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''Otiorhynchus'' (often spelt ''Otiorrhynchus'') is a large genus of weevils in the family Curculionidae. Many species of the genus, particularly the black vine weevil (''O. sulcatus'') and the strawberry root weevil (''O. ovatus''), are important pests, both as larvae and as adults. Larvae feed on plant roots. Adults are flightless with fused elytra and feed at night on plant foliage.〔Warner, R. E. & F. B. Negley. 1976. The genus ''Otiorhynchus'' in America north of Mexico (Coleoptera: Curculionidae). ''Proceedings of the Entomological Society of Washington'' 78 (3): 240-262.〕〔Bright, D. E. & P. Bouchard. ''The Insects and Arachnids of Canada'', Part 25: ''Coleoptera. Curculionidae. Entiminae. Weevils of Canada and Alaska''. Vol. 2. Ottawa, NRC Research Press, 2008. ISBN 0-660-19400-7. P. 111-131.〕 In many species of the genus at least some races are polyploid and parthenogenetic, while the rest of the races and species are diploid and bisexual. ''Otiorhynchus'' weevils, particularly ''O. scaber'', have been a popular subject for studies of the evolution of parthenogenesis. The genus is native to the Palearctic region. However, sixteen species were inadvertently introduced to North America and have become widespread there.〔〔 A number of species are troglobites, cave-dwelling animals that lack eyes.〔Hlavač, P. (2011). (Endogean and cavernicolous Coleoptera of the Balkans. XI. Revision of the subgenus ''Troglorhynchus'' Reitter of the genus ''Otiorhynchus'' Germar (Coleoptera: Curculionidae). ) ''Natura Croatica'' 20(1), 189-200.〕〔di Marco, C. and G. Osella. (2002). (''Otiorhynchus radjai'' sp. n. from Vis Island (Dalmatia, Croatia), and description of a new subgenus of ''Otiorhynchus'' Germar (Coleoptera, Curculionidae). ) ''Italian Journal of Zoology'' 69(3), 257-62.〕 There are over 1,500 species in this genus, which is divided into at least 105 subgenera.〔 Species include: *''Otiorhynchus alpicola'' *''Otiorhynchus arcticus'' *''Otiorhynchus cribricollis'' *''Otiorhynchus cuneiformis'' Waterhouse *''Otiorhynchus dieckmanni'' *''Otiorhynchus frater'' Styerlyn, 1861 *''Otiorhynchus gemmatus'' *''Otiorhynchus grischunensis''〔Germann, C. (2010). (''Otiorhynchus'' (''Nihus'') ''grischunensis'' sp. n.—a new species of the ''O. rhilensis'' species group from the Swiss Alps (Curculionidae, Entiminae). ) ''Zootaxa'' 2368, 59-68.〕 *''Otiorhynchus ligneus'' *''Otiorhynchus ligustici'' *''Otiorhynchus magnanoi''〔Keskin, B. (2007). (A new species of the genus ''Otiorhynchus'' Germar, 1822 (Coleoptera: Curculionidae: Entiminae) from Western Anatolia (Turkey). ) ''Zootaxa'' 1588, 63-68.〕 *''Otiorhynchus meridionalis'' *''Otiorhynchus morio'' Germar, 1824 *''Otiorhynchus ovatus'' Linnaeus, 1758 *''Otiorhynchus porcatus'' *''Otiorhynchus rhacusensis'' *''Otiorhynchus radjai''〔 *''Otiorhynchus raucus'' *''Otiorhynchus rugifrons'' *''Otiorhynchus rugostriatus'' *''Otiorhynchus scaber'' *''Otiorhynchus singularis'' *''Otiorhynchus sulcatus'' *''Otiorhynchus vehemens'' == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Otiorhynchus」の詳細全文を読む スポンサード リンク
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