini Thomson, 1860 (Coleoptera: Cerambycidae: Lamiinae) types of the Museum of Comparative Zoology (MCZ), with a brief history of the Coleoptera collection

    OpenAIRE

    Nearns, Eugenio H.; Powell, Gareth S.

    2017-01-01

    The primary types of Onciderini Thomson, 1860 (Coleoptera: Cerambycidae: Lamiinae) of the Museum of Comparative Zoology (MCZ), Harvard University, are catalogued and illustrated. Data on the original combination, current name, gender, and type locality are verifi ed and presented. There are 19 primary types of Onciderini including seven in Oncideres Lacordaire, 1830; two in Hesychotypa Thomson, 1868; and two in Hypsioma Audinet-Serville, 1835. Of the 19 primary types, 18 were described by L. ...

  17. Revisiting Coleoptera a + T-rich region: structural conservation, phylogenetic and phylogeographic approaches in mitochondrial control region of bioluminescent Elateridae species (Coleoptera).

    Science.gov (United States)

    Amaral, Danilo T; Mitani, Yasuo; Oliveira, Gabriela; Ohmiya, Yoshihiro; Viviani, Vadim R

    2017-09-01

    The control region (CR) or A + T-rich region in Coleoptera mt genome is poorly characterized, including the Elateroidea bioluminescent species. Here, we provided the first attempt to characterize and compare the structure and organization of the CR of different species within Elateridae. We also revisited some sequenced Coleoptera CR and observed consensus T-stretches, non-conserved sequences near the stem-loop and unusual inner tRNAs-like sequences. All these features are probably involved in the replication start of the mt genome. The phylogenetic relationships in Elateridae bioluminescent groups using partial sequence of CR showed the monophyly of Pyrearinus pumilus group and Pyrearinus as a polyphyletic genus, corroborating our previous results. The wider genetic variation obtained by CR analysis could separate two different lineages that occur within P. termitilluminans populations. In Elateridae, the CR exhibited high polymorphism within and between populations, which was also observed in other Coleoptera species, suggesting that the CR could be described as a suitable molecular marker to be applied in phylogenetic and phylogeographic studies.

  18. Diversity of Scydmaeninae (Coleoptera: Staphylinidae) in Upper Eocene Rovno amber.

    Science.gov (United States)

    Jałoszyński, Paweł; Perkovsky, Evgeny

    2016-08-25

    Among nearly 1270 inclusions of Coleoptera found in Upper Eocene Rovno amber, 69 were identified as ant-like stone beetles (Scydmaeninae); 34 were possible to unambiguously determine to the tribal level and were studied in detail. Rovnoleptochromus ableptonoides gen. & sp. n. (Mastigitae: Clidicini), Vertheia quadrisetosa gen. & sp. n. (Cephenniitae: Eutheiini), Cephennomicrus giganteus sp. n. (Cephenniitae: Cephenniini), Glaesoconnus unicus gen. & sp. n. (Scydmaenitae: Glandulariini), Rovnoscydmus frontalis gen. & sp. n. (Scydmaenitae: Glandulariini; type species of Rovnoscydmus), Rovnoscydmus microscopicus sp. n., Euconnus (incertae sedis, near Cladoconnus) palaeogenus sp. n. (Scydmaenitae: Glandulariini), and Stenichnus (s. str.) proavus sp. n. (Scydmaenitae: Glandulariini) are described. Additionally, specimens representing one undescribed species of Vertheia, one of Cephennodes, five of Cephennomicrus, one of Euconnus, one of Microscydmus are recorded, and nine specimens representing an unknown number of species of Rovnoscydmus (and two putative Rovnoscydmus), one Euconnus (and one putative Euconnus), two putative Microscydmus and one putative Scydmoraphes were found in the studied material. The composition of Scydmaeninae fauna in Rovno amber is discussed in the context of ecological preferences and distribution of extant taxa. It is concluded that subtropical and tropical taxa were present in the region where Rovno amber has formed, most notably the second genus and species of the extant tribe Clidicini known from the Eocene of Europe, and six species of the extant genus Cephennomicrus, for the first time found in the fossil record. An annotated catalog of nominal species of Scydmaeninae known in the fossil record is given.

  19. Species Relationships in the Genus Bryodaemon (Coleoptera: Curculionidae).

    Science.gov (United States)

    Wacławik, Beniamin; Skalski, Tomasz; Lachowska-Cierlik, Dorota

    2015-01-01

    Establishing reliable taxonomy and phylogeny of similar, evolutionarily young species is among the greatest challenges in biology. Clearly the best approach is to use a combination of informative traits, including molecular markers and morphometric measurements. The objective of this study was to verify the taxonomy and phylogeny of four morphologically similar Carpathian species of Bryodaemon Podlussany, 1998 (Coleoptera: Curculionidae). Species relationships were studied using three molecular markers: two nuclear (ITS-2 and EF1-α) and one mitochondrial (COI, barcoding marker). We also took morphometric measurements of 35 taxonomically derived characteristics of body parts and genital apparatus. The potential presence of apomorphic features also was determined. We then compared our results with data concerning the ecology and geography of previously studied species. Our analyses confirmed the monophyly ofthis group and established a phylogeny for the genus. We propose that B. hanakii is the earliest derived species, based on morphometric measurements, apomorphies and the EF-lα phylogeny. The pattern ofnucleotide variation in this marker also indicates that B. rozneri and B. boroveci are the youngest species. This hypothesis is consistent with geographical ranges and ecological preferences of Carpathian Bryodaemon species. We also considered an alternative hypothesis based on the COI gene tree which indicated that B. rozneri was the oldest species. However, this arrangement is inconsistent with our morphological data.

  20. Novos táxons de Apomecynini (Coleoptera, Cerambycidae, Lamiinae

    Directory of Open Access Journals (Sweden)

    Ubirajara R. Martins

    2008-01-01

    Full Text Available Novos táxons descritos: Tethystola cincta sp. nov. e Rosalba formosa sp. nov. da Bolívia (Santa Cruz; Adetus stellatus sp. nov. da Costa Rica (Cartago; Acrepidopterum capilosum sp. nov. de Honduras (Ilha Roatán; Irundiaba gen. nov. espécie-tipo, I. waorani sp. nov. do Equador (Napo. Novo nome Neopoticatuca é proposto para Potiatuca Martins & Galileo, 2007 (Cerambycinae, Ibidionini non Potiatuca Galileo & Martins, 2006 (Lamiinae, Apomecynini; Neopotiatuca brevis (Martins & Galileo, 2007 comb. nov.New taxa on Apomecynini (Coleoptera, Cerambycidae, Lamiinae. New taxa described: Tethystola cincta sp. nov. and Rosalba formosa sp. nov. from Bolívia (Santa Cruz; Adetus stellatus sp. nov. from Costa Rica (Cartago; Acrepidopterum capilosum sp. nov. from Honduras (Ilha Roatán; Irundiaba gen. nov. type species, I. waorani sp. nov. from Ecuador (Napo. A new name, Neopoticatuca is proposed to Potiatuca Martins & Galileo, 2007 (Cerambycinae, Ibidionini non Potiatuca Galileo & Martins, 2006 (Lamiinae, Apomecynini; Neopotiatuca brevis (Martins & Galileo, 2007 comb. nov.

  1. DNA barcoding of Japanese click beetles (Coleoptera, Elateridae).

    Science.gov (United States)

    Oba, Yuichi; Ôhira, Hitoo; Murase, Yukio; Moriyama, Akihiko; Kumazawa, Yoshinori

    2015-01-01

    Click beetles (Coleoptera: Elateridae) represent one of the largest groups of beetle insects. Some click beetles in larval form, known as wireworms, are destructive agricultural pests. Morphological identification of click beetles is generally difficult and requires taxonomic expertise. This study reports on the DNA barcoding of Japanese click beetles to enable their rapid and accurate identification. We collected and assembled 762 cytochrome oxidase subunit I barcode sequences from 275 species, which cover approximately 75% of the common species found on the Japanese main island, Honshu. This barcode library also contains 20 out of the 21 potential pest species recorded in Japan. Our analysis shows that most morphologically identified species form distinct phylogenetic clusters separated from each other by large molecular distances. This supports the general usefulness of the DNA barcoding approach for quick and reliable identification of Japanese elaterid species for environmental impact assessment, agricultural pest control, and biodiversity analysis. On the other hand, the taxonomic boundary in dozens of species did not agree with the boundary of barcode index numbers (a criterion for sequence-based species delimitation). These findings urge taxonomic reinvestigation of these mismatched taxa.

  2. Phylogeny of ladybirds (Coleoptera: Coccinellidae): are the subfamilies monophyletic?

    Science.gov (United States)

    Magro, A; Lecompte, E; Magné, F; Hemptinne, J-L; Crouau-Roy, B

    2010-03-01

    The Coccinellidae (ladybirds) is a highly speciose family of the Coleoptera. Ladybirds are well known because of their use as biocontrol agents, and are the subject of many ecological studies. However, little is known about phylogenetic relationships of the Coccinellidae, and a precise evolutionary framework is needed for the family. This paper provides the first phylogenetic reconstruction of the relationships within the Coccinellidae based on analysis of five genes: the 18S and 28S rRNA nuclear genes and the mitochondrial 12S, 16S rRNA and cytochrome oxidase subunit I (COI) genes. The phylogenetic relationships of 67 terminal taxa, representative of all the subfamilies of the Coccinellidae (61 species, 37 genera), and relevant outgroups, were reconstructed using multiple approaches, including Bayesian inference with partitioning strategies. The recovered phylogenies are congruent and show that the Coccinellinae is monophyletic but the Coccidulinae, Epilachninae, Scymninae and Chilocorinae are paraphyletic. The tribe Chilocorini is identified as the sister-group of the Coccinellinae for the first time. Copyright 2009 Elsevier Inc. All rights reserved.

  3. O gênero Callideriphus Blanchard, 1851 (Coleoptera, Cerambycidae, Heteropsini

    Directory of Open Access Journals (Sweden)

    Dilma Solange Napp

    2002-01-01

    Full Text Available The genus Callideriphus Blanchard, 1851 (Coleoptera, Cerambycidae, Heteropsini. The genus Callideriphus comprises only two species: C. grossipes Blanchard, 1851 (type species and C. tucumanus sp. nov. (Argentina, Tucumán. The type locality of C. grossipes had been originally indicated as Chile, but it is supposedly considered erroneous. Its distribution, actually, extends from Southeastern Brazil up to Argentina, along the Atlantic Forest. This species is extremely variable in regard to its coloration and elytral punctation. Two subspecies are recognized: C. grossipes grossipes Blanchard, 1851 (BRAZIL: Minas Gerais, Espírito Santo, São Paulo, Paraná, Santa Catarina and C. grossipes flavipennis Melzer, 1934 (BRAZIL: Santa Catarina, Rio Grande do Sul; ARGENTINA: Chaco, Entre Ríos, Buenos Aires. Four intermediate forms are recorded and commented. Redescription and a key to species are added. Nomenclatural changes: Callideriphus grossipes grossipes Blanchard, 1851 = C. grossipes var. brasliensis Melzer, 1923 syn. nov. = C. rubricollis Melzer, 1934 syn. nov.; Callideriphus grossipes flavipennis Melzer, 1934 stat nov. = C. signaticollis Melzer, 1934 syn. nov.

  4. Plant compounds insecticide activity against Coleoptera pests of stored products

    Energy Technology Data Exchange (ETDEWEB)

    Moreira, Marcio Dionizio; Picanco, Marcelo Coutinho; Guedes, Raul Narciso Carvalho; Campos, Mateus Ribeiro de; Silva, Gerson Adriano; Martins, Julio Claudio [Universidade Federal de Vicosa (UFV), MG (Brazil). Dept. de Biologia Animal]. E-mail: marcio.dionizio@gmail.com; picanco@ufv.br; guedes@ufv.br; mateusc3@yahoo.com.br; agronomiasilva@yahoo.com.br

    2007-07-15

    The objective of this work was to screen plants with insecticide activity, in order to isolate, identify and assess the bioactivity of insecticide compounds present in these plants, against Coleoptera pests of stored products: Oryzaephilus surinamensis L. (Silvanidae), Rhyzopertha dominica F. (Bostrichidae) and Sitophilus zeamais Mots. (Curculionidae). The plant species used were: basil (Ocimum selloi Benth.), rue (Ruta graveolens L.), lion's ear (Leonotis nepetifolia (L.) R.Br.), jimson weed (Datura stramonium L.), baleeira herb (Cordia verbenacea L.), mint (Mentha piperita L.), wild balsam apple (Mormodica charantia L.), and billy goat weed or mentrasto (Ageratum conyzoides L.). The insecticide activity of hexane and ethanol extracts from those plants on R. dominica was evaluated. Among them, only hexane extract of A. conyzoides showed insecticide activity; the hexane extract of this species was successively fractionated by silica gel column chromatography, for isolation and purification of the active compounds. Compounds 5,6,7,8,3',4',5'-heptamethoxyflavone; 5,6,7,8,3'-pentamethoxy-4',5'-methilenedioxyflavone and coumarin were identified. However, only coumarin showed insecticide activity against three insect pests (LD{sub 50} from 2.72 to 39.71 mg g{sup -1} a.i.). The increasing order of insects susceptibility to coumarin was R. dominica, S. zeamais and O. surinamensis. (author)

  5. Author Details

    African Journals Online (AJOL)

    Shaarawi, Fatma. Vol 2 (2000) - Articles Chromosomal analysis of some Egyptian diving beetles (Coleoptera: Dytiscidae) Abstract PDF. ISSN: 1110-6859. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of ...

  6. Author Details

    African Journals Online (AJOL)

    Angus, Robert. Vol 2, No 1 (2000) - Articles Diving beetles (Coleoptera: Dytiscidae and Noteridae) of Egypt Abstract. ISSN: 1110-6867. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL ...

  7. Pyemotes tritici (Acari: Pyemotidae): a parasitoid of Agrilus auroguttatus and Agrilus coxalis (Coleoptera: Buprestidae) in the southwestern United States of America and southern Mexico

    Science.gov (United States)

    Tom W. Coleman; Michael I. Jones; Mark S. Hoddle; Laurel J. Haavik; John C. Moser; Mary L. Flint; Steven J. Seybold

    2015-01-01

    The straw itch mite, Pyemotes tritici Lagrèze-Fossat andMontané (Acari: Pyemotidae), was discovered parasitising the goldspotted oak borer, Agrilus auroguttatus Schaeffer (Coleoptera: Buprestidae), an invasive exotic species to California, United States of America, and the Mexican goldspotted oak borer, Agrilus coxalis Waterhouse (Coleoptera:...

  8. Emergence of Buprestidae, Cerambycidae, and Scolytinae (Coleoptera) from mountain pine beetle-killed and fire-killed ponderosa pines in the Black Hills, South Dakota, USA

    Science.gov (United States)

    Sheryl L. Costello; William R. Jacobi; Jose F. Negron

    2013-01-01

    Wood borers (Coleoptera: Cerambycidae and Buprestidae) and bark beetles (Coleoptera: Curculionidae) infest ponderosa pines, Pinus ponderosa P. Lawson and C. Lawson, killed by mountain pine beetle (MPB), Dendroctonus ponderosae Hopkins, and fire. No data is available comparing wood borer and bark beetle densities or species guilds associated with MPB-killed or fire-...

  9. The comprehensive phylogeny of the superfamily Elateroidea (Coleoptera: Elateriformia).

    Science.gov (United States)

    Kundrata, Robin; Bocakova, Milada; Bocak, Ladislav

    2014-07-01

    Elateriformia consists of Dascilloidea, Buprestoidea (jewel beetles), Byrrhoidea and Elateroidea (click beetles, fireflies and relatives). Numerous elateroid lineages contain taxa with modified metamorphosis resulting in sexual maturity while retaining larval characters. Additionally, they evolved unique defensive strategies including clicking mechanism, aposematic coloration and bioluminescence. To investigate the phylogenetic position of Elateroidea within Coleoptera, we merged 1048 newly produced 18S rRNA, 28S rRNA, rrnL mtDNA, and cox1 mtDNA sequences for ∼300 elateriform taxa with data from GenBank. The 975-taxa dataset aligned in BlastAlign was analyzed under maximum likelihood criterion. The results agreed in most aspects with the current morphology-based classification and results of molecular studies. Elateriformia were monophyletic and Elateroidea were sister to Byrrhoidea. Further, we analyzed all-data (513 elateriform taxa) and pruned matrix (417 elateriform taxa, all fragments present) using parsimony and maximum likelihood methods to reveal the phylogenetic relationships among elateroid lineages and examine the evolution of soft-bodiedness, neoteny and bioluminescence. We confirmed the monophyly of Elateroidea sensu lato and most of the families, with Telegeusidae inferred in most trees within paraphyletic Omethidae. The clade Artematopodidae+Telegeusidae+Omethidae was a sister to remaining elateroids. All topologies reject the relationships of hard-bodied Elateridae, Eucnemidae, Throscidae and Cerophytidae, formerly supposed to be a monophylum. Eucnemidae and Throscidae formed independent lineages and the position of Cerophytidae was variable - either a sister to Throscidae, or an independent lineage. The Lampyridae+Cantharidae clade was in most trees sister to Phengodidae+Rhagophthalmidae+Omalisidae+Elateridae. Molecular phylogeny of Elateroidea confirmed the multiple origins of soft-bodied, neotenic and light emiting lineages. On the basis of our

  10. A molecular phylogeny of Alpine subterranean Trechini (Coleoptera: Carabidae).

    Science.gov (United States)

    Faille, Arnaud; Casale, Achille; Balke, Michael; Ribera, Ignacio

    2013-11-13

    The Alpine region harbours one of the most diverse subterranean faunas in the world, with many species showing extreme morphological modifications. The ground beetles of tribe Trechini (Coleoptera, Carabidae) are among the best studied and widespread groups with abundance of troglobionts, but their origin and evolution is largely unknown. We sequenced 3.4 Kb of mitochondrial (cox1, rrnL, trnL, nad1) and nuclear (SSU, LSU) genes of 207 specimens of 173 mostly Alpine species, including examples of all subterranean genera but two plus a representation of epigean taxa. We applied Bayesian methods and maximum likelihood to reconstruct the topology and to estimate divergence times using a priori rates obtained for a related ground beetle genus. We found three main clades of late Eocene-early Oligocene origin: (1) the genus Doderotrechus and relatives; (2) the genus Trechus sensu lato, with most anisotopic subterranean genera, including the Pyrenean lineage and taxa from the Dinaric Alps; and (3) the genus Duvalius sensu lato, diversifying during the late Miocene and including all subterranean isotopic taxa. Most of the subterranean genera had an independent origin and were related to epigean taxa of the same geographical area, but there were three large monophyletic clades of exclusively subterranean species: the Pyrenean lineage, a lineage including subterranean taxa from the eastern Alps and the Dinarides, and the genus Anophthalmus from the northeastern Alps. Many lineages have developed similar phenotypes independently, showing extensive morphological convergence or parallelism. The Alpine Trechini do not form a homogeneous fauna, in contrast with the Pyrenees, and show a complex scenario of multiple colonisations of the subterranean environment at different geological periods and through different processes. Examples go from populations of an epigean widespread species going underground with little morphological modifications to ancient, geographically widespread

  11. A family of chemoreceptors in Tribolium castaneum (Tenebrionidae: Coleoptera.

    Directory of Open Access Journals (Sweden)

    Mohatmed Abdel-Latief

    Full Text Available Chemoperception in invertebrates is mediated by a family of G-protein-coupled receptors (GPCR. To date nothing is known about the molecular mechanisms of chemoperception in coleopteran species. Recently the genome of Tribolium castaneum was sequenced for use as a model species for the Coleoptera. Using blast searches analyses of the T. castaneum genome with previously predicted amino acid sequences of insect chemoreceptor genes, a putative chemoreceptor family consisting of 62 gustatory receptors (Grs and 26 olfactory receptors (Ors was identified. The receptors have seven transmembrane domains (7TMs and all belong to the GPCR receptor family. The expression of the T. castaneum chemoreceptor genes was investigated using quantification real- time RT-PCR and in situ whole mount RT-PCR analysis in the antennae, mouth parts, and prolegs of the adults and larvae. All of the predicted TcasGrs were expressed in the labium, maxillae, and prolegs of the adults but TcasGr13, 19, 28, 47, 62, 98, and 61 were not expressed in the prolegs. The TcasOrs were localized only in the antennae and not in any of the beetles gustatory organs with one exception; the TcasOr16 (like DmelOr83b, which was localized in the antennae, labium, and prolegs of the beetles. A group of six TcasGrs that presents a lineage with the sugar receptors subfamily in Drosophila melanogaster were localized in the lacinia of the Tribolium larvae. TcasGr1, 3, and 39, presented an ortholog to CO(2 receptors in D. melanogaster and Anopheles gambiae was recorded. Low expression of almost all of the predicted chemoreceptor genes was observed in the head tissues that contain the brains and suboesophageal ganglion (SOG. These findings demonstrate the identification of a chemoreceptor family in Tribolium, which is evolutionarily related to other insect species.

  12. Using malaise traps to sample ground beetles (Coleoptera. Carabidae)

    Energy Technology Data Exchange (ETDEWEB)

    Ulyshen, Michael D. [USDA Forest Service, Savannah River, New Ellenton, SC (United States); Hanula, James L. [USDA Forest Service, Savannah River, New Ellenton, SC (United States); Horn, Scott [USDA Forest Service, Savannah River, New Ellenton, SC (United States)

    2012-04-02

    Pitfall traps provide an easy and inexpensive way to sample ground-dwelling arthropods (Spence and Niemela 1994; Spence et al. 1997; Abildsnes and Tommeras 2000) and have been used exclusively in many studies of the abundance and diversity of ground beetles (Coleoptera: Carabidae). Despite the popularity of this trapping technique, pitfall traps have many disadvantages. For example, they often fail to collect both small (Spence and Niemela 1994) and trap-shy species (Benest 1989), eventually deplete the local carabid population (Digweed et al. 1995), require a species to be ground-dwelling in order to be captured (Liebherr and Mahar 1979), and produce different results depending on trap diameter and material, type of preservative used, and trap placement (Greenslade 1964; Luff 1975; Work et al. 2002). Further complications arise from seasonal patterns of movement among the beetles themselves (Maelfait and Desender 1990), as well as numerous climatic factors, differences in plant cover, and variable surface conditions (Adis 1979). Because of these limitations, pitfall trap data give an incomplete picture of the carabid community and should be interpreted carefully. Additional methods, such as use of Berlese funnels and litter washing (Spence and Niemela 1994), collection from lights (Usis and MacLean 1998), and deployment of flight intercept devices (Liebherr and Mahar 1979; Paarmann and Stork 1987), should be incorporated in surveys to better ascertain the species composition and relative numbers of ground beetles. Flight intercept devices, like pitfall traps, have the advantage of being easy to use and replicate, but their value to carabid surveys is largely unknown. Here we demonstrate the effectiveness of Malaise traps for sampling ground beetles in a bottomland hardwood forest.

  13. Biological aspects of Leucothyreus ambrosius Blanchard (Coleoptera, Melolonthidae, Rutelinae

    Directory of Open Access Journals (Sweden)

    Elias Soares Gomes

    2014-06-01

    Full Text Available Biological aspects of Leucothyreus ambrosius Blanchard (Coleoptera, Melolonthidae, Rutelinae. Coleopterans of the family Melolonthidae comprise a large group of species that feed on different food sources, including plant roots, stems, and leaves, in addition to plant materials at different decomposition stages. Several species are found in the genus Leucothyreus, occurring in different regions of Brazil, including the various biomes in the country. Information on the biology of species of the genus Leucothyreus is scarce, therefore, we conducted studies on the biological aspects of Leucothyreus ambrosius Blanchard, 1850. The period of adult occurrence was determined with a light trap installed between a cropped and pasture area in the municipality of Aquidauana, Mato Grosso do Sul State, Brazil. Adults collected in the field were used to form insect pairs and the studies were initiated in the entomology laboratory as the adults began ovipositing. Adults were observed flying in the field from October to December. Eggs were obtained as pairs were formed and a colony was established, the embryonic period lasting 14.6 days on average. The larval period in the 1st instar lasted 21.6 days, in the 2nd instar 19.6 days, and in the 3rd instar, 85.6 days. The head capsule width was 1.48 mm in the 1st instar, 2.44 mm in the 2nd, and 3.83 mm in 3rd larval instar. The pupal stage had an average duration of 35.5 days. The egg to adult period lasted 173.3 days. Morphometric information for the larval and adult stages is presented in this study.

  14. Using malaise traps to sample ground beetles (Coleoptera: Carabidae).

    Energy Technology Data Exchange (ETDEWEB)

    Ulyshen, Michael D., James L. Hanula, and Scott Horn

    2005-01-01

    Pitfall traps provide an easy and inexpensive way to sample ground-dwelling arthropods (Spence and Niemela 1994; Spence et al. 1997; Abildsnes and Tommeras 2000) and have been used exclusively in many studies of the abundance and diversity of ground beetles (Coleoptera: Carabidae). Despite the popularity of this trapping technique, pitfall traps have many disadvantages. For example, they often fail to collect both small (Spence and Niemela 1994) and trap-shy species (Benest 1989), eventually deplete the local carabid population (Digweed et al. 1995), require a species to be ground-dwelling in order to be captured (Liebherr and Mahar 1979), and produce different results depending on trap diameter and material, type of preservative used, and trap placement (Greenslade 1964; Luff 1975; Work et al. 2002). Further complications arise from seasonal patterns of movement among the beetles themselves (Maelfait and Desender 1990), as well as numerous climatic factors, differences in plant cover, and variable surface conditions (Adis 1979). Because of these limitations, pitfall trap data give an incomplete picture of the carabid community and should be interpreted carefully. Additional methods, such as use of Berlese funnels and litter washing (Spence and Niemela 1994), collection from lights (Usis and MacLean 1998), and deployment of flight intercept devices (Liebherr and Mahar 1979; Paarmann and Stork 1987), should be incorporated in surveys to better ascertain the species composition and relative numbers of ground beetles. Flight intercept devices, like pitfall traps, have the advantage of being easy to use and replicate, but their value to carabid surveys is largely unknown. Here we demonstrate the effectiveness of Malaise traps for sampling ground beetles in a bottomland hardwood forest.

  15. A family of chemoreceptors in Tribolium castaneum (Tenebrionidae: Coleoptera).

    Science.gov (United States)

    Abdel-Latief, Mohatmed

    2007-12-19

    Chemoperception in invertebrates is mediated by a family of G-protein-coupled receptors (GPCR). To date nothing is known about the molecular mechanisms of chemoperception in coleopteran species. Recently the genome of Tribolium castaneum was sequenced for use as a model species for the Coleoptera. Using blast searches analyses of the T. castaneum genome with previously predicted amino acid sequences of insect chemoreceptor genes, a putative chemoreceptor family consisting of 62 gustatory receptors (Grs) and 26 olfactory receptors (Ors) was identified. The receptors have seven transmembrane domains (7TMs) and all belong to the GPCR receptor family. The expression of the T. castaneum chemoreceptor genes was investigated using quantification real- time RT-PCR and in situ whole mount RT-PCR analysis in the antennae, mouth parts, and prolegs of the adults and larvae. All of the predicted TcasGrs were expressed in the labium, maxillae, and prolegs of the adults but TcasGr13, 19, 28, 47, 62, 98, and 61 were not expressed in the prolegs. The TcasOrs were localized only in the antennae and not in any of the beetles gustatory organs with one exception; the TcasOr16 (like DmelOr83b), which was localized in the antennae, labium, and prolegs of the beetles. A group of six TcasGrs that presents a lineage with the sugar receptors subfamily in Drosophila melanogaster were localized in the lacinia of the Tribolium larvae. TcasGr1, 3, and 39, presented an ortholog to CO(2) receptors in D. melanogaster and Anopheles gambiae was recorded. Low expression of almost all of the predicted chemoreceptor genes was observed in the head tissues that contain the brains and suboesophageal ganglion (SOG). These findings demonstrate the identification of a chemoreceptor family in Tribolium, which is evolutionarily related to other insect species.

  16. A new Icimauna Martins & Galileo, 1991, from the Bolivian orocline (Coleoptera, Cerambycidae, Lamiinae, Hemilophini).

    Science.gov (United States)

    Santos-Silva, Antonio; Perger, Robert

    2017-04-07

    The Neotropical longhorned beetle tribe Hemilophini has been reviewed by Martins & Galileo (2014a, b) and currently contains 542 species (Monné 2017). Some of the most conspicuous longhorned beetle taxa are found in this tribe, for example species with a pair of cephalic horns (Phoebe Audinet-Serville, 1835), or others that strongly resemble to noxious Lycidae (Coleoptera) (e.g. Apeba Martins & Galileo, 1991, Calocosmus Chevrolat, 1862, or Lycidola Thomson, 1864) (see Lingafelter 2013; Martins & Galileo 2014a, b).

  17. Novas espécies de Onciderini (Coleoptera, Cerambycidae, Lamiinae da Bolívia

    Directory of Open Access Journals (Sweden)

    Ubirajara R. Martins

    2008-01-01

    Full Text Available Novas espécies descritas da Bolívia, Santa Cruz: Trachysomus apipunga sp. nov., Hesychotypa aotinga sp. nov., Cacostola apyraiuba sp. nov. and Glypthaga nearnsi sp. nov.New species of Onciderini (Coleoptera, Cerambycidae, Lamiinae from Bolivia. New species described from Santa Cruz: Trachysomus apipunga sp. nov., Hesychotypa aotinga sp. nov., Cacostola apyraiuba sp. nov. and Glypthaga nearnsi sp. nov.

  18. Wireworms’ Management: An Overview of the Existing Methods, with Particular Regards to Agriotes spp. (Coleoptera: Elateridae)

    Science.gov (United States)

    Barsics, Fanny; Haubruge, Eric; Verheggen, François J.

    2013-01-01

    Wireworms (Coleoptera: Elateridae) are important soil dwelling pests worldwide causing yield losses in many crops. The progressive restrictions in the matter of efficient synthetic chemicals for health and environmental care brought out the need for alternative management techniques. This paper summarizes the main potential tools that have been studied up to now and that could be applied together in integrated pest management systems and suggests guidelines for future research. PMID:26466799

  19. Impact of Anthropogenic Forest Disturbance on Dung Beetle (Coleoptera, Scarabaeidae) Communities in Amani Nature Reserve

    OpenAIRE

    Sæbjørnsen, Maria

    2016-01-01

    Dung beetles (Coleoptera, Scarabaeidae) are important seed dispersers and are good indicators on environmental change and biodiversity in tropical forests. The diversity of dung beetles often decreases with forest disturbance and with reduction in canopy cover, as well as reduction of mammals. The aims of this study were to explore the dung beetle abundance, richness, diversity and evenness across three forest types: virgin forest, secondary forest and agroforest. The study area was located i...

  20. Species of beetles (Coleoptera; Scarabaeidae associated to banana (Musa spp. in Ceballos, Ciego de Avila, Cuba

    Directory of Open Access Journals (Sweden)

    Maria Luisa Sisne Luis

    2016-03-01

    Full Text Available A white light trap was placed in bananas plantations, according to Sisne, 2009 and MINAG, 1985, in the Citric enterprise of Ciego de Ávila during the period between May and July of 2010 with the objective of determining the composition of genus and species of the order Coleoptera family Scarabaeidae associated to the agroecosystem. The species Cyclocephala cubana Chapin, Phyllophaga puberula Duval, and Phyllophaga patruelis Chev. are associated to bananas crops in these areas.

  1. Wireworms’ Management: An Overview of the Existing Methods, with Particular Regards to Agriotes spp. (Coleoptera: Elateridae

    Directory of Open Access Journals (Sweden)

    Fanny Barsics

    2013-01-01

    Full Text Available Wireworms (Coleoptera: Elateridae are important soil dwelling pests worldwide causing yield losses in many crops. The progressive restrictions in the matter of efficient synthetic chemicals for health and environmental care brought out the need for alternative management techniques. This paper summarizes the main potential tools that have been studied up to now and that could be applied together in integrated pest management systems and suggests guidelines for future research.

  2. World checklist of flea-beetles of the genus Epitrix (Coleoptera: Chrysomelidae: Galerucinae: Alticini).

    Science.gov (United States)

    Bieńkowski, Andrzej O; Orlova-Bienkowskaja, Marina J

    2017-05-18

    The world checklist of the genus Epitrix (Coleoptera: Chrysomelidae: Galerucinae: Alticini) is necessary, since many species of this genus are serious pests of potato and other Solanaceae, and since some species have been inadvertedly introduced from one continent to another and established. We have compiled the catalogue of all species described to date. There are 162 species and 11 subspecies in the world. The geographic distribution is indicated for each species.

  3. Tiger Beetles' (Coleoptera: Carabidae, Cicindelinae) pupal stage: current state of knowledge and future perspectives.

    Science.gov (United States)

    Roza, André S; Mermudes, José R M

    2017-01-26

    The tiger beetles (Carabidae: Cicindelinae) include about 2,822 species and 120 genera around the world. They are one of the most widely studied families of Coleoptera. However, the knowledge about their immature stages is incipient and usually restricted to the larval stages. Pupal characteristics have been among the most ignored aspects of tiger beetle biology. Here we compile and update the current knowledge of tiger beetle pupae.

  4. An annotated synopsis of the powder post beetles of Iran (Coleoptera: Bostrichoidea: Bostrichidae

    Directory of Open Access Journals (Sweden)

    Lan-Yu Liu

    2016-07-01

    Full Text Available An annotated synopsis of Iranian Bostrichidae (Coleoptera: Bostrichoidea is provided as a basis for future studies, with notes on distribution, host plants, biology and economic importance. In total, 31 species from 18 genera and 4 subfamilies (Bostrichinae, Dinoderinae, Lyctinae and Psoinae are listed from Iran. Sinoxylon anale Lesne, 1897, Sinoxylon perforans (Schrank, 1789, Stephanopachys linearis (Kugelann, 1792 and Xylopertha retusa (Olivier, 1790 are new records for Iran.

  5. ESPECIES DE DRYOPHTHORINAE (COLEOPTERA: CURCULIONIDAE ASOCIADAS A PLÁTANO Y BANANO (Musa spp. EN COLOMBIA

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    PAULA A. SEPÚLVEDA-CANO

    2009-01-01

    Full Text Available Se presenta una sinopsis de los escarabajos de la subfamilia Dryophthorinae (Coleoptera: Curculionidae asociados a cultivos de plátano y banano en Colombia. Adicionalmente se ofrecen claves ilustradas para las especies del país. Se registran seis especies asociadas a dichos cultivos: Cosmopolites sordidus (Germar, 1824, Metamasius hemipterus (Linnaeus, 1758, Metamasius hebetatus (Gyllenhal, 1838, Metamasius submaculatus Champion, 1910, Rhyncophorus palmarum (Linnaeus, 1758 y Polytus mellerborgii (Boheman, 1838.

  6. Development of Steinernema feltiae (Rhabditida: Steinernematidae in larvae of Chaetonyx robustus (Coleoptera: Orphnidae

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    Denis Gradinarov

    2012-12-01

    Full Text Available Steinernema feltiae (Filipjev, 1934 infects and reproduces in larvae of Chaetonyx robustus Schaum, 1862 (Coleoptera: Orphnidae, isolated from soil of the same habitat. Insects of the family Orphnidae are reported for the first time as hosts of entomopathogenic nematodes. Lack of establishment of natural infected larvae may be due to the lower susceptibility of C. robustus to nematode invasion and random factors related to the spatial distribution of infective juveniles in soil.

  7. Susceptibility variation to different entomopathogenic nematodes in Strategus aloeus L (Coleoptera: Scarabaeidae)

    OpenAIRE

    G?mez, A; S?enz-Aponte, A.

    2015-01-01

    Strategus aloeus L (Coleoptera: Scarabaeidae), known as ?Little bull? or oil palm ?chiza? is a limiting pest in palm plantation in Cesar Colombia. Its management is based on pesticide use or old palm removal in renewal lots. Therefore, other alternatives are being sought out. Entomopathogenic nematodes isolated from the Colombian Andean region were evaluated. Under laboratory conditions S. aloeus third instar larvae exposure to 160 infective juveniles (IJs) per/cm2 Steinernema sp3 JCL027, S. ...

  8. Characterization of white grub (Melolonthidae; Coleoptera in salak plantation based on morphology and protein banding pattern

    Directory of Open Access Journals (Sweden)

    SUGIYARTO

    2009-07-01

    Full Text Available Maryati KT, Sugiyarto. 2010. Characterization of white grub (Melolonthidae; Coleoptera in salak plantation based on morphology and protein banding pattern. Nusantara Bioscience 1: 72-77. This research aims to find out the white grub (Melolonthidae; Coleoptera variability based on the morphological characteristic and protein banding pattern found in ”salak pondoh” farm in Regencies of Sleman, Yogyakarta and Magelang, Central Java. Each area has five sampling points. Morphological analysis on white grub was conducted using descriptive method and analysis on protein banding pattern was conducted using qualitative analysis based on the presence or absent of band pattern on the gel, and qualitatively based on the relative mobility value (Rf of protein. The result indicated that the white grub in Sleman and Magelang, based on morphology characteristic is only one species, namely Holothricia sp. Based on the protein banding pattern, the white grub sample have differences of protein band number and protein molecular weight. Key words: Salacca zalacca, white grub, morphology, protein banding pattern.Abstrak. Maryati KT, Sugiyarto. 2010. Karakterisasi lundi putih (Melolonthidae: Coleoptera pada pertanaman salak berdasarkan ciri morfologi dan pola pita protein. Nusantara Bioscience 1: 72-77. Penelitian ini bertujuan untuk mengetahui keanekaragaman lundi putih (Melolonthidae; Coleoptera berdasarkan ciri morfologi dan pola pita protein yang ditemukan di lahan pertanaman salak pondoh di Kabupaten Sleman, Yogyakarta dan Kabupaten Magelang, Jawa Tengah. Pada masing-masing wilayah diambil lima titik sampling. Analisis morfologi lundi putih digunakan metode deskriptif, dan analisis pola pita protein digunakan analisis kualitatif berdasarkan muncul tidaknya pola pita pada gel, dan secara kuantitatif berdasarkan nilai mobilitas relatif protein (RF. Hasil penelitian menunjukkan bahwa sampel lundi putih di Kabupaten Sleman dan Magelang, berdasar karakter

  9. Advances in the use of Trapping Systems for Rhynchophorus ferrugineus (Coleoptera: Curculionidae): Traps and Attractants

    OpenAIRE

    Vacas González, Sandra; Primo Millo, Jaime; Navarro-Llopis, Vicente

    2013-01-01

    Given the social importance related to the red palm weevil, Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae), efforts are being made to develop new control methods, such as the deployment of trapping systems. In this work, the efficacy of a new black pyramidal trap design (Picusan) has been verified in comparison with white and black buckets. In addition, the attractant and synergistic effect of ethyl acetate (EtAc) at different release levels has been evaluated under field condi...

  10. Incorporating a Sorghum Habitat for Enhancing Lady Beetles (Coleoptera: Coccinellidae) in Cotton

    OpenAIRE

    Tillman, P. G.; Cottrell, T. E.

    2012-01-01

    Lady beetles (Coleoptera: Coccinellidae) prey on insect pests in cotton. The objective of this 2 yr on-farm study was to document the impact of a grain sorghum trap crop on the density of Coccinellidae on nearby cotton. Scymnus spp., Coccinella septempunctata (L.), Hippodamia convergens Guérin-Méneville, Harmonia axyridis (Pallas), Coleomegilla maculata (De Geer), Cycloneda munda (Say), and Olla v-nigrum (Mulsant) were found in sorghum over both years. Lady beetle compositions in sorghum and ...

  11. Pathogenicity of Isolates of Serratia Marcescens towards Larvae of the Scarab Phyllophaga Blanchardi (Coleoptera)

    OpenAIRE

    Mónica L. Pineda-Castellanos; Zitlhally Rodríguez-Segura; Villalobos, Francisco J.; Luciano Hernández; Laura Lina; M. Eugenia Nuñez-Valdez

    2015-01-01

    Serratia marcescens is a Gram negative bacterium (Enterobacteriaceae) often associated with infection of insects. In order to find pathogenic bacteria with the potential to control scarab larvae, several bacterial strains were isolated from the hemocoel of diseased Phyllophaga spp (Coleoptera:Scarabaeidae) larvae collected from cornfields in Mexico. Five isolates were identified as Serratia marcescens by 16S rRNA gene sequencing and biochemical tests. Oral and injection bioassays using health...

  12. Records of the genus Micrambe Thomson, 1863 (Coleoptera, Cryptophagidae) from Madagascar and Réunion Island

    OpenAIRE

    Otero,Carlos; Pereira,José Manuel

    2017-01-01

    A study on the genus Micrambe Thomson, 1863 (Coleoptera, Cryptophagidae) from Madagascar and Réunion is presented. Six species are hitherto known from these countries: M. apicalis Grouvelle, M. brevitarsis Bruce, M. consors Grouvelle, M. madagascariensis Grouvelle, M. modesta (Grouvelle), and M. reuninensis Lyubarsky. A new species, M. leonardoi sp. n., is formally described from Boorg-Murat, Réunion Island. A key is presented to enable their identification. Micrambe consors Grouvelle previou...

  13. New distribution record of Cybocephalus kathrynae (Coleoptera, Cybocephalidae on Mona Island, Puerto Rico

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    Jean Carlos Curbelo-Rodríguez

    2012-03-01

    Full Text Available New distribution record of Cybocephalus Kathrynae (Coleoptera, Cybocephalidae on Mona Island, Puerto Rico. A new record of Cybocephalus kathrynae T.R. Smith (Cybocephalidae is reported for Puerto Rico. Adults were collected from the flowers of Mammillaria nivosa (Cactaceae on Mona Island Reserve. Prior to this study, this beetle species was only reported for Monroe and Miami-Dade Counties, Florida, USA.

  14. New species and records of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae: Macrodactylini) from Bolivia.

    Science.gov (United States)

    Arce-Pérez, Roberto; Morón, Miguel Ángel

    2014-08-28

    Two new species of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae) from Bolivia are described and illustrated: M. megaphyllus new species (from Comarapa, Santa Cruz and Sehuenca, Cochabamba) and M. yunganus new species (from Mairana and Comarapa, Santa Cruz). In addition, the species Macrodactylus bolivianus Moser, M. gracilis Moser, and M. nobilis Frey are redescribed and illustrated to help facilitate identification of these species. A key to the 10 species of Macrodactylus presently known from Bolivia is provided. 

  15. Molecular Markers Detect Cryptic Predation on Coffee Berry Borer (Coleoptera: Curculionidae) by Silvanid and Laemophloeid Flat Bark Beetles (Coleoptera: Silvanidae, Laemophloeidae) in Coffee Beans.

    Science.gov (United States)

    Sim, Sheina B; Yoneishi, Nicole M; Brill, Eva; Geib, Scott M; Follett, Peter A

    2016-02-01

    The coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae), is a serious pest of coffee worldwide. It was first detected in Hawai'i in 2010. Two predatory beetles, Cathartus quadricollis (Coleoptera: Silvanidae) and Leptophloeus sp. (Coleoptera: Laemophloeidae), have been observed in H. hampei-infested coffee. Under laboratory conditions, colony-reared C. quadricollis and Leptophloeus sp. prey upon all life stages of H. hampei. However, the H. hampei life cycle occurs almost exclusively within a coffee bean obscured from direct observation. Thus, it is unknown if C. quadricollis and Leptophloeus sp. consume H. hampei as prey in the wild. To demonstrate predation of H. hampei by C. quadricollis and Leptophloeus sp., a molecular assay was developed utilizing species-specific primers targeting short regions of the mitochondrial COI gene to determine species presence. Using these primers, wild C. quadricollis and Leptophloeus sp. were collected and screened for the presence of H. hampei DNA using PCR. Analysis of collections from five coffee farms revealed predation of C. quadricollis and Leptophloeus sp. on H. hampei. Further laboratory testing showed that H. hampei DNA could be detected in predators for as long as 48 h after feeding, indicating the farm-caught predators had preyed on H. hampei within 2 d of sampling. This study demonstrates the utility of molecular markers for the study of the ecology of predators and prey with cryptic behavior, and suggests C. quadricollis and Leptophloeus sp. might be useful biocontrol agents against H. hampei. Published by Oxford University Press on behalf of Entomological Society of America 2015. This work is written by US Government employees and is in the public domain in the US.

  16. Influence of temperature on spring flight initiation for southwestern ponderosa pine bark beetles (Coleoptera: Curculionidae, Scolytinae).

    Science.gov (United States)

    Gaylord, M L; Williams, K K; Hofstetter, R W; McMillin, J D; Degomez, T E; Wagner, M R

    2008-02-01

    Determination of temperature requirements for many economically important insects is a cornerstone of pest management. For bark beetles (Coleoptera: Curculionidae, Scolytinae), this information can facilitate timing of management strategies. Our goals were to determine temperature predictors for flight initiation of three species of Ips bark beetles, five species of Dendroctonus bark beetles, and two genera of bark beetle predators, Enoclerus spp. (Coleoptera: Cleridae) and Temnochila chlorodia (Mannerheim) (Coleoptera: Ostomidae), in ponderosa pine forests of northcentral Arizona. We quantified beetle flight activity using data loggers and pheromone-baited funnel traps at 18 sites over 4 yr. Ambient air temperature was monitored using temperature data loggers located in close proximity to funnel traps. We analyzed degree-day accumulation and differences between minimum, average, and maximum ambient temperature for the week before and week of first beetle capture to calculate flight temperature thresholds. Degree-day accumulation was not a good predictor for initiation of beetle flight. For all species analyzed other than D. adjunctus Blandford, beetles were captured in traps only when springtime temperatures exceeded 15.0 degrees C. D. adjunctus was collected when maximum temperatures reached only 14.5 degrees C. Once initial flights had begun, beetles were often captured when maximum ambient air temperatures were below initial threshold temperatures. Maximum and average air temperatures were a better predictor for beetle flight initiation than minimum temperature. We establish a temperature range for effective monitoring of bark beetles and their predators, and we discuss the implications of our results under climate change scenarios.

  17. Especies de Megacerus (Coleoptera: Bruchidae) y sus plantas hospederas en Yucatán Megacerus species (Coleoptera: Bruchidae) and their host plants in Yucatán

    OpenAIRE

    Enrique Reyes; Azucena Canto; Rosalina Rodríguez

    2009-01-01

    Se registra la incidencia de Megacerus (Coleoptera: Bruchidae) en semillas de 7 especies de Convolvulaceae de 6 sitios al norte de Yucatán. Las semillas de Ipomoea crinicalyx, I. hederifolia, I. nil, I. triloba, Jacquemontia penthanta, Merremia aegyptia y M. cissoides recolectadas en etapa de dispersión fueron colocadas en sobres limpios de papel y puestas en condiciones de laboratorio hasta la emergencia de los brúquidos. Se obtuvieron 1111 coleópteros pertenecientes a 5 especies: Megacerus ...

  18. Alien seed beetles (Coleoptera: Chrysomelidae: Bruchinae) in Europe.

    Science.gov (United States)

    Yus-Ramos, Rafael; Ventura, Daniel; Bensusan, Keith; Coello-García, Pedro; György, Zoltán; Stojanova, Anelia

    2014-07-01

    Under the framework of the DAISIE consortium, whose main mission is to make an inventory of the alien invasive species of Europe and its islands, we review the current state of knowledge and provide an up-to-date catalogue and distributional status for alien seed beetles (Coleoptera: Chrysomelidae: Bruchinae) in Europe. This work is based on studies of the species detected from the last century to the present, but with greater emphasis on the beginning of the 21st century, during which new biological studies have been carried out and findings made in European countries. The main objective of this paper is to focus on this last fact, which has promoted new views on the existing and potential threat of exotic bruchids in relation to climate change. This must now be regarded as a matter of concern for European agricultural and environmental policies. Only species of exotic origin introduced in European regions outside their native range were considered. Therefore, species of European origin spreading to new countries within Europe are not treated. Also, we provide a new approach to classifying alien seed beetle species according to their ability to become established, distinguishing between the well-established and those that may appear in seed stores but are not capable of invading natural and agricultural ecosystems. We present a taxonomic characterization of the alien bruchids found in Europe, providing an illustrated key based on external morphological characters of adults. The key facilitates the identification of the sixteen most frequently recorded genera, which represent 37 of the 42 species of exotic species recorded in Europe up to the present, whether established, not established or occasional. Finally, we provide a summary of the state of knowledge of the taxonomy and biology of the 20 most worrying species as pests, both established and non-established. This includes, where appropriate, an illustrated key for the identification of species. The study

  19. Key to larvae of the South American subfamilies of weevils (Coleoptera, Curculionoidea Clave para larvas de las subfamilias sudamericanas de gorgojos (Coleoptera, Curculionoidea

    Directory of Open Access Journals (Sweden)

    ADRIANA E. MARVALDI

    2003-12-01

    Full Text Available The weevils (Coleoptera: Curculionoidea from South America are classsified into seven families and 28 subfamilies as follows: Nemonychidae (Rhinorhynchinae, Anthribidae (Anthribinae, Belidae (Belinae and Oxycoryninae, Attelabidae (Attelabinae and Rhynchitinae, Brentidae (Apioninae and Brentinae, Caridae (Carinae and Curculionidae (Erirhininae, Dryophthorinae, Entiminae, Aterpinae, Gonipterinae, Rhythirrininae, Thecesterninae, Eugnominae, Hyperinae, Curculioninae, Cryptorhynchinae, Mesoptiliinae (= Magdalidinae, Molytinae, Baridinae, Lixinae, Conoderinae (= Zygopinae, Cossoninae, Scolytinae and Platypodinae. A dichotomous key for the larval stage is provided for identification of the families and subfamilies of Curculionoidea present in South America. The key is based on external morphological characters and contains data on larval feeding habitsLos gorgojos (Coleoptera: Curculionoidea de Sudamérica están clasificados en siete familias y 28 subfamilias como se muestra a continuación: Nemonychidae (Rhinorhynchinae, Anthribidae (Anthribinae, Belidae (Belinae y Oxycoryninae, Attelabidae (Attelabinae y Rhynchitinae, Brentidae (Apioninae y Brentinae, Caridae (Carinae y Curculionidae (Erirhininae, Dryophthorinae, Entiminae, Aterpinae, Gonipterinae, Rhythirrininae, Thecesterninae, Eugnominae, Hyperinae, Curculioninae, Cryptorhynchinae, Mesoptiliinae (= Magdalidinae, Molytinae, Baridinae, Lixinae, Conoderinae (= Zygopinae, Cossoninae, Scolytinae y Platypodinae. Se brinda una clave dicotómica para el estado de larva de Curculionoidea en Sudamérica, para su determinación a nivel de familias y subfamilias. La clave está basada sobre caracteres morfológicos externos y se presentan además datos de hábitos alimentarios

  20. Comparative Growth and Survival of Hylurgus ligniperda (Coleoptera: Scolytinae) and Arhopalus ferus (Coleoptera: Cerambycidae) Reared on Artificial or Natural Diet at 15 or 25°C.

    Science.gov (United States)

    Romo, C M; Bader, M K-F; Pawson, S M

    2016-02-01

    Two saproxylic forest insects, Hylurgus ligniperda (F.) (Coleoptera: Scolytinae) and Arhopalus ferus (Mulsant)(Coleoptera: Cerambycidae), were reared on artificial or natural diet at 15 or 25°C to compare larval growth rates and survival. A significant diet by temperature interaction was observed in the growth of H. ligniperda larvae,which developed faster when reared on natural diet at 15°C, but grew faster and pupated significantly earlier when reared on artificial diet at 25°C. However, H. ligniperda survival by the end of the experiment was low on both diets when reared at 25°C (10.1%, 95% CI: 5.2–15.1%), which suggests that rearing at lower temperatures may be required. A. ferus larvae gained significantly larger body size when reared on artificial diet than on natural diet at both temperatures. Survival of A. ferus reared on artificial diet was significantly lower than larvae reared on natural diet at 25°C. The significant differences between A. ferus larval development rates when reared on artificial and natural diets preclude the use of artificial diet to collect meaningful data to construct temperature development models for ecological comparisons. Artificial diet provided a suitable medium for mass production of individuals for research purposes, e.g., test mortality in response to treatments. However, additional rearing studies are needed to determine whether the larger artificially reared larvae result in adults that are healthier, more productive, and live longer.

  1. Ocorrência de Migdolus fryanus (Coleoptera: Cerambycidae em plantios de Pinus caribaea var. hondurensis Occurrence of Migdolus fryanus (Coleoptera: Cerambycidae in Pinus caribaea hondurensis plantations

    Directory of Open Access Journals (Sweden)

    Carlos Frederico Wilcken

    2005-02-01

    Full Text Available Larvas de Migdolus fryanus Westwood (Coleoptera: Cerambycidae foram encontradas danificando raízes de mudas de P. caribaea var. hondurensis (Sénéel Barr. & Golf. no Estado de São Paulo. Isso aumenta a importância dessa espécie, cujos danos, em espécies florestais, têm aumentado, principalmente, em plantios de eucalipto. Esse é o primeiro registro de M. fryanus em plantios de Pinus, e o referido inseto pode ser considerado uma nova praga dessa espécie florestal. Detalhes das características morfológicas e biológicas, danos e possíveis métodos de controle de M. fryanus são discutidos.Larvae of Migdolus fryanus Westwood (Coleoptera: Cerambycidae were found damaging roots of young plants of P. caribaea hondurensis (Sénéel Barr. & Golf. in the State of São Paulo, Brazil. This fact increases the importance of this species because the damages have been increasing in forest species specially in eucalyptus plantations. This is the first record of M. fryanus in pine plantations and this insect can be considered a pest of pine plants. Details on the morphology and biological characteristics, damage and possible control methods to M. fryanus are discussed.

  2. Description de deux Hydrocoptus (Dytiscidae) nouveaux

    NARCIS (Netherlands)

    Régimbart, M.

    1892-01-01

    Long. 2 1/3 mill. — Oblongo-ovalis, minime attenuatus, convexus, rufus; supra subtilissime reticulatus, subopacus; capite et pronoto rufo-ferrugineis, in medio vage adumbratis, hoc ad latera antice arcuato et postice cum elytris continuo; elytris nigro-fuscis, fortiter reticulatis, subopacis,

  3. The influence of vegetation and landscape structural connectivity on butterflies (Lepidoptera: Papilionoidea and Hesperiidae), Carabids (Coleoptera: Carabidae), Syrphids (Diptera: Syrphidae), and sawflies (Hymenoptera: Symphyta) in Northern Italy farmland

    NARCIS (Netherlands)

    Burgio, G.; Sommaggio, D.; Marini, M.; Chiarucci, A.; Landi, S.; Fabbri, R.; Pesarini, F.; Genghini, M.; Ferrari, R.; Muzzi, E.; Lenteren, van J.C.; Masetti, A.

    2015-01-01

    Landscape structure as well as local vegetation influence biodiversity in agroecosystems. A study was performed to evaluate the effect of floristic diversity, vegetation patterns, and landscape structural connectivity on butterflies (Lepidoptera: Papilionoidea and Hesperiidae), carabids (Coleoptera:

  4. Role of Ipsdienol, Ipsenol, and cis-Verbenol in chemical ecology of Ips avulsus, Ips calligraphus, and Ips grandicollis (Coleoptera: Curculionidae: Scolytinae)

    Science.gov (United States)

    Jeremy D. Allison; Jessica I. McKenney; Daniel R. Miller; Matthew L. Gimmel

    2012-01-01

    ABSTRACT Stressed or damaged pine (Pinus sp.) trees in the southeastern United States are often colonized simultaneously by three southern Ips species (Coleoptera: Curculionidae: Scolytinae): small southern pine engraver, Ips avulsus (Eichhoff); sixspined ips, Ips calligraphus (Germar); and...

  5. New myrmecomorphous longhorned beetles from Haiti and the Dominican Republic with a key to Anaglyptini and Tillomorphini of Hispaniola (Coleoptera: Cerambycidae: Cerambycinae)

    Science.gov (United States)

    First records of the tribes Anaglyptini and Tillomorphini (Coleoptera: Cerambycidae: Cerambycinae) are documented for Hispaniola. A new genus of highly myrmecomorphic longhorned beetle (Licracantha, new genus) is described and illustrated based on one species (Licracantha formicaria, new species) a...

  6. Checklist of Cerambycidae, Disteniidae and Vesperidae (Coleoptera) primary types of the Museu de Zoologia, Universidade de São Paulo, São Paulo, Brazil.

    Science.gov (United States)

    Monné, Miguel A; Santos-Silva, Antonio; Casari, Sônia A; Monné, Marcela L

    2017-03-31

    A checklist of the 1164 primary types of Cerambycidae, Disteniidae and Vesperidae (Coleoptera) deposited in the Museu de Zoologia, Universidade de São Paulo, São Paulo, Brazil is provided. Lectotype designations for 97 species are proposed.

  7. A review of North American Elonus species, with description of E. gruberi n. sp. (Coleoptera: Tenebrionoidea: Aderidae).

    Science.gov (United States)

    Gompel, Nicolas

    2017-10-26

    This work provides a taxonomic survey of the North American species of the genus Elonus Casey, 1895 (Coleoptera: Tenebrionoidea: Aderidae). It includes the description of a new species, Elonus gruberi n. sp. from the United States, related to E. hesperus Werner, 1990 and to E. basalis (LeConte, 1855). A review and key to the North American species is provided.

  8. Rearing Xyleborus volvulus (Coleoptera: Curculionidae) on Media Containing Sawdust from Avocado or Silkbay, with or without Raffaelea lauricola (Ophiostomatales: Ophiostomataceae)

    Science.gov (United States)

    Like other ambrosia beetles, Xyleborus volvulus Fabricius (Coleoptera: Curculionidae) lives in a mutualistic symbiotic relationship with fungi that serve as food source. Until recently, X. volvulus was not considered a pest, and none of its symbionts were considered plant pathogens. However, recent ...

  9. A NOVEL CADHERIN-LIKE GENE FROM WESTERN CORN ROOTWORM, DIABROTICA VIRGIFERA VIRGIFERA (COLEOPTERA: CHRYSOMELIDAE), LARVAL MIDGUT TISSUE

    Science.gov (United States)

    A cadherin-like gene and its mRNA were cloned from western corn rootworm (Diabrotica virgifera virgifera: Coleoptera), an economically important agricultural pest in North America and Europe. The full length cDNA (5371 bp in length) encodes an open reading frame for a 1688 amino ...

  10. Olfactometer responses of plum curculio Conotrachelus nenuphar (Herbst) (Coleoptera: Curculionidae) to host plant volatiles, synthetic grandisoic acid, and live conspecifics

    Science.gov (United States)

    The plum curculio Conotrachelus nenuphar (Herbst) (Coleoptera: Curculionidae) is a major pest of pome and stone fruit, but will also attack other fruits. Males produce the aggregation pheromone grandisoic acid; emitting only the (+)- enantiomer which is attractive to both sexes of the univoltine an...

  11. Acoustic assessment of Beauveria bassiana (Hypocreales: Clavicipitaceae) effects on Rhynchophorus ferrugineus (Coleoptera: Dryophthoridae) larval activity and mortality

    Science.gov (United States)

    Rhynchophorus ferrugineus (Olivier) (Coleoptera: Dryophthoridae), the red palm weevil, is an economically important palm tree pest in subtropical regions of the world. Previous studies have shown that R. ferrugineus can be infected and killed by the entomopathogenic fungus, Beauveria bassiana. Howev...

  12. Effects of chipping, grinding, and heat on survival of emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae), in chips

    Science.gov (United States)

    Deborah G. McCullough; Therese M. Poland; David Cappaert; Erin L. Clark; Ivich Fraser; Victor Mastro; Sarah Smith; Christopher Pell

    2007-01-01

    The emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), a phloem-feeding insect from Asia, was identi?ed in 2002 as the cause of widespread ash (Fraxinus sp.) mortality in southeastern Michigan and Essex County, Ontario. Most larvae overwinter as nonfeeding prepupae in the outer sapwood or thick bark of...

  13. Verification of a useful character for separating the sexes of the goldspotted oak borer, Agrilus coxalis auroguttatus (Coleoptera: Buprestidae)

    Science.gov (United States)

    T.W. Coleman; S.J. Seybold

    2010-01-01

    The goldspotted oak borer, Agrilus coxalis auroguttatus Schaeffer (Coleoptera: Buprestidae), is a new threat to several native oak species in California (CA) (Coleman & Seybold 2008a, b). The beetle larvae feed in and damage the outer xylem, cambium, and phloem of coast live oak, Quercus agrifolia Née (Fagaceae),...

  14. Influence of elevation on bark beetle (Coleoptera: Curculionidae, Scolytinae) community structure and flight periodicity in ponderosa pine forests of Arizona

    Science.gov (United States)

    Kelly K. Williams; Joel D. McMillin; Tom E. DeGomez; Karen M. Clancy; Andy Miller

    2008-01-01

    We examined abundance and flight periodicity of five Ips and six Dendroctonus species (Coleoptera: Curculionidae, Scolytinae) among three different elevation bands in ponderosa pine (Pinus ponderosa Douglas ex. Lawson) forests of northcentral Arizona. Bark beetle populations were monitored at 10 sites in each of three elevation...

  15. Mitochondrial DNA variation of North American populations of Aphthona species (Coleoptera: Chrysomelidae), flea beetles imported for biocontrol of leafy spurge

    Science.gov (United States)

    Several flea beetle species from the genus Aphthona (Coleoptera: Chrysomelidae) have been introduced into North America as biological control agents for the rangeland weed, leafy spurge (Euphorbia esula L.). Three brownish colored species and two black species were released at many locations beginn...

  16. First fossil Lamprosomatinae leaf beetles (Coleoptera: Chrysomelidae) with descriptions of new genera and species from Baltic amber.

    Science.gov (United States)

    Bukejs, Andris; Nadein, Konstantin

    2015-03-11

    In the current paper the first fossil representatives of leaf-beetles from the subfamily Lamprosomatinae (Coleoptera: Chrysomelidae) are described and illustrated from Upper Eocene Baltic amber: Succinoomorphus warchalowskii gen. et sp. nov., Archelamprosomius balticus gen. et sp. nov., and Archelamprosomius kirejtshuki sp. nov. A key to fossil Lamprosomatinae is provided.

  17. Optimizing use of girdled ash trees for management of low-density emerald ash borer (Coleoptera: Buprestidae) populations

    Science.gov (United States)

    Nathan W. Siegert; Deborah G. McCullough; Therese M. Poland; Robert L. Heyd

    2017-01-01

    Effective survey methods to detect and monitor recently established, low-density infestations of emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), remain a high priority because they provide land managers and property owners with time to implement tactics to slow emerald ash borer population growth and the progression of...

  18. Biology and life history of Argopistes tsekooni (Coleoptera: Chrysomelidae) in China, a promising biological control agent of Chinese privet.

    Science.gov (United States)

    Y-Z Zhang; J. Sun; J.L. Hanula

    2009-01-01

    The biology and life history of Argopistes tsekooni Chen (Coleoptera: Chrysomelidae), a potential biological control agent of Chinese privet, Ligustrum sinense Lour., was studied under laboratory and outdoor conditions in Huangshan City of Anhui Province, China, in 2006. A. tsekooni larvae are leafminers that...

  19. Effects of temperature and photoperiod on the aestivo-hibernal egg diapause of Scymnus camptodromus (Coleoptera: Coccinellidae)

    Science.gov (United States)

    Melody A. Keena; R. Talbot Trotter III; Carole Cheah; Michael E. Montgomery

    2012-01-01

    Three sequential studies were conducted on the interacting effects of exposure to low (5°C) temperature for 0, 7, 28, 56, or 84 d followed by incubation at 10, 15, or 20°C on the egg diapause of Scymnus (Neopullus) camptodromus Yu and Liu (Coleoptera: Coccinellidae). This beetle was imported from China as a potential biological...

  20. Description of immature stages of Scymnus (Neopullus) sinuanodulus Yu and Yao (Coleoptera: Coccinellidae) with notes on life history

    Science.gov (United States)

    Wenhua Lu; Phetsamon Souphanya; Michael E. Montgomery

    2002-01-01

    We describe for the first time immature stages of the Scymnus subgenus Neopullus; namely the egg, larval (4 instars), and pupal stages of Scymnus (Neopullus) sinuanodulus Yu and Yao (Coleoptera: Coccinellidae), which is indigenous to China. This lady beetle was imported to...

  1. Adult survival of Delphastus catalinae (Coleoptera: Coccinellidae), a predator of whiteflies (Hemiptera: Aleyrodidae), on diets of whiteflies, honeydew and honey

    Science.gov (United States)

    Delphastus catalinae (Horn) (Coleoptera: Coccinellidae) is a predator that is commercially sold for the management of whiteflies. A study was conducted to assay the effect of selected diets on the survival of adult D. catlinae. Treatments of water (as a control), 10% honey, honeydew, and whiteflie...

  2. Pseudaspidimerus palatus, a new species of the genus Pseudaspidimerus Kapur, 1948 from the Malay Peninsula (Coleoptera, Coccinellidae

    Directory of Open Access Journals (Sweden)

    Lizhi Huo

    2017-10-01

    Full Text Available A new species of the genus Pseudaspidimerus Kapur, 1948 (Coleoptera: Coccinellidae, Pseudaspidimerus palatus Huo & Wang, sp. n. from the Malay Peninsula is described with illustrations and a distribution map. The genus Pseudaspidimerus is recorded for the first time from Malaysia and Singapore.

  3. Het lieveheersbeestje Harmonia axyridis in Nederland: een aanwinst voor onze fauna of een ongewenste indringer (Coleoptera: Coccinellidae)?

    NARCIS (Netherlands)

    Cuppen, J.; Heijerman, Th.; Wielink, van P.; Loomans, A.

    2004-01-01

    Harmonia axyridis in the Netherlands: a gain for the fauna or an unwanted intruder (Coleoptera: Coccinellidae)? The coccinellid Harmonia axyridis (Pallas, 1773), a well-known aphid predator originating from Asia, was found for the first time in the Netherlands (Heilige Landstichting near Nijmegen)

  4. Attraction of Agrilus planipennis (Coleoptera: Buprestidae) and other buprestids to sticky traps of various colors and shapes

    Science.gov (United States)

    Toby R. Petrice; Robert A. Haack; Therese M. Poland

    2013-01-01

    The family Buprestidae (Coleoptera) contains numerous economically significant species, including the emerald ash borer (EAB), Agrilus planipennis Fairmaire, first discovered in North America in 2002. Effective traps for monitoring spread and population densities of EAB and other buprestids are needed. Studies were conducted in 2008 to test different...

  5. Effects of starvation and mating status on the activity of the flea beetle, Phyllotreta nemorum (Coleoptera: Chrysomelidae)

    NARCIS (Netherlands)

    Oku, K.; Vermeer, K.M.C.A.; Verbaarschot, P.; Jong, de P.W.

    2010-01-01

    Flea beetles are characterized by their tendency to jump. They can also fly. First, the effects of starvation on flight activity in the flea beetle, Phyllotreta nemorum L. (Coleoptera: Chrysomelidae) were determined. After starving P. nemorum for five days a greater number of individuals of both

  6. The historical role of Ips hauseri (Coleoptera: Curculionidae) in the spruce forest of Ile-Alatausky and Medeo National Parks

    Science.gov (United States)

    N. Mukhamadiev; A. Lynch; C. O' Connor; A. Sagitov; N. Ashikbaev; I. Panyushkina

    2014-01-01

    On 17 May and 27 June 2011 severe cyclonic storms damaged several hundred hectares of spruce forest (Picea schrenkiana) in the Tian Shan Mountains. Bark beetle populations increased rapidly in dead and damaged trees, particularly Ips hauseri, I. typographus, I. sexdentatus, and Piiyogenesperfossus (all Coleoptera: Curculionidae), and there is concern about the...

  7. Biology and host preferences of Cryptorhynchus melastomae (Coleoptera: Curculionidae), a possible biocontrol agent for Miconia calvescens (Melastomataceae) in Hawaii

    Science.gov (United States)

    E. Reichert; M.T. Johnson; E. Chacon; R.S. Anderson; T.A. Wheeler

    2010-01-01

    The introduced plant Miconia calvescens (Melastomataceae) poses a grave threat to Hawaii's native ecosystems and biodiversity. One potential candidate for classical biological control is Cryptorhynchus melastomae (Coleoptera: Curculionidae: Cryptorhynchinae), a stem-boring weevil from Central and South America. This weevil...

  8. A new species of the genus Promacrolaelaps (Acari: Laelapidae) associated with Propomacrus bimucronatus (Pallas) (Coleoptera: Scarabaeidae) in Iran.

    Science.gov (United States)

    Joharchi, Omid; Halliday, Bruce; Beyzavi, Gholamreza

    2013-01-01

    We describe a new species of mite from Iran - Pronacrolaelaps propomacrus sp. nov. (Acari: Laelapidae). The new species was collected in association with the beetle Propomacrus bimucronatus (Pallas) (Coleoptera: Scarabaeidae: Euchirinae) in holes in the trunk of oak trees. The genus Promacrolaelaps is redescribed and distinguished from the related genus Hypoaspis Canestrini sells. strict.

  9. Responses of Ips pini (Say), Pityogenes knechteli Swaine and Associated Beetles (Coleoptera) to Host Monoterpenes in Stands of Lodgepole Pine

    Science.gov (United States)

    Daniel R. Miller; John H. Borden

    2003-01-01

    We conducted seven experiments in stands of mature lodgepole pine in southern British Columbia to elucidate the role of host volatiles in the semiochemical ecology of the pine engraver, Ips pini (Say) (Coleoptera: Scolytidae), with particular reference to the behavioral responses of predators and competing species of bark beetles. Our results demonstrated that the...

  10. Efficacy of two insecticides for protecting loblolly pines (Pinus taeda L.) from subcortical beetles (Coleoptera: Curculionidae and Cerambycidae)

    Science.gov (United States)

    Jordon L. Burke; James L. Hanula; Scott Horn; Jackson P. Audley; Kamal JK. Gandhi

    2012-01-01

    Tests were conducted on two insecticides (carbaryl and bifenthrin) for excluding subcortical beetles (Coleoptera: Curculionidae and Cerambycidae) from loblolly pine trees (Pinus taeda L.). Two trap designs (single- and double-pane windows) and two trapping heights (1.5 and 4m) were also evaluated for maximizing beetle catches.

  11. Evaluating the use of plastic bags to prevent escape of the emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae) from firewood

    Science.gov (United States)

    Therese M. Poland; Tina M. Ciaramitaro; Deepa S. Pureswaran; Andrea Diss-Torrance

    2008-01-01

    The emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), is a highly destructive exotic pest of ash (Fraxinus) in North America. Human movement of infested logs, primarily pieces of firewood, is a major pathway for long distance spread of the beetle. Firewood may be confiscated at campgrounds, rest-areas, and...

  12. Flight periodicity of the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins (Coleoptera: Curculionidae: Scolytinae) in Colorado, U.S.A

    Science.gov (United States)

    Jose F. Negron; Willis C. Schaupp; Lee Pederson

    2011-01-01

    There are about 500 species of bark beetles (Coleoptera: Curculionidae: Scolytinae) in the United States (Wood 1982). A number of them are important disturbance agents in forested ecosystems, occasionally creating large tracts of dead trees. One eruptive species is the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins, which utilizes Douglas-fir, Pseudotsuga...

  13. Review of the emerald ash borer (Coleoptera: Buprestidae), life history, mating behaviours, host plant selection, and host resistance

    Science.gov (United States)

    Therese M. Poland; Yigen Chen; Jennifer Koch; Deepa. Pureswaran

    2015-01-01

    As of summer 2014, the invasive emerald ash borer (EAB), Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), has become established in 24 states in the United States of America and has killed tens of millions of ash trees since its introduction into Michigan in the 1990s. Considerable research has been conducted on many aspects of EAB life...

  14. Previously unrecorded damage to oak, Quercus spp., in southern California by the goldspotted oak borer, Agrilus coxalis Waterhouse (Coleoptera: Buprestidae)

    Science.gov (United States)

    Tom W. Coleman; Steven Seybold

    2008-01-01

    A new and potentially devastating pest of oaks, Quercus spp., has been discovered in southern California. The goldspotted oak borer, Agrilus coxalis Waterhouse (Coleoptera: Buprestidae), colonizes the sapwood surface and phloem of the main stem and larger branches of at least three species of...

  15. Spatio-temporal analysis of Xyleborus glabratus (Coleoptera: Circulionidae: Scolytinae) Invasion in Eastern U.S. Forests

    Science.gov (United States)

    F.H. Koch; W.D. Smith

    2008-01-01

    The non-native redbay ambrosia beetle, Xyleborus glabratus Eichhoff (Coleoptera: Curculionidae: Scolytinae), has recently emerged as a signiÞcant pest of southeastern U.S. coastal forests. SpeciÞcally, a fungal symbiont (Raffaelea sp.) of X. glabratus has caused mortality of redbay (Persea borbonia...

  16. Microbial control of emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae) with Beauveria bassiana strain GHA: Greenhouse and field trials

    Science.gov (United States)

    Houping Liu; Leah S. Bauer

    2008-01-01

    In 2003-2004, the lethal and sublethal effects of Beauveria bassiana strain GHA on emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae) adults and larvae were evaluated using topical spray and fungal band treatments in the greenhouse and field. B. bassiana strain GHA was moderately effective against...

  17. Laboratory and Field Evaluations of Two Bacillus thuringiensis Formulations, Novodor and Raven, for Control of Cottonwood Leaf Beetle (Coleoptera: Chrysomelidae)

    Science.gov (United States)

    David R. Coyle; Joel D. McMillin; Steven C. Krause; Elwood R. Hart

    2000-01-01

    Laboratory and field experiments were conducted to determine the efficacy of two Bacillus thuringiensis Berliner formulations, Novodor and Raven, for controlling cottonwood leaf beetle, Chrysomela scripta F. (Coleoptera: Chrysomelidae). In laboratory bioassays, larvae or adults were added to petri dishes containing ...

  18. Nuevos datos de distribución de los Cholevinae hipogeos del Atlas marroquí (Coleoptera, Leiodidae

    Directory of Open Access Journals (Sweden)

    Fresneda, J.

    2006-12-01

    Full Text Available New distribution data for the hypogean Cholevinae from the Moroccan Atlas (Coleoptera, Leiodidae The authors report new findings on the distribution of Speonemadus maroccanus (Jeannel, 1936, Nargus (Demochrus rufipennis (Lucas, 1846, Choleva (Choleva kocheri Henrot, 1962 and Catops fuscus fuscoides Reitter, 1909. The geonemy of these species is updated and the research is illustrated with maps of their distribution.

  19. Sanitation options for managing oak wood infested with the invasive goldspotted oak borer (Coleoptera: Buprestidae) in Southern California

    Science.gov (United States)

    Michael I. Jones; Tom W. Coleman; Andrew D. Graves; Mary Louise. Flint; Steven J. Seybold

    2013-01-01

    Movement of invasive wood-boring insects in wood products presents a threat to forest health and a management challenge for public and private land managers. The goldspotted oak borer, Agrilus auroguttatus Schaeffer (Coleoptera: Buprestidae), is a new pest in San Diego and Riverside Cos., CA, believed to have been introduced on firewood. This beetle...

  20. Influence of host stress on emerald ash borer (Coleoptera: Buprestidae) adult density, development, and distribution in Fraxinus pennsylvanica trees

    Science.gov (United States)

    A. R. Tluczek; D. G. Mccullough; Therese M. Poland

    2011-01-01

    Emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), a phloemfeeding beetle native to East Asia, was first discovered in southeast Michigan and Essex County, Ontario, in June 2002 and has since killed millions of ash (Fraxinus spp.) trees in North America. Initial studies in southeast Michigan indicated...

  1. Developmental plasticity in Tenebrio molitor (Coleoptera: Tenebrionidae): Analysis of Instar Variation in Number and Development Time under Different Diets

    Science.gov (United States)

    The variation in instar number and the pattern of sequential instar development time of Tenebrio molitor L. (Coleoptera: Tenebrionidae) was studied under 4 different diet regimes. Addition of dietary supplements consisting of dry potato or a mix of dry potato and dry egg whites significantly reduced...

  2. Self-selection of two diet components by Tennebrio molitor (Coleoptera: Tenebrionidae) larvae and its impact on fitness

    Science.gov (United States)

    We studied the ability of Tenebrio molitor L. (Coleoptera: Tenebrionidae) to self-select optimal ratios of two dietary components to approach nutritional balance and maximum fitness. Life table analysis was used to determine the fitness of T. molitor developing in diet mixtures comprised of four dif...

  3. Podisus distinctus (Heteroptera: Pentatomidae) females are lighter feeding on Tenebrio molitor (Coleoptera: Tenebrionidae) pupae subjected to ventral nerve cord transection

    Science.gov (United States)

    The movement observed in the Tenebrio molitor L., 1758 (Coleoptera: Tenebrionidae) pupae can be a type of defense strategy. This makes it significant to study the development and reproduction of the predatory stinkbugs Asopinae with the immobilized pupae of this prey. The aim was to evaluate the per...

  4. Abundance and frequency of the Asiatic oak weevil (Coleoptera: Curculionidae) and defoliation on American, Chinese, and hybrid chestnut ( Castanea )

    Science.gov (United States)

    Ashley E. Case; Albert (Bud) Mayfield; Stacy L. Clark; Scott E. Schlarbaum; Barbara C. Reynolds

    2016-01-01

    The Asiatic oak weevil, Cyrtepistomus castaneus Roelofs (Coleoptera: Curculionidae), is a nonnative defoliator of trees in the Fagaceae family in the United States but has not been studied on Castanea species in the southern Appalachian Mountains. Planted trees of Castanea dentata (...

  5. Fauna Europaea: Coleoptera 2 (excl. series Elateriformia, Scarabaeiformia, Staphyliniformia and superfamily Curculionoidea)

    Science.gov (United States)

    Alonso Zarazaga, Miguel-Angel; Slipinski, Adam; Nilsson, Anders; Jelínek, Josef; Taglianti, Augusto Vigna; Turco, Federica; Otero, Carlos; Canepari, Claudio; Kral, David; Liberti, Gianfranco; Sama, Gianfranco; Nardi, Gianluca; Löbl, Ivan; Horak, Jan; Kolibac, Jiri; Háva, Jirí; Sapiejewski, Maciej; Jäch, Manfred; Bologna, Marco Alberto; Biondi, Maurizio; Nikitsky, Nikolai B.; Mazzoldi, Paolo; Zahradnik, Petr; Wegrzynowicz, Piotr; Constantin, Robert; Gerstmeier, Roland; Zhantiev, Rustem; Fattorini, Simone; Tomaszewska, Wioletta; Rücker, Wolfgang H.; Vazquez-Albalate, Xavier; Cassola, Fabio; Angelini, Fernando; Johnson, Colin; Schawaller, Wolfgang; Regalin, Renato; Baviera, Cosimo; Rocchi, Saverio; Cianferoni, Fabio; Beenen, Ron; Schmitt, Michael; Sassi, David; Kippenberg, Horst; Zampetti, Marcello Franco; Trizzino, Marco; Chiari, Stefano; Carpaneto, Giuseppe Maria; Sabatelli, Simone

    2015-01-01

    Abstract Fauna Europaea provides a public web-service with an index of scientific names (including synonyms) of all living European land and freshwater animals, their geographical distribution at country level (up to the Urals, excluding the Caucasus region), and some additional information. The Fauna Europaea project covers about 230,000 taxonomic names, including 130,000 accepted species and 14,000 accepted subspecies, which is much more than the originally projected number of 100,000 species. This represents a huge effort by more than 400 contributing specialists throughout Europe and is a unique (standard) reference suitable for many users in science, government, industry, nature conservation and education. Coleoptera represent a huge assemblage of holometabolous insects, including as a whole more than 200 recognized families and some 400,000 described species worldwide. Basic information is summarized on their biology, ecology, economic relevance, and estimated number of undescribed species worldwide. Little less than 30,000 species are listed from Europe. The Coleoptera 2 section of the Fauna Europaea database (Archostemata, Myxophaga, Adephaga and Polyphaga excl. the series Elateriformia, Scarabaeiformia, Staphyliniformia and the superfamily Curculionoidea) encompasses 80 families (according to the previously accepted family-level systematic framework) and approximately 13,000 species. Tabulations included a complete list of the families dealt with, the number of species in each, the names of all involved specialists, and, when possible, an estimate of the gaps in terms of total number of species at an European level. A list of some recent useful references is appended. Most families included in the Coleoptera 2 Section have been updated in the most recent release of the Fauna Europaea index, or are ready to be updated as soon as the FaEu data management environment completes its migration from Zoological Museum Amsterdam to Berlin Museum für Naturkunde

  6. Involvement of larder beetles (Coleoptera: Dermestidae) on human cadavers: a review of 81 forensic cases.

    Science.gov (United States)

    Charabidze, Damien; Colard, Thomas; Vincent, Benoit; Pasquerault, Thierry; Hedouin, Valery

    2014-11-01

    From 1994 to 2013, French forensic entomology laboratories investigated 1,093 cases. Larder beetles (Coleoptera: Dermestidae) were observed in 81 (7.5%) of these cases. To describe and analyze these 81 cases, eight parameters were used: city, location (indoor or outdoor), decay stage (fresh, decay, or dry), dermestid species and instar (adults and/or larvae), presence of living calliphorid larvae, presence of calliphorid pupae or adults, and presence of other necrophagous species. Eight Dermestidae species were observed: Dermestes frischii (42% of cases), Dermestes undulatus (35.8%), Dermestes peruvianus (12.3%), Dermestes lardarius (9.9%), Dermestes haemorrhoidalis (8.6%), Dermestes maculatus (7.4%), Dermestes bicolor (3.7%), and Dermestes ater (1.2%). Larder beetles primarily developed on human cadavers in outdoor locations in areas with a dry climate and were never reported in oceanic areas (which are characterized by frequent rainfall and high ambient humidity). The number of dermestid species on a single corpse never exceeded three. Typically, one species was found per corpse. Species differed between indoor and outdoor cases, with D. frischii and D. undulatus dominant in outdoor cases, while D. peruvianus dominant in indoor cases. Calliphoridae was found in 88% of the cases, while Hydrotaea and Piophilidae were observed 40% of the time. Regarding Coleoptera, Necrobia spp. (Coleoptera: Cleridae) was observed in 46% of the cases. Lastly, we observed a typical decomposition pattern, with preferential feeding areas on the face, hands, and feet (i.e., the extremities). Pupation chambers on or inside the bones were not observed.

  7. Fauna Europaea: Coleoptera 2 (excl. series Elateriformia, Scarabaeiformia, Staphyliniformia and superfamily Curculionoidea).

    Science.gov (United States)

    Audisio, Paolo; Alonso Zarazaga, Miguel-Angel; Slipinski, Adam; Nilsson, Anders; Jelínek, Josef; Taglianti, Augusto Vigna; Turco, Federica; Otero, Carlos; Canepari, Claudio; Kral, David; Liberti, Gianfranco; Sama, Gianfranco; Nardi, Gianluca; Löbl, Ivan; Horak, Jan; Kolibac, Jiri; Háva, Jirí; Sapiejewski, Maciej; Jäch, Manfred; Bologna, Marco Alberto; Biondi, Maurizio; Nikitsky, Nikolai B; Mazzoldi, Paolo; Zahradnik, Petr; Wegrzynowicz, Piotr; Constantin, Robert; Gerstmeier, Roland; Zhantiev, Rustem; Fattorini, Simone; Tomaszewska, Wioletta; Rücker, Wolfgang H; Vazquez-Albalate, Xavier; Cassola, Fabio; Angelini, Fernando; Johnson, Colin; Schawaller, Wolfgang; Regalin, Renato; Baviera, Cosimo; Rocchi, Saverio; Cianferoni, Fabio; Beenen, Ron; Schmitt, Michael; Sassi, David; Kippenberg, Horst; Zampetti, Marcello Franco; Trizzino, Marco; Chiari, Stefano; Carpaneto, Giuseppe Maria; Sabatelli, Simone; de Jong, Yde

    2015-01-01

    Fauna Europaea provides a public web-service with an index of scientific names (including synonyms) of all living European land and freshwater animals, their geographical distribution at country level (up to the Urals, excluding the Caucasus region), and some additional information. The Fauna Europaea project covers about 230,000 taxonomic names, including 130,000 accepted species and 14,000 accepted subspecies, which is much more than the originally projected number of 100,000 species. This represents a huge effort by more than 400 contributing specialists throughout Europe and is a unique (standard) reference suitable for many users in science, government, industry, nature conservation and education. Coleoptera represent a huge assemblage of holometabolous insects, including as a whole more than 200 recognized families and some 400,000 described species worldwide. Basic information is summarized on their biology, ecology, economic relevance, and estimated number of undescribed species worldwide. Little less than 30,000 species are listed from Europe. The Coleoptera 2 section of the Fauna Europaea database (Archostemata, Myxophaga, Adephaga and Polyphaga excl. the series Elateriformia, Scarabaeiformia, Staphyliniformia and the superfamily Curculionoidea) encompasses 80 families (according to the previously accepted family-level systematic framework) and approximately 13,000 species. Tabulations included a complete list of the families dealt with, the number of species in each, the names of all involved specialists, and, when possible, an estimate of the gaps in terms of total number of species at an European level. A list of some recent useful references is appended. Most families included in the Coleoptera 2 Section have been updated in the most recent release of the Fauna Europaea index, or are ready to be updated as soon as the FaEu data management environment completes its migration from Zoological Museum Amsterdam to Berlin Museum für Naturkunde.

  8. A review of the natural history of adult Cetoniinae (Coleoptera: Scarabaeidae) from Argentina and adjacent countries.

    Science.gov (United States)

    Di Iorio, Osvaldo

    2014-04-17

    A compilation of the known natural history of adult Cetoniinae (Coleoptera: Scarabaeidae) from Argentina and adjacent countries is provided. Food items of adult Cetoniinae include pollen and/or nectar (flower visitors), sap and/or slime flux, ripened fruits on plants, green tissues and leaves, and honey. Of the 36 species of Cetoniinae from Argentina, food items are known only for 11 species (30.5%). Attraction to light and bait-traps, adult activity periods, vertebrate predators, and the occurrence in bird nests are presented and discussed. Other insects that share the same food sources and bait-traps with Cetoniinae are mentioned.

  9. Toxomerus duplicatus Wiedemann, 1830 (Diptera: Syrphidae preying on Microtheca spp. (Coleoptera: Chrysomelidae larvae

    Directory of Open Access Journals (Sweden)

    VS Sturza

    Full Text Available Microtheca spp. (Coleoptera: Chrysomelidae are insect pests primarily related to Brassicaceae crops. In the State of Rio Grande do Sul (RS, southern Brazil, they are found on forage turnip, Raphanus sativus L. var. oleiferus Metzg., which is commonly grown during fall/winter seasons. This work reports the predation of Microtheca spp. larvae by Toxomerus duplicatus Wiedemann, 1830 (Diptera: Syrphidae larvae, on forage turnip crop, in Santa Maria, RS. This register provides new information about Microtheca spp. natural enemies in Brazil, which might be a new option for integrate pest management of these species.

  10. Larval and pupal descriptions of Anomalini (Coleoptera: Scarabaeidae: Rutelinae) species from Ecuador.

    Science.gov (United States)

    Filippini, Valentina; Onore, Giovanni; Guidolin, Laura

    2017-02-02

    The third instars are described and illustrated for five Anomalini (Coleoptera: Scarabaeidae: Rutelinae) species from Ecuador: Anomala balzapambae Ohaus, 1897, A. popayana Ohaus, 1897, A. valida Burmeister, 1844, Callistethus buchwaldianus (Ohaus, 1908), and C. levii (Blanchard, 1851). The pupae of three Ecuadorian species are also described and illustrated: A. discoidalis Bates, 1888, A. popayana, and C. levii. Diagnostic characters of the species are provided. A key to the known larvae of Anomalini from the New World is provided, which now includes five genera and 31 species.

  11. Gross anatomy of central nervous system in firefly, Pteroptyx tener (Coleoptera: Lampyridae)

    Science.gov (United States)

    Hudawiyah, Nur; Wahida, O. Nurul; Norela, S.

    2015-09-01

    This paper describes for the first time the organization and fine structure of the central nervous system (CNS) in the fireflies, Pteroptyx tener (Coleoptera: Lampyridae). The morphology of the CNS was examined by using Carl Zeiss AxioScope A1 photomicroscope with iSolution Lite software. Some specific structural features such as the localization of protocerebrum, deutocerebrum and tritocerebrum in the brain region were analyzed. Other than that, the nerve cord and its peripheral structure were also analyzed. This study suggests that, there is a very obvious difference between male and female central nervous system which illustrates that they may differ in function in controlling physiological and behavioral activities.

  12. Sulawesi Onthophagus: seven new species in select groups (Coleoptera: Scarabaeidae: Scarabaeinae).

    Science.gov (United States)

    Krikken, J; Huijbregts, J

    2017-03-05

    Eleven species in five small operational groups of the scarab genus Onthophagus Latreille, 1802 (Coleoptera: Scarabaeidae: Scarabaeinae) are treated, all from the Indonesian island of Sulawesi and nearby smaller islands. These groups are defined, and their species are keyed, described, and illustrated, including the following seven new species: Onthophagus bisscrutator (O. scrutator group); O. bongkudai (O. holosericus group); O. sopu (O. manguliensis group); O. hollowayi, O. seseba, and O. annulopunctatus (O. seseba group); and O. begoniophilus (O. deflexicollis group). Lectotypes are designated for Onthophagus scrutator Harold, 1877 and O. holosericus Harold, 1877.

  13. Two new species of Parandrinae (Coleoptera: Cerambycidae) in the genera Parandra and Acutandra from South America.

    Science.gov (United States)

    Lingafelter, Steven W; Tishechkin, Alexey K

    2017-05-30

    Two new species of high-elevation Parandrinae (Coleoptera: Cerambycidae) are described from Bolivia and Ecuador, South America. Both species are unusual in having piceous coloration over most of the dorsal surface. Parandra (Tavandra) santossilvai Lingafelter & Tishechkin, new species, is described from Achira, Santa Cruz Province, Bolivia, a site at 2,000 meters elevation. Acutandra caterinoi Lingafelter & Tishechkin, new species, is described from Pichincha Province, Ecuador, from sites between 1,900-2,500 meters. Illustrations, descriptions, diagnoses, and discussion of their generic and subgeneric placements are included.

  14. An annotated checklist of click-beetles (Coleoptera, Elateridae) from Iran.

    Science.gov (United States)

    Platia, Giuseppe; Ghahari, Hassan

    2016-07-11

    The fauna of Iranian Elateridae (Coleoptera: Elateroidea) is summarized in this paper. In total 245 species from 58 genera and 7 subfamilies Agrypninae Candèze (13 genera, 36 species), Cardiophorinae Candèze (4 genera, 55 species), Cebrioninae Latreille (2 genera, 6 species), Dendrometrinae Gistel (13 genera, 28 species), Elaterinae Leach (23 genera, 104 species), Lissominae Laporte (1 genus, 1 species) and Negastriinae Nakane & Kishii (2 genera, 15 species) are listed in literature as the fauna of Iran. Totally 74 species are endemic to Iran.

  15. On the family- and genus-series nomina in Gyrinidae Latreille, 1810 (Coleoptera, Adephaga).

    Science.gov (United States)

    Gustafson, Grey T; Miller, Kelly B

    2013-10-29

    All available genus- and family- group nomina for the Gyrinidae (Coleoptera: Adephaga) are listed along with original citation, original and current status, type nominal taxon with method of designation, and known synonymies and incorrect subsequent spellings. The nomina included follow the most current classification. Discussion is provided clarifying numerous nomenclatural problems with original spellings, correct authorship and type designation. Dineutini Ochs, 1926 syn. nov. is found to be a junior homonym of Dineutini Desmarest, 1851, and Enhydrini Régimbart, 1882 syn. nov. and its justified emendation Enhydrusini (Anonymous 2012) are here synonymized with Dineutini Desmarest, 1851.

  16. Resfriamento artificial para o controle de Coleoptera em arroz armazenado em silo metálico

    Directory of Open Access Journals (Sweden)

    Sonia Maria Noemberg Lazzari

    2006-06-01

    Full Text Available Resfriamento artificial para o controle de Coleoptera em arroz armazenado em silo metálico. O objetivo desta pesquisa foi avaliar o efeito do resfriamento artificial de grãos de arroz para o controle de coleópteros-praga. O ar frio foi insuflado pelo sistema de aeração em um silo metálico com arroz-em-casca. A avaliação do tratamento foi feita quinzenalmente usando armadilhas caladores. As espécies de Coleoptera capturadas foram: Oryzaephilus surinamensis (60%; Cryptolestes ferrugineus (9%; Rhyzopertha dominica (16,5% e Sitophilus spp. (0,5%. Aos 28 dias, a temperatura média da massa de grãos era de 15ºC, e o número médio de insetos havia diminuído 76,8%. A aplicação de ar frio manteve as populações sob controle por aproximadamente 60 dias. Os resultados do monitoramento dos insetos e da temperatura indicaram que um novo ciclo de ar frio deveria ser aplicado nesse período para manter as populações sob controle. Também o manejo adequado da massa de grãos faz-se necessário para garantir resultados satisfatórios do resfriamento artificial.Artificial chilling to control Coleoptera in paddy rice stored in metallic silo. The objective of this research was to evaluate the effect of artificial chilling for the control of coleopterans in stored paddy rice. The cold air was insufflated through the aeration system of a metallic silo with paddy rice. Evaluation of insect number was made every 15 days using probe traps. The species of Coleoptera captured were: Oryzaephilus surinamensis (60%; Cryptolestes ferrugineus (9%; Rhyzopertha dominica (16.5% and Sitophilus spp. (0.5%. By the 28th day the average temperature of the grain mass was 15ºC, and the mean number of insects decreased 76.8%. The cold air application kept the insect populations under control for approximately 60 days. The results of temperature and insect monitoring indicated that a new cycle of cold air should be applied by that time to keep the populations under

  17. The genus Phyllophaga Harris (Coleoptera: Scarabaeidae: Melolonthinae) in the Colombian Andean Mountains.

    Science.gov (United States)

    Vallejo, Luis Fernando; Wolff, Martha

    2013-01-01

    The number of species in the genus Phyllophaga Harris (Coleoptera: Scarabaeidae: Melolonthinae) in Colombia is updated to 33. This group represents one of the most common components of the "white grubs" complex, known to damage important agricultural crops, especially in the Colombian Andean Mountains. A commented taxonomic history of the genus is provided, including five new records for the country (P. schizorhina, P. onoreana, P. densata, P. guanacasteca, and P. gigantea) and Phyllophaga tesorito is described as a new species. A key to the identification of male specimens of 30 species is included with a catalogue illustrating their key structures. Finally, aspects related to their ecological importance, geographic distribution, and phenology are discussed.

  18. The genus Brachypsectra LeConte, 1874 (Coleoptera: Brachypsectridae in the Palaearctic Region

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    Ivana Petrzelkova

    2017-02-01

    Full Text Available We summarize all information regarding the genus Brachypsectra (Coleoptera: Brachypsectridae in the Palaearctic Region. New material of B. kadleci Hájek, 2010 is reported from western and southern Iran and its intraspecific variability in coloration and morphology is described and figured. Brachypsectra jaechi sp. nov. from southern Turkey is described from males, and an unassociated Brachypsectra species from Cyprus is reported, including the descriptions of its female and larva. These findings are the first records of this genus as well as of the family Brachypsectridae for Turkey and Cyprus. Additionally, a diagnostic key to the adult males and larvae of all Brachypsectra species is updated.

  19. Hot palm oil treatment to confer rubberwood resistance against the pest Sinoxylonanale Lesne (Coleoptera: Bostrichidae).

    Science.gov (United States)

    Tarasin, M; Rattanapun, W

    2013-01-01

    This work evaluated the potential of hot oil treatments, at various temperatures and durations, to give rubberwood resistance against Sinoxylon anale Lesne (Coleoptera: Bostrichidae) attack. Rubberwood samples were treated with hot palm oil, at 170 degrees C or 180 degrees C for three or five hours, before testing with S. anole and comparison with untreated control samples. The relative loss of mass was lowest with treatment at 180 degrees C for five hours. The relative loss of mass did not significantly differ between the control and treatment at 170 degrees C for three hours. Appropriate treatment with hot palm oil reduced S anale infestation in rubberwood.

  20. On the concepts of "pre-pupa", with special reference to the Coleoptera

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    Cleide Costa

    1984-01-01

    Full Text Available Three main concepts of "pre-pupa" are recognized here in the Holometabola: i pre-pupa without a distinct moult but with a short quiescent period followed or not by slight modifications of the last larval instar form of body - this type corresponds to the pharate pupa; ii pre-pupa with a distinct moult, and a quiescent resting period followed by slight form modifications (mainly in the mandibles and color pattern with a variable period of diapause (ex. Hymenoptera-Symphyta; iii pre-pupa with a distinct moult, a quiescent period not related to the diapause phenomenon, and distinct morphological modifications (Coleoptera-Mycteridae.

  1. Description of the third instar larvae of five species of Cyclocephala (Coleoptera, Melolonthidae, Dynastinae from Mexico

    Directory of Open Access Journals (Sweden)

    Miguel A. Morón

    2014-09-01

    Full Text Available Description of the third instar larvae of five species of Cyclocephala (Coleoptera, Melolonthidae, Dynastinae from Mexico. Larvae of four species of Cyclocephala are described for the first time based on specimens collected in Mexican localities: C. barrerai Martínez, 1969 from Puebla, C. sinaloae Howden & Endrödi, 1966 from Sinaloa, C. fasciolata Bates, 1888 from Veracruz, and C. jalapensis Casey, 1915 from Hidalgo. Larva of C. lunulata Burmeister, 1847, is redescribed based on specimens from the Mexican states of Morelos, Puebla, and Veracruz. Diagnostic structures are illustrated and the differences and similarities of each species with other previously described larvae of the genus are commented.

  2. Redescription of Platynaspisflavoguttata (Gorham) (Coleoptera, Coccinellidae) and notes on nomenclature of Platynaspiskapuri Chakraborty & Biswas.

    Science.gov (United States)

    Poorani, J

    2014-01-01

    Platynaspisflavoguttata (Gorham) (Coleoptera: Coccinellidae) is redescribed and the male genitalia are illustrated for the first time. It is also recorded from Sri Lanka for the first time. Platynaspisbimaculata (Hoang, 1983) is a new junior synonym of Platynaspisbimaculata Pang & Mao, 1979 (new synonym). Platynaspiskapuri Chakraborty & Biswas, 2000, the replacement name for Platynaspisbimaculata Pang & Mao, 1979 established by Ukrainsky (2007), is also the new replacement name for Platynaspisbimaculata (Hoang, 1983), as both are junior homonyms of Platynaspisbimaculata Weise, 1888 besides being synonyms. Platynaspishoangi Ukrainsky (2007) is an unnecessary replacement name for Platynaspisbimaculata (Hoang).

  3. Redescription of Platynaspis flavoguttata (Gorham (Coleoptera, Coccinellidae and notes on nomenclature of Platynaspis kapuri Chakraborty & Biswas

    Directory of Open Access Journals (Sweden)

    J. Poorani

    2014-05-01

    Full Text Available Platynaspis flavoguttata (Gorham (Coleoptera: Coccinellidae is redescribed and the male genitalia are illustrated for the first time. It is also recorded from Sri Lanka for the first time. Platynaspis bimaculata (Hoang, 1983 is a new junior synonym of Platynaspis bimaculata Pang & Mao, 1979 (new synonym. Platynaspis kapuri Chakraborty & Biswas, 2000, the replacement name for Platynaspis bimaculata Pang & Mao, 1979 established by Ukrainsky (2007, is also the new replacement name for Platynaspis bimaculata (Hoang, 1983, as both are junior homonyms of Platynaspis bimaculata Weise, 1888 besides being synonyms. Platynaspis hoangi Ukrainsky (2007 is an unnecessary replacement name for P. bimaculata (Hoang.

  4. First record of the genus Pseudopilolabus Legalov, 2003 (Coleoptera: Attelabidae) in Dominican amber

    OpenAIRE

    Poinar Jr., G.; Brown, A. E.; A. A. Legalov

    2015-01-01

    A new weevil species (urn:lsid:zoobank.org:act:2D5E9E4A-A250-4D0A-AF69-CF4753436686), Pseudopilolabus othnius Poinar, Brown and Legalov, sp. nov. (Coleoptera: Attelabidae), is described from Dominican amber. The new species is close to the extant P. viridanus (Gyllenhal, 1839) and P. splendens (Gyllenhal, 1839) but differs by having a bronzed body, narrower and more convex elytral intervals, long antennae reaching the middle of the pronotum, and weakly convex eyes; from P. rugi...

  5. New species of Dilobitarsus Latreille with tetra-tuberculated pronotum (Coleoptera, Elateridae, Agrypninae

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    Sônia A. Casari

    2013-12-01

    Full Text Available New species of Dilobitarsus Latreille with tetra-tuberculated pronotum (Coleoptera, Elateridae, Agrypninae. Four species of Dilobitarsus Latreille, 1834, D. angulosus sp. nov. (Brazil: São Paulo, Rio de Janeiro, D. bellus sp. nov. (Peru, D. nigrus sp. nov. (Argentina and D. thoraconstrictus sp. nov. (Bolivia are described, and D. quadrituberculatus Candèze, 1857 is redescribed. Diagnostic characters of all studied species are illustrated and new records for D. quadrituberculatus are included. A key to Dilobitarsus species from the Neotropical Region is also presented.

  6. Revisão do gênero Dragoneutes Martins & Monné (Coleoptera, Cerambycidae

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    Marcela L. Monné

    2004-06-01

    Full Text Available O gênero Dragoneutes Martins & Monné, 1980 é revisto. D. pilosus sp. nov. é descrita da Argentina (La Rioja, um estudo detalhado da morfologia de D. baculus (Gounelle, 1913 é apresentado e chave para identificação das espécies é fornecida.Revision of the genus Dragoneutes Martins & Monné (Coleoptera, Cerambycidae. The genus Dragoneutes is revised. D. pilosus sp. nov. is described from Argentina (La Rioja and a detailed morphological study of D. baculus (Gounelle, 1913 is presented. A key to the species is added.

  7. Evaluating Alpha and Beta Taxonomy in Ant-Nest Beetles (Coleoptera, Carabidae, Paussini

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    Simone Fattorini

    2013-01-01

    Full Text Available We evaluated completeness, accuracy, and historical trend of the taxonomic knowledge on the myrmecophilous ground beetle tribe Paussini (Coleoptera, Carabidae, Paussinae. Accumulation curves for valid names and synonyms of species, subgenera, and genera were modelled using logistic functions. Analyses of trends in synonymies suggest that few currently accepted taxa will be recognized to be synonymous in the future. This may indicate that Paussini are a taxonomically relatively stable tribe of carabid beetles. However, this result might also be due to the lack of recent taxonomic work in some biogeographical regions.

  8. Invertebrate fauna (Coleoptera, Collembola, Diplopoda, Isopoda collected in the karst areas of the Aninei - Locvei Mountains

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    Andrei Giurginca

    2011-08-01

    Full Text Available The authors identified 132 species of invertebrates (14 Oniscidea, 25 Diplopoda,31 Collembola and 62 Coleoptera recently sampled (2001–2006 from the soil and subterranean (MSS and caves environments from the Banat Mountains. Some new,rare and endemic species are discussed. The seasonal changes of the species diversity in the superficial subterranean environments at 0.5 to 1 m in depth are for the first time presented for the Reşiţa – Moldova Nouă synclinorium. The characteristic and preferential species for the mesovoid shallow substratum (MSS, belonging to the analyzed taxa, are identified.

  9. A checklist of the Cleridae of Iran with new data (Coleoptera: Cleroidea).

    Science.gov (United States)

    Zappi, Iuri; Ghahari, Hassan

    2016-08-05

    Species diversity of Iranian Cleridae (Coleoptera: Cleroidea) is summarized in this paper. A total of 48 species and 1 subspecies in 14 genera belonging to 4 subfamilies of Cleridae are recorded. Eight species, Thaneroclerus buqueti (Lefebvre, 1835), Denops albofasciatus (Charpentier, 1825), Flabellotilloidea palaestina (Pic, 1900), Clerus mutillaroides Reitter, 1894, Opilo cilicicus Hintz, 1902, Opilo longipilis Fairmaire, 1892, Trichodes alberi Escherich, 1894 and Trichodes inermis Reitter, 1894 are recorded from Iran for the first time. Synonymies and distribution data are given. The checklist is based on examination of the literature and also includes records from specimens examined in many collections. Taxa are arranged hierarchically under the categories of subfamily, genus, species and subspecies.

  10. CONTRIBUTIONS TO THE KNOWLEDGE OF THE SPECIES OF BEETLES (INSECTA: COLEOPTERA FROM WHEAT CROP

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    Mihai Tălmaciu

    2016-07-01

    Full Text Available This paper presents the species of beetles (Insecta: Coleoptera between in wheat crops from Tişiţa, in Vrancea county. The observations were made in a crop of wheat in 2013, who were placed the soil traps type Barber, during the two months, May and June. It was used three variants: • Variant 1 - consumption wheat untreated • Variant 2 - consumption wheat treaty • Variant 3 - treated wheat seed The gathering of samples from the traps was done periodically, every 12-15 days. The most species frequent gathered was: Pentodon idiota, Epicometis hirta, Opatrum sabulosum, Phyllotreta atra, Phyllotreta nemorum, Tanymecus dilaticollis.

  11. Ground beetle (Coleoptera: Carabidae) assemblages in narrow hedgerows in a Danish agricultural landscape

    DEFF Research Database (Denmark)

    Lövei, G. L.; Magura, T.

    2015-01-01

    The role of hedgerows in supporting ground beetles (Coleoptera: Carabidae) in a Danish agricultural landscape was examined. Nine old, well established single-row hedges were selected for the study, three each of a native species (hawthorn, Crataegus monogyna), a non-native deciduous one (rowan...... Sorbus intermedia), and the non-native spruce (Picea spp.). We hypothesised that hedgerows with deciduous trees harbour more diverse ground beetle assemblages than hedges composed of non-native conifer trees. We also investigated which vegetation structure characteristics might influence the ground...

  12. Espécies de Gorybia Pascoe (Coleoptera, Cerambycidae, Piezocerini ocorrentes na Bolívia

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    Maria Helena M. Galileo

    2013-03-01

    Full Text Available Species of Gorybia Pascoe (Coleoptera, Cerambycidae, Piezocerini occurring in Bolivia. The genus Gorybia (Cerambycinae, Piezocerini consists of 45 described species with seven species recorded from Bolivia. Nine new species are described herein from Bolivia: G. abnormalis sp. nov.; G. alveolata sp. nov.; G. asyka sp. nov.; G. florida sp. nov.; G. inarmata sp. nov.; G. longithorax sp. nov.; G. guenda sp. nov.; G. tuberosa sp. nov. and G. wappesi sp. nov. A key to the species now known to occur in Bolivia is included.

  13. Soil and saproxylic species (Coleoptera, Collembola, Araneae in primeval forests from the Northern part of South-Easthern Carpathians

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    Eugen Nițu

    2009-12-01

    Full Text Available In 2006-2007 we carried out faunal investigations in the vernal, estival and autumnal seasons in the scientific reserve "Codrul Secular Giumalău" using quantitative sampling methods. We identified 189 species of Coleoptera, 70 of Collembola and 20 of Araneae. Of these, 11 phytophagous, 18 myceto/xylo-mycetophagous, 9 mixophagous, 18 xylo- and cambio-xylemophagous, 38 saproxylophagous, 125 (55 Coleoptera, 70 Collembola detritivorous (sapro-, copro- and necrophagous, 60 (40 Coleoptera, 20 Aranea predators/parasitoids. Hymenaphorura polonica Pomorski, 1990 (Collembola, and Leiodes rhaeticus Erichson, 1845 (Coleoptera, Leiodidae, are recorded for the first time in the Romanian fauna. The rare species and characteristic species for the old primeval spruce forests are analysed for each studied taxonomic group. The species richness and faunal diversity from the Giumalău primeval spruce forest are compared with those of other very well preserved forests from the Carpathians scientific reserves (Codrul Secular Slătioara, Pietrosul Rodnei. The species abundances were used to compute the similarity indexes between the sampled sectors of forest and to perform Cluster Analysis. We observed that the dead wood in the 2nd-6th phases of decomposition has a great influence not only on the saproxylic species but also on the soil fauna like ground beetles (Carabidae that use the logs as ecologic microrefuges (winter refugees or diurnal refugees. The structure of the soil fauna is influenced by wood extraction from the forest ecosystem or by natural perturbations, this consisting in the appearance of opportunistic species as Orchesella pontica (Collembola and in decreasing of species richness of Carabidae (Coleoptera.

  14. Soil and saproxylic species (Coleoptera, Collembola, Araneae in primeval forests from the northern part of South-Easthern Carpathians

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    Eugen Nitu

    2009-11-01

    Full Text Available In 2006-2007 we carried out faunal investigations in the vernal, estival and autumnal seasons in the scientific reserve "Codrul Secular Giumalãu" using quantitative sampling methods. We identified 189 species of Coleoptera, 70 of Collembola and 20 of Araneae. Of these, 11 phytophagous, 18 myceto/xylo-mycetophagous,9 mixophagous, 18 xylo- and cambio-xylemophagous, 38 saproxylophagous,125 (55 Coleoptera, 70 Collembola detritivorous (sapro-, copro- andnecrophagous, 60 (40 Coleoptera, 20 Aranea predators/parasitoids. Hymenaphorura polonica Pomorski, 1990 (Collembola, and Leiodes rhaeticus Erichson, 1845 (Coleoptera, Leiodidae, are recorded for the first time in the Romanian fauna. The rare species and characteristic species for the old primeval spruce forests are analysed for each studied taxonomic group. The species richness and faunal diversity from the Giumalãu primeval spruce forest are compared with those of other very well preserved forests from the Carpathians scientific reserves (Codrul Secular Slãtioara,Pietrosul Rodnei. The species abundances were used to compute the similarity indexes between the sampled sectors of forest and to perform Cluster Analysis. We observed that the dead wood in the 2nd-6th phases of decomposition has a great influence not only on the saproxylic species but also on the soil fauna like ground beetles(Carabidae that use the logs as ecologic microrefuges (winter refugees or diurnal refugees. The structure of the soil fauna is influenced by wood extraction from the forest ecosystem or by natural perturbations, this consisting in the appearance of opportunistic species as Orchesella pontica (Collembola and in decreasing ofspecies richness of Carabidae (Coleoptera.

  15. Functional Response of the Predators Alloeocranum biannulipes (Hemiptera: Reduviidae) and Teretrius nigrescens (Coleoptera: Histeridae) Feeding on Dinoderus porcellus (Coleoptera: Bostrichidae) Infesting Yam Chips.

    Science.gov (United States)

    Loko, Y L; Djagoun, A D; Dannon, E A; Datinon, B; Dansi, A; Thomas-Odjo, A A; Tamo, M

    2017-02-01

    The functional response and some predation parameters of the predators Alloeocranum biannulipes Montrouzier & Signoret (Hemiptera: Reduviidea) and Teretrius nigrescens Lewis (Coleoptera: Histeridae) were evaluated at five different densities of larvae and pupae of Dinoderus porcellus Lesne (Coleoptera: Bostrichidae) with the aim to understand their roles in the biological control of this major pest of stored yam chips. Experiments were performed in petri dishes at 25 ± 1 °C, 60 ± 10% RH, and a photoperiod of 12:12 (L:D) h in a controlled temperature room. Both predators showed Type II of functional response with respect to larvae, determined by a logistic regression model. However, T. nigrescens significantly killed more larvae of D. porcellus compared with A. biannulipes. This behavior, however, changed to a linear functional response (Type I), when pupae of D. porcellus were offered to both predators, possibly because of their immobility. In addition, there was no significant difference between T. nigrescens and A. biannulipes in terms of the killed pupae. Parameters of the Holling disc equation for both predators were estimated. Estimated handling time on larvae of D. porcellus for T. nigrescens and A. biannulipes was 0.254 and 0.677 h and the rate of searching efficiency was 0.289 and 0.348 h-1, respectively. Results indicated that T. nigrescens was a more suitable candidate for augmentative release for D. porcellus control than A. biannulipes. However, semifield studies are required to draw firm conclusions. © The Authors 2016. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

  16. Evaluation of Standard Loose Plastic Packaging for the Management of Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae) and Tribolium castaneum (Herbst) (Coleoptera: Tenebriondiae).

    Science.gov (United States)

    Hassan, Muhammad Waqar; Gulraize; Ali, Usman; Ur Rehman, Fazal; Najeeb, Hafsa; Sohail, Maryam; Irsa, Bakhtawar; Muzaffar, Zubaria; Chaudhry, Muhammad Shafiq

    2016-01-01

    Three standard foodstuff plastic packaging namely polyethylene (PE), polypropylene (PP), and polyvinylchloride (PVC) were evaluated for management of lesser grain borer Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae) and red flour beetle Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). Resistance parameters in packaging were recorded as punctures, holes, penetrations, sealing defects, and invasions with two thicknesses and tested for two lengths of time. Damages like punctures, holes and penetrations by both insects were more in PE packaging however R. dominica made more penetrations in PP than in PE. For both insects sealing defects and invasions were predominant in PVC than in others. Thickness did not affect significantly damage types but significantly more holes and penetrations by R. dominica were in less thickness. Punctures and holes by R. dominica were more after less time period but other damages in packaging were more after more time period. However for T. castaneum all sorts of damages were seen more after more time period. Overall categorization between two insects showed R. dominica made more penetrations and T. castaneum made more invasions compared with their counterparts. Pictures were taken under camera fitted microscope to magnify punctures and holes in different packaging and thicknesses. Insect mortality due to phosphine was more in PP and PE packaging and least in PVC packaging and thickness effect was marginal. T. castaneum mortality was significantly more after 48 h than after 24 h. Damages extent in packaging and fumigation results showed PP to be the best of three packaging materials to manage these insects. © The Authors 2016. Published by Oxford University Press on behalf of Entomological Society of America.

  17. Estirpes de Bacillus thuringiensis efetivas contra insetos das ordens Lepidoptera, Coleoptera e Diptera Bacillus thuringiensis strains effective against insects of Lepidoptera, Coleoptera and Diptera orders

    Directory of Open Access Journals (Sweden)

    Lílian Botelho Praça

    2004-01-01

    Full Text Available O objetivo deste trabalho foi selecionar entre 300 estirpes de Bacillus thuringiensis as efetivas simultaneamente contra larvas de Spodoptera frugiperda J.E. Smith e Anticarsia gemmatalis Hübner (Lepidoptera: Noctuidae, Anthonomus grandis Boheman (Coleoptera: Curculionidae, Aedes aegypti Linnaeus e Culex quinquefasciatus Say (Diptera: Culicidae. Foram selecionadas duas estirpes de B. thuringiensis, denominadas S234 e S997, que apresentaram atividade contra as três ordens de insetos. As estirpes foram caracterizadas por métodos morfológicos, bioquímicos e moleculares. As mesmas apresentaram duas proteínas principais de 130 e 65 kDa, produtos de reação em cadeia da polimerase de tamanho esperado para a detecção dos genes cry1Aa, cry1Ab, cry1Ac, cry1B e cry2 e cristais bipiramidais, cubóides e esféricos.The aim of this work was to select among 300 strains of Bacillus thuringiensis those which are simultaneously effective against larvae of Spodoptera frugiperda J.E. Smith and Anticarsia gemmatalis Hübner (Lepidoptera: Noctuidae, Anthonomus grandis Boheman (Coleoptera: Curculionidae, Aedes aegypti Linnaeus and Culex quinquefasciatus Say (Diptera: Culicidae. Two strains of B. thuringiensis were selected, S234 and S997, which presented activity against those three insect orders. Both strains were characterized by morphological, biochemical and molecular methods. They have presented two main proteins with 130 and 65 kDa, polimerase chain reaction products with expected sizes for detection of the genes cry1Aa, cry1Ab, cry1Ac, cry1B and cry2 and bipiramidal, cubical and spherical crystals.

  18. Detection and quantification of Leptographium wageneri, the cause of black-stain root disease, from bark beetles (Coleoptera: Scolytidae) in North California using regular and real-time PCR

    Science.gov (United States)

    Wolfgang Schweigkofler; William J. Otrosina; Sheri L. Smith; Daniel R. Cluck; Kevin Maeda; Kabir G. Peay; Matteo Garbelotto

    2005-01-01

    Black-stain root disease is a threat to conifer forests in western North America. The disease is caused by the ophiostomatoid fungus Leptographium wageneri (W.B. Kendr.) M.J. Wingf., which is associated with a number of bark beetle (Coleoptera: Scolytidae) and weevil species (Coleoptera: Curculionidae). We developed a polymerase chain reaction test...

  19. Endogenous cellulolytic enzyme systems in the longhorn beetle Mesosa myops (Insecta: Coleoptera) studied by transcriptomic analysis.

    Science.gov (United States)

    Liu, Jie; Song, Keqing; Teng, Huajing; Zhang, Bin; Li, Wenzhu; Xue, Huaijun; Yang, Xingke

    2015-09-01

    The Cerambycidae (longhorn beetle) is a large family of Coleoptera with xylophagous feeding habits. Cellulose digestion plays an important role in these wood-feeding insects. In this study, transcriptomic technology was used to obtain one glycoside hydrolase family 45 (GH45) cellulase and seven GH5 cellulases from Mesosa myops, a typical longhorn beetle. Analyses of expression dynamics and evolutionary relationships provided a complete description of the cellulolytic system. The expression dynamics related to individual development indicated that endogenous GH45 and GH5 cellulases dominate cellulose digestion in M. myops. Evolutionary analyses suggested that GH45 cellulase gene is a general gene in the Coleoptera Suborder Polyphaga. Evolutionary analyses also indicated that the GH5 cellulase group in Lamiinae longhorn beetles is closely associated with wood feeding. This study demonstrated that there is a complex endogenous cellulolytic system in M. myops that is dominated by cellulases belonging to two glycoside hydrolase families. © The Author 2015. Published by ABBS Editorial Office in association with Oxford University Press on behalf of the Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences.

  20. The mitochondrial genome of Dastarcus helophoroides (Coleoptera: Bothrideridae) and related phylogenetic analyses.

    Science.gov (United States)

    Zhang, Zhengqing; Wang, Xiaoji; Li, Rongzhou; Guo, Ruijian; Zhang, Wei; Song, Wang; Hao, Chunfeng; Wang, Huapeng; Li, Menglou

    2015-04-10

    The complete mitochondrial genome of Dastarcus helophoroides (Coleoptera: Bothrideridae) which consists of 13 PCGs, 22 tRNA genes, two rRNA genes and a non-coding region (D-loop), is sequenced for its nucleotide sequence of 15,878 bp (GenBank: KF811054.1). The genome has a typical gene order which is identical to other Coleoptera species. Except for COI gene generally starts with non-canonical initial codon, all protein-coding genes start with ATN codon and terminate with the stop codon TA(A) or TAG. The secondary structure of rrnL and rrnS consists of 48 helices (contains four newly proposed helices) and 35 helices (contains two newly proposed helices) respectively. All 22 tRNAs in D. helophoroides are predicted to fold into typical cloverleaf secondary structure, except trnS1 (AGN), in which the dihydrouracil arm (DHU arm) could not form stable stem-loop structure. Thirteen protein-coding genes (nucleotide dataset and nucleic acid dataset) of the available species (29 taxa) have been used to infer the phylogenetic relationships among these orders. Tenebrionoidea and Cucujoidea form a sister group, and D. helophoroides is classified into Cucujoidea (Bothrideridae). The study first research on the phylogenetic analyses involving to the D. helophoroides mitogenome, and the results strongly bolster the current morphology-based hypothesis. Copyright © 2014 Elsevier B.V. All rights reserved.

  1. ESPECIES DE DRYOPHTHORINAE (COLEOPTERA: CURCULIONIDAE ASOCIADAS A PLÁTANO Y BANANO (Musa spp. EN COLOMBIA

    Directory of Open Access Journals (Sweden)

    SEPULVEDA-CANO PAULA

    2009-08-01

    Full Text Available RESUMEN

    Se presenta una sinopsis de los escarabajos de la subfamilia Dryophthorinae (Coleoptera: Curculionidae asociados a cultivos de plátano y banano en Colombia. Adicionalmente se ofrecen claves ilustradas para las especies del país. Se registran seis especies asociadas a dichos cultivos: Cosmopolites sordidus (Germar, 1824, Metamasius hemipterus (Linnaeus, 1758, Metamasius hebetatus (Gyllenhal, 1838, Metamasius submaculatus Champion, 1910, Rhyncophorus palmarum (Linnaeus, 1758 y Polytus mellerborgii (Boheman, 1838.

    Palabras clave: picudos, plátano, banano, Polytus, Colombia.

    ABSTRACT

    This synopsis is about beetle’s subfamily Dryophthorinae (Coleoptera: Curculionidae associated to plantain and banana crops. Additionally keys illustrated for the species of the country are offered. Six species associated to these cultures are registered: Cosmopolites sordidus (Germar, 1824, Metamasius hemipterus (Linnaeus, 1758, Metamasius hebetatus (Gyllenhal, 1838, Metamasius submaculatus Champion, 1910, Rhyncophorus palmarum (Linnaeus, 1758 y Polytus mellerborgii (Boheman, 1838.

    Key words: weevils, plantain, banana, Polytus, Colombia.

  2. Ophiostoma species (Ascomycetes: Ophiostomatales) associated with bark beetles (Coleoptera: Scolytinae) colonizing Pinus radiata in northern Spain.

    Science.gov (United States)

    Romón, Pedro; Zhou, XuDong; Iturrondobeitia, Juan Carlos; Wingfield, Michael J; Goldarazena, Arturo

    2007-06-01

    Bark beetles (Coleoptera: Scolytinae) are known to be associated with fungi, especially species of Ophiostoma sensu lato and Ceratocystis. However, very little is known about these fungi in Spain. In this study, we examined the fungi associated with 13 bark beetle species and one weevil (Coleoptera: Entiminae) infesting Pinus radiata in the Basque Country of northern Spain. This study included an examination of 1323 bark beetles or their galleries in P. radiata. Isolations yielded a total of 920 cultures, which included 16 species of Ophiostoma sensu lato or their asexual states. These 16 species included 69 associations between fungi and bark beetles and weevils that have not previously been recorded. The most commonly encountered fungal associates of the bark beetles were Ophiostoma ips, Leptographium guttulatum, Ophiostoma stenoceras, and Ophiostoma piceae. In most cases, the niche of colonization had a significant effect on the abundance and composition of colonizing fungi. This confirms that resource overlap between species is reduced by partial spatial segregation. Interaction between niche and time seldom had a significant effect, which suggests that spatial colonization patterns are rarely flexible throughout timber degradation. The differences in common associates among the bark beetle species could be linked to the different niches that these beetles occupy.

  3. Complete mitochondrial genome of the seven-spotted lady beetle, Coccinella septempunctata (Coleoptera: Coccinellidae).

    Science.gov (United States)

    Kim, Min Jee; Wan, Xinlong; Kim, Iksoo

    2012-06-01

    The complete mitochondrial genome (mitogenome) of the seven-spotted lady beetle, Coccinella septempunctata (Coleoptera: Coccinellidae), which is one of the best known insects capable of predation, is described with an emphasis on the noteworthy composition of the A+T-rich region. The C. septempunctata genome consists of 2 rRNAs, 22 tRNAs, 13 protein-coding genes, and 1 control region, designated as the A+T-rich region in insects. Along with an unusually long A+T-rich region (4469 bp), the 18,965-bp long C. septempunctata mitogenome was the largest in Coleoptera. The A+T-rich region is composed of a 2214-bp long non-repeat region composed of 80.17% A/T nucleotides and a 2256-bp long repeat region composed of 65.71% A/T nucleotides. The repeat region harbors 32 identical 70-bp long tandem repeats plus one 15-bp long incomplete first repeat. These repeat sequences may possibly have been caused by slipped-strand mispairing and unequal crossing-over events during DNA replication.

  4. Penghambatan aktivitas peneluran kumbang kacang hijau Callosobruchus Chinensis L. (Coleoptera: Bruchidae oleh extrak sepuluh spesies tumbuhan

    Directory of Open Access Journals (Sweden)

    Dadang Dadang

    2017-02-01

    Full Text Available Oviposition Deterrence of Bean Weevil, Callosobruchus chinensis L.(Coleoptera: Bruchidae Treated with Ten Plant Extracts. Pest and Diseases attack agricultural products not only in the field but also in storehouse. Their attack causes decreasing both quantity and quality of stored materials. One of important stored product insect pests is Callosobruchus chinensis L. (Coleoptera: Bruchidae. Till now the effective strategy to control this insect pest is chemical control by using synthetic insecticides. The improper use synthetic insecticides causes some undesirable effects, so alternative strategist should be searched to controls insect pests in storehouse. One of the alternatives is by using plant materials as insect pests control agent. The aim of this study was to find out the oviposition deterrence of C. chinensis treated with ten plant which were extracted with methanol, hexane and ether. Oviposition deterrence was evaluated by choice and no-choice methods at 1,3 and 5% of extract concentration. Extract of Acorus calamus (methanol, A.calamus (hexane, A. calamus (ether, Illicium verum (ether, Pogostemon calbin (hexane, P. cablin (ether, Vetiveria zizanioides (hexane, and V. zizanioides (ether were able to deter ovipostion activity of C. chinensis by more than 90% of deterrence. Further study should be conducted to isolate and identify the active compound and to make botanical insecticide formulation for practical use as a commercial product.

  5. ESCARABAJOS TIGRE (COLEOPTERA: CICINDELIDAE DEL MUSEO ENTOMOLÓGICO FRANCISCO LUÍS GALLEGO: NUEVOS REGISTROS PARA DEPARTAMENTOS DE COLOMBIA TIGER BEETLES (COLEOPTERA: CICINDELIDAE AT THE ENTOMOLOGICAL MUSEUM FRANCISCO LUÍS GALLEGO: NEW RECORDS

    Directory of Open Access Journals (Sweden)

    Manuel Alejandro Ramírez Mora

    2008-06-01

    Full Text Available Se registran por primera vez las especies de escarabajos tigre (Coleoptera: Cicindelidae presentes en el Museo Entomológico Francisco Luis Gallego (MEFLG. Se identificaron 167 especimenes distribuidos en ocho géneros y 27 especies, se reportan 24 nuevos registros para diferentes departamentos de Colombia. Se señalan aspectos importantes de la taxonomía y sistemática del grupo. Además, se presentan comentarios biológicos y de distribución de las especies.Tiger beetles (Coleoptera: Cicindelidae species at the Museo Entomológico Francisco Luis Gallego (MEFLG are registered by first time. 167 specimens in 8 genus and 27 species were identified, 24 new records for different Colombian states are reported. Some important aspects of the group’s taxonomy and systematic are pointed. Additionally, species’ biological and distributional comments are presented.

  6. The external and internal structures of Amphizoa davidi Lucas (Coleoptera, Amphizoidae), using X-ray phase contrast microtomography.

    Science.gov (United States)

    Li, Dee; Zhang, Kai; Li, Xiaoyan; Zhu, Peiping; Xu, Caifeng; Wu, Ziyu; Zhou, Hongzhang

    2015-05-27

    The Chinese endemic water beetle Amphizoa davidi Lucas, is a rare and endangered species belonging to the monotypic family Amphizoidae (Coleoptera: Adephaga). A study of the external and internal structures of A. davidi is here presented, by using X-ray phase contrast tomography and light microscopy. Morphological details and three dimensional (3D) structures of this species are provided: skeletons, muscles, reproductive organs of male and female, nervous system, alimentary canal and pygidial gland. The reproductive organs of females are compared in two different developmental phases (ages): before copulation without mature ovaries and after copulation with mature ovaries. Such detailed 3D tomographic study based on micro-CT technology may promote our understanding of the detailed morphology in Amphizoidae and Coleoptera in general.

  7. Coleoptera (Insecta) Takımına Bağlı Böceklerin Filogenisi

    OpenAIRE

    GÜLPERÇİN, Nilay

    2013-01-01

    Filogeni çeşitli organizmalar arasındaki evrimsel akrabalık ilişkilerini ortaya koymaktadır. Bir grup organizmanın filogenisi o grup fertlerinin geçmişleri toplamına eşittir. Coleoptera takımına bağlı böceklerin filogenisi hem moleküler hem de morfolojik verilere dayalı olarak bilgi eksikliği nedeniyle tartışılmaktadır. Bu veri eksikliği genellikle biyolojik ve evrimsel nedenlere bağlıdır. Bu çalışmada Coleoptera takımına bağlı böceklerin filogenisinin ortaya konmasına yönelik bilgiler derlen...

  8. Peculiarities of the imago Coleoptera (Insecta groups overwintering in various substrata of the Reserve «Galichya Gora»

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    Mikhail N. Tsurikov

    2016-05-01

    Full Text Available During the 1997–2006 and 2010–2011winter seasons, in the area of Morozova Gora (the nature reserve "Galichya Gora", in Russia, 1200 samples of various substrata were taken, most of which were 4500 cm3 in volume. In total, 41,854 specimens of 690 species belonging to 52 Coleoptera families were registered at overwintering sites. The analysis of the peculiarities of imago Coleoptera groups in the major winter habitats showed that in most of the investigated substrata representatives of the Staphylinidae family prevailed both in terms of species diversity and number. It is only under the bark of trees and in deadwood that Carabidae are the most numerous, whereas Latridiidae are prevalent in tinder fungi. Turf has the maximal species saturation during the winter season (the highest percentage of species referring to 18 families was registered here, as well as plant litter (10 families, with turf being the preference of 8 families richest in species diversity. The imagos of a number of families relatively rich in species – Cantharidae, Malachiidae, Melandryidae, Mordellidae, Oedemeridae, Meloidae, Scraptiidae and Anthribidae – were not found at overwintering sites, which is explained by the preimaginal overwintering of most representatives of the abovementioned families. It was shown that in substrata which are the least suitable for the overwintering of the imago of most Coleoptera species, the highest percentage of the predominant species was registered since more accessible substrata are used as overwintering sites by the same species from different habitats, which decreases the concentration of imago beetles of certain species there. A study of the peculiarities of species distribution (with no less than 30 specimens among overwintering sites showed that the largest number of stenotopic species was registered in droppings (9 species. Then follow the substrata (in decreasing order: turf (5, hay (grass sward, haymow, meadow (4, decomposing

  9. Nucleotide substitution rates for the full set of mitochondrial protein-coding genes in Coleoptera.

    Science.gov (United States)

    Pons, Joan; Ribera, Ignacio; Bertranpetit, Jaume; Balke, Michael

    2010-08-01

    The ages of cladogenetic events in Coleoptera are frequently estimated with mitochondrial protein-coding genes (MPCGs) and the "standard" mitochondrial nucleotide substitution rate for arthropods. This rate has been used for different mitochondrial gene combinations and time scales despite it was estimated on short mitochondrial sequences from few comparisons of close related species. These shortcomings may cause greater impact at deep phylogenetic levels as errors in rates and ages increase with branch lengths. We use the full set of MPCGs of 15 species of beetles (two of them newly sequenced here) to estimate the nucleotide evolutionary rates in a reconstructed phylogeny among suborders, paying special attention to the effect of data partitioning and model choices on these estimations. The optimal strategy for nucleotide data, as measured with Bayes factors, was partitioning by codon position. This retrieved Adephaga as a sister group to Myxophaga with strong support (expected-likelihood weights test 0.94-1) and both sisters to Polyphaga, in contradiction with the most currently accepted views. The hypothesis of Archostemata being sister to the remaining Coleoptera, which is in agreement with morphology, was increasingly supported when third codon sites were recoded or completely removed, sequences were analyzed as AA, and heterogeneous models were implemented but the support levels remained low. Nucleotide substitution rates were strongly affected by the choice of data partitioning (codon position versus individual genes), with up to sixfold levels of variation, whereas differences in the molecular clock algorithm produced changes of only about 20%. The global mitochondrial protein coding rate using codon partitioning and an estimated age of 250 million years (MY) for the origin of the Coleoptera was 1.34% per branch per MY, which closely matches the 'standard' clock of 1.15% per MY. The estimation of the rates on alternative topologies gave similar results

  10. Especies de Megacerus (Coleoptera: Bruchidae y sus plantas hospederas en Yucatán Megacerus species (Coleoptera: Bruchidae and their host plants in Yucatán

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    Enrique Reyes

    2009-12-01

    Full Text Available Se registra la incidencia de Megacerus (Coleoptera: Bruchidae en semillas de 7 especies de Convolvulaceae de 6 sitios al norte de Yucatán. Las semillas de Ipomoea crinicalyx, I. hederifolia, I. nil, I. triloba, Jacquemontia penthanta, Merremia aegyptia y M. cissoides recolectadas en etapa de dispersión fueron colocadas en sobres limpios de papel y puestas en condiciones de laboratorio hasta la emergencia de los brúquidos. Se obtuvieron 1111 coleópteros pertenecientes a 5 especies: Megacerus (Megacerus cubiculus, M. (M. porosus, Megacerus (M. sp., M. (M. tricolor, y M. (Serratibruchus cubiciformis. Las semillas de I. crinicalyx, M. aegyptia y M. cissoides fueron infestadas principalmente por M. (M. porosus, las de I. hederifolia e I. triloba por M. (M. cubiculus y las de I. nil por M. (M. tricolor. Todos los individuos de Megacerus (M. sp., fueron encontrados en semillas de J. penthanta. En el nivel génerico de hospedero se encontró que las semillas de Ipomoea fueron infestadas principalmente por M. (M. cubiculus y las de Merremia por M. (M. porosus. Estos resultados amplían el rango de plantas hospederas registrado para las especies de Megacerus y resaltan la estrecha asociación que existe entre un linaje de depredadores de semillas Bruchidae y plantas de la familia Convolvulaceae.Seed-attacking by Megacerus (Coleoptera: Bruchidae is reported for 7 Convolvulaceae species from 6 sites at the North of Yucatan. Seeds of Ipomoea crinicalyx, I. hederifolia, I. nil, I. triloba, Jacquemontia penthanta, Merremia aegyptia and M. cissoides were collected and placed in clean envelopes under laboratory conditions to collect all bruchids emerged from seeds. A total of 1111 coleopterans were hatched from seeds, and 5 taxa were identify: Megacerus (Megacerus cubiculus, M. (M. porosus, Megacerus (M. sp., M. (M. tricolor, and M. (Serratibruchus cubiciformis. Seeds of I. crinicalyx, M. aegyptia and M. cissoides were attacked mainly by M. (M. porosus; I

  11. Cerambycidae (Insecta: Coleoptera) of Quixadá, Ceará State, Brazil: new records and new species.

    Science.gov (United States)

    Nascimento, Francisco E De L; Bravo, Freddy; Monnè, Miguel A

    2016-09-06

    A checklist of longhorn beetles (Coleoptera, Cerambycidae) of Quixadá County, Ceará State, Brazil is presented. Fifty-six specimens were examined and 32 species were identified, distributed in 29 genera, 19 tribes and two subfamilies. Fifteen species are new distributional records for Ceará State. Nealcidion latipenne (Bates, 1863) is recorded by the first time in Caatinga Biome. Lathroeus immaculatus sp. nov. (Acanthocinini, Lamiinae) is described and figured.

  12. The lectotype of Goliathus drurii Westwood, 1837 (Coleoptera: Scarabaeidae: Cetoniinae) in the Macleay Museum, University of Sydney, Australia.

    Science.gov (United States)

    Blackburn, Robert

    2016-09-02

    The lectotype of Goliathus drurii Westwood (Coleoptera: Scarabaeidae: Cetoniinae) has been located to the Macleay Museum, University of Sydney, Australia. Collected in 1775, this specimen represents the second species of Goliathus to be illustrated in European literature, however eluding a proper species description until 1837. This important specimen, overlooked by previous curators, represents another portion of the Dru Drury collections purchased by Alexander McLeay now held in the Macleay Museum.

  13. Alphus marinonii sp. nov., nova espécie para o Peru e Brasil (Coleoptera, Cerambycidae, Lamiinae

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    Diego de Santana Souza

    2013-03-01

    Full Text Available Alphus marinonii sp. nov., new species from Peru and Brazil (Coleoptera, Cerambycidae, Lamiinae. A new species of Alphus, A. marinonii sp. nov., from Peru and Brazil (Rondônia is described. Key to identification and pictures for the four species of the genus are provided. Notes on distribution of A. tuberosus are included, with a new record for Peru and Brazil (Goiás and Mato Grosso do Sul.

  14. A new species of Falsocaenia Pic, 1922 from Amazonian Rainforest (Coleoptera: Lycidae) with an updated key to the species.

    Science.gov (United States)

    Ferreira, Vinicius S

    2016-04-25

    While searching for Calochromini (Coleoptera: Lycidae) specimens in entomological collections and identifying other Lycidae, a new species of Falsocaenia Pic, 1922 was found in the collection of Instituto Nacional de Pesquisas da Amazônia (INPA). This genus is one of the smallest in the tribe Calopterini with 13 known species, two of which were recently described by Bocákova et al. (2012) in their revision of the genus, and can be found in Central and South America.

  15. The response of ground beetles (Coleoptera: Carabidae) to selection cutting in a South Carolina bottomland hardwood forest

    Science.gov (United States)

    Michael D. Ulyshen; James L. Hanula; Scott Horn; John C. Kilgo; Christopher E. Moorman

    2005-01-01

    We compared the response of ground beetles (Coleoptera: Carabidae) to the creation of canopy gaps of different size (0.13, 0.26, and 0.50 ha) and age (1 and 7 years) in a bottomland hardwood forest (South Carolina, USA). Samples were collected four times in 2001 by malaise and pitfall traps placed at the center and edge of each gap, and 50 m into the surrounding forest...

  16. Effects of starvation and mating status on the activity of the flea beetle, Phyllotreta nemorum (Coleoptera: Chrysomelidae)

    OpenAIRE

    Oku, K.; Vermeer, K.M.C.A.; Verbaarschot, P.; Jong, de, P.W.

    2010-01-01

    Flea beetles are characterized by their tendency to jump. They can also fly. First, the effects of starvation on flight activity in the flea beetle, Phyllotreta nemorum L. (Coleoptera: Chrysomelidae) were determined. After starving P. nemorum for five days a greater number of individuals of both sexes flew than when fed continuously for the same period. In addition, the effect of the mating status of females of P. nemorum on their movement was determined. Mated females were more active than v...

  17. The genus Anthia Weber in the Republic of South Africa, Identification, distribution, biogeography, and behavior (Coleoptera, Carabidae)

    OpenAIRE

    Jonathan Mawdsley; Terry Erwin; Hendrik Sithole; James Mawdsley; Alice Mawdsley

    2011-01-01

    A key is presented for the identification of the four species of Anthia Weber (Coleoptera: Carabidae) recorded from the Republic of South Africa: Anthia cinctipennis Lequien, Anthia circumscripta Klug, Anthia maxillosa (Fabricius), and Anthia thoracica (Thunberg). For each of these species, illustrations are provided of adult beetles of both sexes as well as illustrations of male reproductive structures, morphological redescriptions, discussions of morphological variation, annual activity his...

  18. The case of Darwinylus marcosi (Insecta: Coleoptera: Oedemeridae): A Cretaceous shift from a gymnosperm to an angiosperm pollinator mutualism

    OpenAIRE

    Peris, David; Labandeira, Conrad C.; Pe?alver, Enrique; Delcl?s, Xavier; Barr?n, Eduardo; P?rez-de la Fuente, Ricardo

    2017-01-01

    ABSTRACT Abundant gymnosperm pollen grains associated with the oedemerid beetle Darwinylus marcosi Peris, 2016 were found in Early Cretaceous amber from Spain. This discovery provides confirmatory evidence for a pollination mutualism during the mid Mesozoic for the family Oedemeridae (Coleoptera), which today is known to pollinate only angiosperms. As a result, this new record documents a lateral host-plant transfer from an earlier gymnosperm to a later angiosperm, indicating that pollination...

  19. Communication chimique et compétition lors de la reproduction chez Gastrophysa viridula (Coleoptera: Chrysomelidae).

    OpenAIRE

    Vantorre, Thomas A, J-L

    2014-01-01

    Parmi les modes de communication les plus exploités chez les insectes, la communication chimique figure en bonne place. D’ailleurs, la recherche moderne consacrée aux signaux chimiques émis et perçus par les individus d’une même espèce n’a de cesse de se développer depuis plus de 50 ans. A travers ce travail de thèse, nous nous sommes intéressés à ces phéromones associées au comportement sexuel de Gastrophysa viridula (Coleoptera :Chrysomelidae). Nous avons menés, dans ce cadre, plusieurs bio...

  20. DAMAGE CAUSED BY RHYZOPERTHA DOMINICA (FABRICIUS, 1792 (COLEOPTERA: BOSTRICHIDAE IN STORED BRAZIL NUTS

    Directory of Open Access Journals (Sweden)

    E. M. Pires

    2018-02-01

    Full Text Available Rhyzopertha dominica is an insect that attacks several grains and seeds and is considered the main pest found in stored products in Brazil. This insect is classified as an internal primary pest being a borer. It develops effectively in the grain mass due to its adaptability and high biotic potential. The objectives of this study were to verify if R. dominica adults and larvae feed on Brazil nuts, and also to characterize the damage caused by this Coleoptera. The injuries inflicted by this insect appear as scratched surfaces, which evolve into deep holes, in almonds. As it has the ability to cause considerable damage with consequent losses in the market value of the product, this beetle can be included among the many pests of this product, and even be considered an internal primary pest of the stored Bertholletia excelsa.

  1. Review of the Madagascan Orphninae (Coleoptera: Scarabaeidae) with a revision of the genus Triodontus Westwood.

    Science.gov (United States)

    Frolov, Andrey V; Montreuil, Olivier; Akhmetova, Lilia A

    2016-12-13

    The subfamily Orphninae (Coleoptera: Scarabaeidae) is reviewed from Madagascar. A total of four genera and 39 species were found, all being endemic to the island. The following five new species are described: Triodontus ankarafantsikae, Triodontus lemoulti, Triodontus viettei, Triodontus fairmairei, and Triodontus inexpectatus. The following new synonymies are proposed: Orphnus nigrita Brancsik, 1893 is synonym of Triodontus hova (Fairmaire, 1868); Triodontus occidentalis Paulian, 1977 and Orphnus obsoletus Brancsik, 1893 are synonyms of Triodontus nitidulus (Guérin-Méneville, 1844); Triodontus vadoni Paulian, 1977 and Triodontus perrotorum Paulian, 1977 are synonyms of Triodontus owas Westwood, 1852. Lectotypes are designated for the following names: Orphnus nitidulus Guérin-Méneville, 1844 and Orphnidius modestus Benderitter, 1914. Keys, descriptions, illustrations of habitus and male genitalia, and distributional records maps are given for all species.

  2. New species and records of pollen and sap beetles for Iran (Coleoptera: Kateretidae, Nitidulidae).

    Science.gov (United States)

    Audisio, Paolo; Cline, Andrew R; Lasoń, Andrzej; Jelínek, Josef; Sabatelli, Simone; Serri, Sayeh

    2017-01-09

    During recent expeditions in North and Southwest Iran, 10 species of Kateretidae and Nitidulidae (Coleoptera) were found. One species of Kateretidae, Brachyleptus bicoloratus Reitter, 1896, and three nitidulid species, Afrogethes schilskyi (Reitter, 1897), Stachygethes khnzoriani (Kirejtshuk, 1979), and S. nigerrimus (Rosenhauer, 1856) are recorded for the first time for the Iranian fauna (the latter is also a new record for Asia). Thymogethes ahriman (Jelínek, 1981) is herein resurrected to species rank, and two species, Thymogethes kassites sp. nov. and T. khorasanicus sp. nov., are described as new. An updated key to the known Near East and Afghan species of the genus Thymogethes Audisio & Cline, 2009 is also provided. Available and recently collected biological and distributional data, as well as short taxonomic comments, are given for the discussed species.

  3. Discovery of mycangia and the associated xylose-fermenting yeasts in stag beetles (Coleoptera: Lucanidae)

    Science.gov (United States)

    Tanahashi, Masahiko; Kubota, Kôhei; Matsushita, Norihisa; Togashi, Katsumi

    2010-03-01

    Most wood-feeding insects need an association with microbes to utilize wood as food, and some have special organs to store and convey the microbes. We report here the discovery of the microbe-storage organ (mycangium) in stag beetles (Coleoptera: Lucanidae), which develop in decayed wood. The mycangium, which was discovered in the abdomen, is present in all adult females of 22 lucanid species examined in this study, but absent in adult males. By contrast, adult insects of both sexes of selected Passalidae, Geotrupidae, and Scarabaeidae, which are related to Lucanidae, lacked mycangia similar to those of the lucanid species. Yeast-like microbes were isolated from the mycangium of five lucanid species. DNA sequence analyses indicate that the microbes are closely related to the xylose-fermenting yeasts Pichia stipitis, Pichia segobiensis, or Pichia sp. known from the gut of a passalid species.

  4. Aranciocystis muskarensis n. gen., n. sp., a neogregarine pathogen of the Anisoplia segetum Herbst (Coleoptera: Scarabaeidae).

    Science.gov (United States)

    Bekircan, Çağrı; Cüce, Mustafa; Baki, Hilal; Tosun, Onur

    2017-03-01

    In this study, a new genus and species of neogregarine which is a pathogen of Anisoplia segetum Herbst (Coleoptera: Scarabaeidae), is described. The adult beetles of A. segetum were collected from Nevşehir, Turkey and neogregarine infection rates were determined as 18.52%. The Giemsa-stained mature oocysts are lemon-shaped and measured 9.34±0.82μm in length and 5.77±0.77μm in width. The oocyst wall surface of the mature oocysts is similar to an osage orange (tuberculate). Morphological, ultrastructural and molecular features indicate that the previously undescribed neogregarine is dissimilar to all known neogregarine taxa and represents the first record from Anisoplia segetum and is named here as Aranciocystis muskarensis n. gen., n. sp. Copyright © 2017 Elsevier Inc. All rights reserved.

  5. Taxonomy of the genus Chlamisus Rafinesque (Coleoptera: Chrysomelidae) from China with description of three new species.

    Science.gov (United States)

    Su, Liang; Zhou, Hong-Zhang

    2017-02-20

    This study is focused on the Chinese fauna of the leaf beetle genus Chlamisus Rafinesque, 1815 (Coleoptera: Chrysomelidae) and three new species are described, namely C. corollinotatus sp. nov. from Guangxi, and C. lycocephalus sp. nov. and C. varipennatus sp. nov. from Yunnan. The number of the Chinese Chlamisus is thus increased to 66. Twenty-five species are redescribed with the emphasis mainly on the genital morphological characters that are observed and reported for the first time for most species of the genus from China. Color plates and line drawings of general habitus and other detailed structures are also provided. Chinese fauna of the genus is keyed to species. Type specimens of the new species and other materials included in this study are deposited in the Institute of Zoology, the Chinese Academy of Sciences, Beijing.

  6. Five new species of the genus Philydrodes Bernhauer, 1929 from China (Coleoptera: Staphylinidae: Omaliinae: Anthophagini).

    Science.gov (United States)

    Shavrin, Alexey V

    2017-02-09

    Five new species of the subgenus Minyphilydrodes of the genus Philydrodes Bernhauer, 1929 (Coleoptera: Staphylinidae: Omaliinae: Anthophagini) from China are described and illustrated: Ph. tridentatus sp.n. (Hubei, Gansu, Shaanxi and Sichuan), Ph. tibetanus sp.n. (Yunnan), Ph. reticulatus sp.n. (Shaanxi), Ph. wrasei sp.n. (Sichuan) and Ph. michaeli sp.n. (Sichuan). The morphological features of Philydrodes, differences between Japanese and Chinese species, the relations of the genus with other taxa of the tribe Anthophagini Thomson, 1859 are briefly discussed. A key to the species of the genus from China and a distribution map are provided. The genus Philydrodes is recorded from continental Asia and China for the first time.

  7. A preliminary study on the phylogeny of the family Phengodidae (Insecta: Coleoptera).

    Science.gov (United States)

    Zaragoza-Caballero, Santiago; Zurita-García, Martín Leonel

    2015-04-17

    A morphology-based phylogenetic analysis of the family Phengodidae (Coleoptera) is given. Thirty-six terminals, six genera and 60 morphological characters are included. To test the monophyly of phengodid subfamilies the terminals that belong to superfamily Elateroidea Drilocephalus Pic (Dascillidae), Pterotus LeConte (incertae sedis), Vesperelater Costa (Elateridae), Photinus Laporte (Lampyridae), Pseudotelegeusis Wittmer and Telegeusis Horn (Telegeusidae) are used as outgroups, with the remaining 30 terminals corresponding to 26 specific and four generic levels. The matrix was analyzed under a parsimony criterion under a heuristic search performed in TNT v. 2.0. One parsimonious tree was obtained. In this study two principal groups are recognized in the family Phengodidae. This study suggests for the first time a close relationship between the Telegeusidae and the subfamily Penicillophorinae.

  8. Faunistic Studies on Species of Buprestidae, Cerambycidae and Curculionidae (Coleoptera in Karabük Province

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    Göksel Tozlu

    2013-04-01

    Full Text Available Aim of this study is to determine fauna of the families of Buprestidae, Cerambycidae and Curculionidae (Coleoptera in the province of Karabük. Field investigations were conducted in central Province, Eskipazar, Ovacık, Safranbolu, and Yenice districts in 2008 and 2009. Totally 40 species and subspecies were determined belonging to Buprestidae (11 species, Cerambycidae (20 and Curculionidae (9 families in this study. Of the species, Chalcophora mariana (Linnaeus, Anthaxia nigrojubata nigrojubata Roubal, Buprestis haemorrhoidalis araratica Marseul, Buprestis octoguttata Linnaeus, Prionus coriarius (Linnaeus, Rhagium inquisitor (Linnaeus, Chlorophorus robustior Pic, Purpuricenus budensis (Gotz, Larinus latus (Herbst and Larinus syriacus Gyllenhal are having higher population than others. In this study, while nearly all species belonging to Buprestidae and Cerambycidae are forest pest, species of the Curculionidae except for Pissodes piceae (Illiger are important potential biological control agents for some weeds in the tribe Cardueae (Asteraceae.

  9. Ancient hastisetae of Cretaceous carrion beetles (Coleoptera: Dermestidae) in Myanmar amber.

    Science.gov (United States)

    Poinar, George; Poinar, Roberta

    2016-11-01

    Hastisetae are extremely elaborate and intricate insect setae that occur solely on dermestid larvae (Coleoptera: Dermestidae). The present work characterizes hastisetae found in mid-Cretaceous amber from Myanmar and compares them to hastisetae found on extant dermestid larvae. The presence of hastisetae in Myanmar amber shows that lineages of dermestid beetles had already developed hastisetae by the mid-Cretaceous and their presence allows us to follow the evolutionary development of this particular arthropod structure over the past 100 million years. Hastisetae attached to a parasitic wasp in the same piece of amber indicates that ancient dermestid beetles used their hastisetae for defense, similar to their function today. Copyright © 2016 Elsevier Ltd. All rights reserved.

  10. Fumigation Toxicity of Essential Oil Monoterpenes to Callosobruchus maculatus (Coleoptera: Chrysomelidae: Bruchinae)

    OpenAIRE

    Olufunmilayo E. Ajayi; Arthur G. Appel; Henry Y. Fadamiro

    2014-01-01

    The fumigant toxicity of eight essential oil components, 1-8-cineole, carvacrol, eugenol, (−)-menthone, (−)-linalool, S-(−)-limonene, (−)-β-pinene, and (+)-α-pinene, was tested against the cowpea weevil, Callosobruchus maculatus (Fabricius) (Coleoptera: Chrysomelidae), at 0.25–60 µL/L air doses. 1-8-Cineole, carvacrol, and eugenol caused complete adult mortality at 10 µL/L air 24 h after treatment. 1-8-Cineole and carvacrol were the most toxic with LD50 values of 0.24 and 0.6 µL/L air at 24 h...

  11. Carpophilus zeaphilus, a new sap beetle species acclimatized in Italy (Coleoptera: Nitidulidae

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    Paolo Audisio

    2015-06-01

    Full Text Available Carpophilus zeaphilus Dobson, 1969 (Coleoptera, Nitidulidae, Carpophilinae is an Afrotropical species that has become widespread in Sub-Saharan Africa, the Arabian Peninsula, and southern Mediterranean areas in recent years. The species was first recorded from Europe in Portugal and Spain nearly thirty years ago, and it was later intercepted in Sicily near Trapani in 1991. A few specimens of this species were collected in April, 2015 in a sparsely forested area near Rome, which suggests a recent acclimatization into peninsular Italy. Specimens were taken on flowering trees of Prunus spinosa L. (Rosaceae, an unusual occurrence for most introduced species of Carpophilinae that are normally associated with rotten fruit and other decomposing vegetal matter.

  12. A review of geographical distribution of the stag beetles in Mediterranean countries (Coleoptera: Lucanidae

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    Luca Bartolozzi

    2016-12-01

    Full Text Available A list of recent records of stag beetles (Coleoptera Lucanidae species occurring in Mediterranean countries is given to improve the current knowledge on their geographic distribution. The saproxylic larvae of the stag beetles are very important for forest ecosystems, and some lucanid species are included in the IUCN Red List and in several national protection lists. However, the knowledge on their distribution is rather heterogeneous for several countries and taxa because the distribution records are scattered in poorly known papers or hidden in Museum or private collections. This paper is an attempt to better understanding the distribution of the stag beetle species across the Mediterranean region, to facilitate research and conservation efforts.

  13. ALGUNS ASPECTOS DA BIOLOGIA DO SERRADOR, Oncideres dejeani THOMPSON, 1868 (COLEOPTERA : CERAMBYCIDAE

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    Adriane Brill Thum

    1996-12-01

    Full Text Available Realizou-se este trabalho objetivando determinar alguns parâmetros comparativos da biologia do serrador, Oncideres dejeani Thomson,1868 (Coleoptera: Cerambycidae sobre aroeira preta, Lithraea brasiliensis L. March (Anacardiaceae e pau de leite, Sebastiania brasiliensis Spreng. (Euphorbiaceae, em São Sepé - RS, durante o período 1989-1990. Mediu-se o comprimento e a largura do orifício de emergência dos adultos do serrador e, o comprimento e volume da galeria larval-pupal. O orifício de emergência do adulto de O. dejeani apresenta formato ovalado em pau de leite e quase circular em aroeira preta. A larva se desenvolve em galhos de vários diâmetros, independente da espécie de planta hospedeira, consome igual volume de madeira e constroi galeria de comprimento similar nas duas espécies botânicas estudadas

  14. The tiger beetles (Coleoptera: Carabidae, Cicindelinae) of Angola: a descriptive catalogue and designation of neotypes.

    Science.gov (United States)

    Serrano, Artur R M; Capela, Rúben A

    2013-11-01

    An annotated catalogue of the species and subspecies of tiger beetles (Coleoptera: Carabidae, Cicindelinae) hitherto known from Angola is given. A total of 89 forms (74 species and 15 subspecies) is recorded from this southwestern country of Africa. Within this assemblage there are 31 endemic forms (33.3%). Some species are represented by only the holotype specimen (some without locality) or the type series. Others were recorded based on a single specimen. Records for six species previously unknow from Angola are given: Foveodromica sp. n. 1, Foveodromica sp. n. 2, Ophryodera rufomarginata bradshawi Péringuey, 1888, Elliptica muata parallelestriata (W. Horn, 1923), Lophyra differens (W. Horn, 1892) and Myriochila jucunda (Péringuey, 1892). A historical review, as well as some considerations on the distribution and conservation status of these beetles in Angola are also presented.

  15. Cellulose digestion inMonochamus marmorator Kby. (Coleoptera: Cerambycidae): Role of acquired fungal enzymes.

    Science.gov (United States)

    Kukor, J J; Martin, M M

    1986-05-01

    Larvae of the balsam fir sawyer,Monochamus marmorator Kby. (Coleoptera, Cerambycidae), contain midgut digestive enzymes active against hemicellulose and cellulose. Cellulases from larvae fed on balsam fir wood infected with the fungus,Trichoderma harzianum Rifai (Deuteromycetes, Moniliales, Moniliaceae), were found to be identical to those of the cellulase complex produced by this fungus when compared using chromatography, electrophoresis, and isofocusing. When larvae are maintained on a fungus-free diet, their midgut fluids lack cellulolytic activity, and they are unable to digest cellulose. Cellulolytic capacity can be restored by feeding the larvae wood permeated by fungi. We conclude that the enzymes which enableM. marmorator larvae to digest cellulose are not produced by the larvae. Instead, the larvae acquire the capacity to digest cellulose by ingesting active fungal cellulases while feeding in fungus-infected wood.

  16. Cellulose digestion in Monochamus marmorator Kby. (coleoptera: Cerambycidae): role of acquired fungal enzymes

    Energy Technology Data Exchange (ETDEWEB)

    Kukol, J.J.; Martin, M.M.

    1986-05-01

    Larvae of the balsam fir sawyer, Monochamus marmorator Kby. (Coleoptera, Cerambycidae), contain midgut digestive enzymes active against hemicellulose and cellulose. Cellulases from larvae fed on balsam fir wood infected with the fungus, Trichoderma harzianum Rifai (Deuteromycetes, Moniliales, Moniliaceae), were found to be identical to those of the cellulase complex produced by this fungus when compared using chromatography, electrophoresis, and isofocusing. When larvae are maintained on a fungusfree diet, their midgut fluids lack cellulolytic activity, and they are unable to digest cellulose. Cellulolytic capacity can be restored by feeding the larvae wood permeated by fungi. We conclude that the enzymes which enable M. marmorator larvae to digest cellulose are not produced by the larvae. Instead, the larvae acquire the capacity to digest cellulose by ingesting active fungal cellulases while feeding in fungus-infected wood.

  17. The impact of dredging of a small lowland river on water beetle fauna (Coleoptera

    Directory of Open Access Journals (Sweden)

    Piotr Dabkowski

    2016-04-01

    Full Text Available Using the example of a regulated stretch of the Krąpiel River (NW Poland, an analysis of the impact of dredging on the aquatic beetle (Coleoptera fauna was made. After dredging the beetle fauna became markedly poorer quantitatively and had lower species diversity. Moreover, the qualitative composition and dominance structure were highly transformed. However, species number and diversity increased rapidly and were restored within just half a year. The structure of the restored fauna was most strongly influenced by vegetation, flow velocity and bottom sediment composition. The first to colonize the river were eurytopic beetles and species typical of small water bodies, which had significant refuges in the form of fish ponds bordering on the river; these species dominated the assemblage throughout the study period. Rheophiles with less dispersal power appeared later, and finally rheobionts, in low numbers but occupying an increasing number of sampling sites. 

  18. Incorporating a Sorghum Habitat for Enhancing Lady Beetles (Coleoptera: Coccinellidae in Cotton

    Directory of Open Access Journals (Sweden)

    P. G. Tillman

    2012-01-01

    Full Text Available Lady beetles (Coleoptera: Coccinellidae prey on insect pests in cotton. The objective of this 2 yr on-farm study was to document the impact of a grain sorghum trap crop on the density of Coccinellidae on nearby cotton. Scymnus spp., Coccinella septempunctata (L., Hippodamia convergens Guérin-Méneville, Harmonia axyridis (Pallas, Coleomegilla maculata (De Geer, Cycloneda munda (Say, and Olla v-nigrum (Mulsant were found in sorghum over both years. Lady beetle compositions in sorghum and cotton and in yellow pyramidal traps were similar. For both years, density of lady beetles generally was higher on cotton with sorghum than on control cotton. Our results indicate that sorghum was a source of lady beetles in cotton, and thus incorporation of a sorghum habitat in farmscapes with cotton has great potential to enhance biocontrol of insect pests in cotton.

  19. Arboreal Coleoptera Associated with Leucosidea sericea (Rosaceae at the Golden Gate Highlands National Park

    Directory of Open Access Journals (Sweden)

    Schalk Louw

    1988-10-01

    Full Text Available An analysis was made of arboreal Coleoptera on Leucosidea sericea from the Golden Gate Highlands National Park in the north-eastern Orange Free State, Republic of South Africa. Five sites were selected from which samples were taken, using a beating technique, at equal intensity, during 13 consecutive months. A total of 117 species representing 35 families were recorded and allocated to four guilds, namely phytophages (47 species, predators (44 species, scavengers (16 species and tourists (10 species. This diversity is attributed to the structural complexity and range of the host plant. The scarcity of a large number of these species is primarily ascribed to a high seasonal turnover rate. Species diversity and numbers of individuals were found to vary between the different study sites and are attributed to the growth stage and condition of the host plant, as well as the effect of sun and shade on activity cycles and the choice of feeding levels.

  20. Significantly higher Carabid beetle (Coleoptera: Carabidae) catch in conventionally than in organically managed Christmas tree plantations

    DEFF Research Database (Denmark)

    Bagge, Søren; Lund, Malthe; Rønn, Regin

    2012-01-01

    managed sites. Carabid beetle abundance and richness did not decline more between two sampling periods at sites with pesticide application than at unamended sites. Apparently, the amount of bare ground, which dominated in the conventionally managed, herbicide treated sites, correlated closely...... trapped carabid beetles (Coleoptera, Carabidae) varied between conventionally and organically managed Caucasian Fir (Abies nordmanniana (Stev.)) plantations, in northern Zealand, Denmark. We recorded significantly higher numbers of carabid beetle specimens and species at conventionally than at organically...... with the number of recorded carabid beetle specimens. Thus we attribute the higher catch at the conventionally managed sites to a higher activity at bare ground due to lack of food and a larger potential for invasion at the bare ground sites of opportunistic species from surrounding arable areas....