Surface swimming behavior of the curculionid Ochetina uniformis Pascoe (Erirhininae, Stenopelmini and Ludovix fasciatus (Gyllenhal (Curculioninae, Erodiscini Comportamento de nado superficial exibido pelos Curculionidae Ochetina uniformis Pascoe (Erirhininae, Stenopelmini e Ludovix fasciatus (Gyllenhal (Curculioninae, Erodiscini

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Wesley Oliveira de Sousa

2007-03-01

Full Text Available The swimming behavior exhibited by specimens of L. fasciatus and O. uniformis was analyzed frame-by-frame with video observation recorded with a digital camera, attached to a stereomicroscope. Adults of O. uniformis, an aquatic insect, swim with all three pairs of legs. During the process of swimming the majority of the abdomen and rostrum remain submerged, part of the fore and hind tibiae remain above the surface, while the mid tibiae remain submerged. The mesothoracic legs, during the power-stroke stage, provide the greatest thrust while the metathoracic legs provide the least forward propulsion. The prothoracic legs, extended forward, help to direct the swimming. The semi-aquatic specie L. fasciatus shows the same swimming style as O. uniformis, that is, with movement of all the three pairs of legs; the mesothoracic legs are responsible for the main propulsion. The insect body remains on the water surface during the process of swimming, while the legs remain submerged. Both species complete a swimming cycle in 0.33 and 0.32 seconds, respectively, with an average speed of 1.38 cm/s and a maximum and minimum swimming duration time of 11.15 and 5.05 minutes, respectively, for L. fasciatus. The swimming behavior exhibited by O. uniformis and L. fasciatus corresponds to the style known as a breast strokelike maneuver. This is the first record of this kind of swimming for both species here observed and increases to seven the number of genera of Curculionidae exhibiting this behavior.O comportamento de nado exibido por indivíduos de L. fasciatus e O. uniformis foi analisado quadro a quadro através de imagens obtidas com o auxílio de uma câmera fotográfica digital com opção de vídeo, acoplada a um estereomicroscópio. Foi demonstrado que O. uniformis, espécie aquática, nada com o auxílio dos três pares de pernas. Durante este processo a maior parte do abdome e rostro localizam-se abaixo da superfície da água, parte das tíbias anteriores e posteriores acima da superfície, enquanto as médias permanecem submersas durante o nado. As pernas metatorácicas, durante a "braçada", impulsionam fracamente o inseto para frente, enquanto que as mesotorácicas são as responsáveis por uma maior propulsão. As pernas protorácicas, estendidas anteriormente, ajudam na orientação do nado. A espécie L. fasciatus, de hábito semi-aquático, apresenta o mesmo estilo de nado como em O. uniformis, também realizado com auxilio dos três pares de pernas, sendo as mesotorácicas, responsáveis pela maior propulsão. O corpo do inseto permanece na superfície da água durante todo o processo, porém as pernas encontram-se mergulhadas. Ambas as espécies, O. uniformis e L. fasciatus, completam um ciclo do nado em cerca de 0,33 e 0,32 segundos, respectivamente, com uma velocidade média de 1,38 cm/s e tempo máximo e mínimo de permanência de nado 11,15 e 5,05 minutos, respectivamente, para L. fasciatus. O comportamento de nado exibido por O. uniformis e L. fasciatus corresponde ao estilo de nado conhecido como manobra semelhante ao nado peito (breast strok-like maneuver. Trata-se do primeiro registro para ambas as espécies elevando para sete o número de gêneros de Curculionidae conhecidos com tal comportamento.

Key to higher taxa of South American weevils based on adult characters (Coleoptera, Curculionoidea Clave de taxones superiores de gorgojos sudamericanos basada en caracteres de los adultos (Coleoptera, Curculionoidea

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ADRIANA E. MARVALDI

2005-03-01

Full Text Available The weevils (Coleoptera: Curculionoidea from South America are currently classified in the following families and subfamilies: 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. In the present contribution we bring a dichotomous key for the identification of seven families and 28 subfamilies of Curculionoidea from South America, and for 21 tribes of the highly heterogeneous subfamilies Curculioninae and Molytinae. These tribes are Curculionini Anthonomini, Ceutorhynchini, Derelomini, Otidocephalini, Erodiscini, Camarotini, Piazorhinini, Prionobrachiini, Smicronychini, Rhamphini and Tychiini, within Curculioninae; and Hylobiini, Pissodini, Conotrachelini, Cleogonini, Sternechini, Pacholenini, Cholini, Petalochilini and Amalactini, within Molytinae. Most of them have been classified as subfamilies in traditional schemes. The key is mainly based on external morphological characters, but also includes data on genitalia, mouth parts and other biological features. Definitions and illustrations of diagnostic characters used in the key are providedLos gorgojos (Coleoptera: Curculionoidea de América del Sur se clasifican actualmente en las siguientes familias y subfamilias: 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

Rhinusa Stephens: a taxonomic revision of the species belonging to the R. tetra and R. bipustulata groups (Coleoptera Curculionidae

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Roberto Caldara

2014-10-01

Full Text Available The species of Rhinusa Stephens, 1829 (Curculionidae, Curculioninae, Mecinini belonging to the R. tetra and R. bipustulata groups are revised. Four of them from Middle East are new to science. The R. bipustulata group includes five species: R. bipustulata (Rossi, 1792; R. pelletieri sp. nov.; R. scrophulariae Caldara, 2009; R. algirica (Brisout de Barneville, 1862; R. emmrichi (Bajtenov, 1979, whereas the R. tetra group includes nine species: R. tetra (Fabricius, 1792; R. verbasci (Rosenschoeld, 1838; R. ensifer sp. nov.; R. moroderi (Reitter, 1906; R. weilli sp. nov.; R. comosa (Rosenschoeld, 1838; R. acifer sp. nov.; R asellus (Gravenhorst, 1807; R. tenuirostris (Stierlin, 1888. The following new synonym is proposed: Rhinusa bipustulata (Rossi, 1792 (= Gymnetron municipale Voss, 1960 syn. nov.. The neotype of Rhynchaenus asellus Gravenhorst, 1807 was designated. Moreover, the following lectotypes are designated: Cionus spilotus Germar, 1821; Gymnetron bipustulatum var. germari Faust, 1889; Gymnetron bodenheimeri Wagner, 1926; Gymnetron cylindrirostre Gyllenhal, 1838; Gymnetron nasutum Rosenschoeld, 1838; Gymnetron plagiatum Gyllenhal, 1838; Gymnetron polonicum Rosenschoeld, 1838; Gymnetron tenuirostre Stierlin, 1888. A key to the species, diagnoses of species groups, descriptions or redescriptions, notes on type specimens, synonymies, comparative notes, distribution, bionomics when available, photographs of habitus and drawings of rostra, terminalia and other useful characters for taxonomy are provided.

Life history and larval morphology of Eurhinus magnificus Gyllenhal (Coleoptera: Curculionidae), a new weevil to the United States

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Ulmer, Bryan J.; Duncan, Rita E.; Prena, Jens; Peña, Jorge E.

2007-01-01

Eurhinus magnificus Gyllenhal has been collected in south Florida, presumably introduced through trade with countries in its native range. Very little information has been published on the biology or taxonomy of this insect. We conducted studies to investigate various aspects of its life history and host plant associations. The pre-imaginal life stages of E. magnificus are described for the first time. Dimensions of the adult, egg, larval, and pupal stages are also provided; head capsule meas...

Molecular and morphological tools to distinguish Scyphophorus acupunctatus Gyllenhal, 1838: a new weevil pest of the endangered Eggers Agave from St Croix, US Virgin Islands

Science.gov (United States)

The Agave Snout Weevil (ASW) or Sisal Weevil, Scyphophorus acupunctatus Gyllenhal, is one of the most destructive pests of agave plants, capable of destroying up to 70% of commercial crops, costing millions of dollars in damage to global industries including tequila, mezcal, perfume, henequen, nardo...

La colección ibero-balear de Meloidae Gyllenhal, 1810 (Coleoptera, Tenebrionoidea del Museu de Ciències Naturals de Barcelona

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Prieto, M.

2016-12-01

Full Text Available The Ibero-Balearic collection of Meloidae Gyllenhal, 1810 (Coleoptera, Tenebrionoidea of the Museu de Ciències Naturals de Barcelona A commented catalogue of the Ibero-Balearic collection of Meloidae Gyllenhal, 1810 housed in the Museu de Ciències Naturals de Barcelona is presented. The studied material consists of 2,129 specimens belonging to 49 of 64 species from the Iberian peninsula and the Balearic Islands. The temporal coverage of the collection extends from the last decades of the nineteenth century to the present time. Revision, documentation, and computerization of the material have been made, resulting in 963 collection records (June 2014. For each lot, the catalogue includes the register number, geographical data, collection date, collector or origin of the collection, and number of specimens. Information about taxonomy and distribution of the species is also given. Chorological novelties are provided, extending the distribution areas for most species. The importance of the collection for the knowledge of the Ibero-Balearic fauna of Meloidae is discussed, particularly concerning the area of Catalonia (northeastern Iberian peninsula as it accounts for 60% of the records. Some rare or particularly interesting species in the collection are highlighted, as are those requiring protection measures in Spain and Catalonia. The catalogue also shows a brief gallery of photographs that includes four type specimens.

A review of the Palaearctic species of Larinus Dejean (Coleoptera: Curculionidae in C. J. Schoenherr collection: nomenclature and lectotype designations

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Levent Gültekin

2015-06-01

Full Text Available The syntypes of 41 species of Larinus Dejean described by L. Gyllenhal and C. H. Boheman, housed at the C. J. Schoenherr collection in the Swedish Museum of Natural History, Stockholm and the Museum of Evolution, Uppsala University, are examined. Lectotypes are designated, a nomenclatural review performed, many previous synonyms confirmed and three new synonyms proposed: Larinus planus (Fabricius, 1792 (= Larinus rusticanus Gyllenhal, 1835 syn. nov.; Larinus carlinae (Olivier, 1807 (= Larinus sulphurifer Boheman, 1843 syn. nov.; Larinus minutus Gyllenhal, 1835 (= Larinus puncticollis Capiomont, 1874 syn. nov.. Colour images for 15 lectotypes are presented.

The life history and immature stages of the weevil Anthonomus monostigma Champion (Coleoptera: Curculiondidae) on Miconia calvescens DC (Melastomataceae)

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Eduardo Chacón-Madrigal; M.Tracy Johnson; Paul. Hanson

2012-01-01

We describe and illustrate the life history and immature stages of Anthonomus monostigma Champion (Curculionidae: Curculioninae: Anthonomini). This weevil is a fruit borer in Miconia calvescens DC (Melastomataceae), a Neotropical tree that is invasive in Pacific islands. The larva has three instars, and development from egg to...

ESPECIES DE DRYOPHTHORINAE (COLEOPTERA: CURCULIONIDAE ASOCIADAS A PLÁTANO Y BANANO (Musa spp. EN COLOMBIA

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JOSE RUBIO-GOMEZ

2009-05-01

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.

ON THE TAXONOMY AND NOMENCLATURE OF SOME MECININI (COLEOPTERA, CURCULIONIDAE

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Roberto Caldara

2008-04-01

Full Text Available In accordance with the Code, ten actions are taken to preserve nomenclatural stability of names of taxa currently belonging to Mecinini. Following the provisions of ICZN Article 23.9.1, Cleopomiarus graminis (Gyllenhal, 1813 (formerly Rhynchaenus is made a nomen protectum and Curculio ellipticus Herbst, 1795 is made a nomen oblitum; Rhinusa antirrhini (Paykull, 1800 (formerly Curculio is made a nomen protectum and Curculio noctis herbst, 1795 is made a nomen oblitum; having met the conditions of ICZN article 75.3 the neotypes of the following taxa are designated: Curculio antirrhini Paykull, 1800, Curculio cinctus Rossi, 1790, Curculio curvirostris Rossi, 1790, Curculio linariae Panzer, 1792, Cionus thapsicola Germar, 1821, Mecinus collaris Germar, 1821. Lectotypes of Curculio ellipticus Herbst, 1795, Gymnetron eversmanni Rosenschöld, 1838, Mecinus barbarus Gyllenhal, 1838, and Mecinus longiusculus Boheman, 1845 are also designated. Rhinusa linariae (Panzer, 1792 (formerly Curculio remains the valid name of the taxon since Curculio curvirostris Rossi, 1790 (non Fabricius, 1781 nec Herbst, 1784 is unavailable; Mecinus collaris Germar, 1821 remains the valid name of the taxon since Curculio cinctus Rossi, 1790 (non Drury, 1782 nec Geoffroy, 1785 is unavailable. The following new synonymies are proposed: Mecinus barbarus Gyllenhal, 1838 = Mecinus longiusculus Boheman, 1845 n. syn., = Mecinus teretiusculus Boheman, 1845 n. syn., = Mecinus filiformis Aubé, 1850 n. syn.; Rhinusa florum (Rübsaamen, 1895 = Gymnetron smreczynskii Fremuth, 1972 n. syn.; Rhinusa tetra (Fabricius, 1792 = Cionus thapsicola Germar, 1821 n. syn. Rhinusa eversmanni (Rosenschöld, 1838 is the name proposed for Rhinusa thapsicola sensu auctorum (non Germar, 1821.

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.

NOTE TASSONOMICHE E NOMENCLATORIALI SU ALCUNE SPECIE PALEARTICHE DI SIBINIA E TYCHIUS (COLEOPTERA, CURCULIONIDAE

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Roberto Caldara

2009-10-01

Full Text Available In accordo con le disposizioni del codice internazionale di Nomenclatura Zoologica, vengono proposte otto azioni allo scopo di salvaguardare la stabilità della nomenclatura attuale di alcune specie della tribù Tychiini. seguendo le indicazioni dell’Articolo 23.9.1, Sibinia subelliptica Desbrochers, 1873 è considerato nomen protectum e Gymnetron schaumi Becker, 1864 è considerato nomen oblitum; Sibinia phalerata Gyllenhal, 1836 è considerato nomen protectum e Sibinia centromaculata Villa & Villa, 1835 è considerato nomen oblitum. Essendo presenti le condizioni richieste dall’articolo 75.3, vengono designati i neotipi dei seguenti taxa: Sibinia centromaculata Villa & Villa, 1835; Sybines pulchellus Desbrochers, 1875. Sono inoltre stabiliti i lectotypi di: Gymne­ tron schaumi Becker, 1864; Sibinia attalica Gyllenhal var. lateralis Desbrochers, 1895; Sibinia cinctella Desbrochers, 1898; Sibinia pozuelica Fuente, 1910; Tychius barceloni­cus Desbrochers, 1908; Tychius edentatus Desbrochers, 1895; Tychius pallidicornis Desbrochers, 1875; Tychius parvulus Stephens, 1831; Tychius seductor Desbrochers, 1908. Vengono proposte le seguenti nuove sinonimie: Sibinia bipunctata Kirsch, 1870 = Sibi­nia postsignata Voss, 1971 n. syn.; Sibinia exigua Faust = Sibinia cinctella Desbrochers, 1898 n. syn.; Sibinia femoralis Germar, 1824 = Sibinia attalica var. lateralis Desbrochers, 1895 n. syn. = Sibinia consanguinea Desbrochers, 1895 n. syn. = Sibinia attalica var. curtula Desbrochers, 1907 n. syn. = Sibinia dilataticollis Desbrochers, 1907 n. syn.= Sibinia seducta Desbrochers, 1907 n. syn. = Sibinia pozuelica Fuente, 1910 n. syn.; Si­binia pici Desbrochers = Sibinia otiosa Hustache, 1944 n. syn. = Sibinia praeventa Hustache, 1944 n. syn.; Sibinia subelliptica Desbrochers, 1873 = Sibinia schaumei Desbrochers, 1895 n. syn.; Sibinia unicolor Fåhraeus, 1843 = Sybines pulchellus Desbrochers, 1875 n. syn. = Sibinia ochreata Schilsky, 1912 n. syn

Dryophthorinae Species (Coleoptera: Curculionidae) Associted to Platain and Banana crops (Musaspp.) in Colombia

OpenAIRE

SEPÚLVEDA-CANO, PAULA A; RUBIO-GÓMEZ, JOSÉ D

2009-01-01

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 mell...

Especies de dryophthorinae (coleoptera: curculionidae) asociadas a plátano y banano (musa spp.) en colombia

OpenAIRE

RUBIO-GOMEZ, JOSE; SEPULVEDA-CANO, PAULA

2009-01-01

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...

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

El género Elaphocera Gené, 1836 (Coleoptera, Melolonthidae, Pachydeminae: revisión de las series tipo de las colecciones del Museo Nacional de Ciencias Naturales (Madrid, España

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Alonso-Zarazaga, M. A.

1998-12-01

Full Text Available Melolontha emarginata Gyllenhal, 1817 is designated as the type species of Elaphocerida Reitter, 1902. The type specimens of the species of genus Elaphocera Gené, 1836, from the entomological collections of Museo Nacional de Ciencias Naturales (Madrid, Spain, are studied. Lectotypes are designated for species Elaphocera (Elaphocerida ampla Báguena, 1955, Elaphocerida segurensis Escalera, 1923, Elaphocerida pygmaea Escalera, 1923 and Elaphocera (Elaphocerida torressalai Báguena, 1955. The type material of the following species is also revised: Elaphocera pardoi Escalera, 1931, Elaphocera (Elaphocerida ibicensis Escalera, 1926, Elaphocerida abdelkrimi Escalera, 1934 and Elaphocera baguenae Mancini, 1926.En este trabajo se designa Melolontha emarginata Gyllenhal, 1817 como la especie tipo de Elaphocerida Reitter, 1902. Se revisan las series típicas de las especies del género Elaphocera Gené, 1836 conservadas en las colecciones de Entomología del Museo Nacional de Ciencias Naturales (Madrid, España. Se designan los lectotipos de Elaphocera (Elaphocerida ampla Báguena, 1955, Elaphocerida segurensis Escalera, 1923, Elaphocerida pygmaea Escalera, 1923 y Elaphocera (Elaphocerida torressalai Báguena, 1955. Además, se proporcionan nuevos datos sobre el material típico de las especies Elaphocera pardoi Escalera, 1931, Elaphocera (Elaphocerida ibicensis Escalera, 1926, Elaphocerida abdelkrimi Escalera, 1934 y Elaphocera baguenae Mancini, 1926, conservado en estas colecciones.

Immatures of Palaearctic species of the weevil genus Sibinia (Coleoptera, Curculionidae): new descriptions and new bionomic data with suggestions on their potential value in a phylogenetic reconstruction of the genus.

Science.gov (United States)

Skuhrovec, Jiří; Gosik, Rafał; Caldara, Roberto; Košťál, Michael

2015-05-04

The larvae and pupae of six species of the Palaearctic genus Sibinia Germar, 1817 are described in detail for the first time. Five of them develop in seeds of Caryophyllaceae and belong to Sibinia (s. str.): S. attalica Gyllenhal, 1835; S. femoralis Germar, 1824; S. tibialis Gyllenhal, 1835; and S. viscariae (Linnaeus, 1760), which are included in the S. femoralis group, and S. sicana Ragusa, 1908, which is included in the S. unicolor Fåhraeus, 1843 group. The sixth species is S. sodalis Germar, 1824, which develops in seeds of Plumbaginaceae and belongs to the subgenus Dichotychius Bedel, 1885. The larvae and pupae of these species are compared with those previously described for some species of the third subgenus, Microtychius Casey, 1910 from the Americas. Some larval characters, but no pupal ones, are useful to support the three subgenera and the two previously mentioned groups of Sibinia s. str., which were previously postulated based on a few adult morphological characters. The immatures of Sibinia are also compared with those of the closely related genus Tychius Germar, 1817, providing some distinctive characters between both genera. New bionomic data on larval and pupal development and adult emergence are reported for all the described species. These data suggest that species in this genus are highly homogeneous in life history traits.

Caracterización molecular del complejo picudo de plátano (coleóptera: curculionidae), géneros cosmopolites y metamasius, en tres localidades de colombia

OpenAIRE

Duque gambia, Diana Nataly; Caicedo Vallejo, Ana Milena; Montoya Lerma, James; Vallejo Espinosa, Luis Fernando; Muñoz Florez, Jaime Eduardo

2014-01-01

El plátano es un cultivo importante en el mundo y es considerado alimento básico en países tropicales y fuente de ingresos para mercados locales e internacionales. En la zona central cafetera de Colombia se concentra el 60% de la producción. Entre los insectos-plaga más severos asociados con este cultivo se encuentran los picudos Cosmopolites sordidus (Germar), Metamasius hemipterus (Linnaeus) y Metamasius hebetatus (Gyllenhal), y el C. sordidus es el de mayor importancia en estos cultivos. L...

Alfalfa weevil male: effect of γ-radiation and weevil age on mating competitiveness and sperm transfer

International Nuclear Information System (INIS)

Wollam, J.D.; Hower, A.A. Jr.

1977-01-01

Virgin male Hypera postica (Gyllenhal) were irradiated at 1, 2, 3, 4, and 5 weeks of age. Alfalfa weevils from each age group were subjected to γ-radiation doses of 0, 2, 3, 4, 5, and 6 krads. Mating competitiveness was reduced by the 5 to 6 krad doses in all age groups except those 4 weeks old. Weevils irradiated at 1 week of age showed a reduction in competitiveness at doses above 2 krad. Radiation dose and age at irradiation had little noticeable effect on sperm transfer

First record of Stenopelmus rufinasus Gyllenhal, 1835 (Coleoptera: Curculionidae from Poland

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Wanat Marek

2018-03-01

Full Text Available Stenopelmus rufinasus, a North American weevil introduced to Europe along with the invasive aquatic fern Azolla filiculoides, has been recorded from Poland for the first time. Its locality is a natural oxbow lake of the River Odra in Wrocław, the only city in Poland where A. filiculoides has been repeatedly recorded over the last dozen years. The diagnostic characters of this weevil species, its biology, current distribution in Europe and its prospects in Poland are discussed.