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''Pediacus'' is the largest genus in the family Cucujidae. It contains 31 currently recognized species.〔John W. M. Marris and Adam Ślipiński. 2014. A revision of the ''Pediacus'' Shuckard 1839 (Coleoptera: Cucujidae) of Asia and Australasia. Zootaxa 3754(1): 32-58.〕〔Michael C. Thomas. 2004. A revision of ''Pediacus'' Shuckard (Coleoptera: Cucujidae) for America north of Mexico, with notes on other species. Insecta Mundi 17: 157-177 (2003).〕 ''Pediacus'' adults are relatively small (2.7-7.0mm), flattened brownish beetles with no or very small temples, and short antennae with a distinct club. Male genitalia are inverted and possess a short flagellum. The genus is Holarctic in distribution, but extends south as far as Guatemala in the Western Hemisphere, generally at high altitudes, and into Australia in the Eastern Hemisphere. Adults and larvae are found under dead bark; frequently that of conifers in North America. They are thought to be predaceous. Most of the world fauna of ''Pediacus'' has been revised recently and the genus is relatively well-known taxonomically. Included species are: * ''Pediacus dermestoides'' Fabricius * ''Pediacus andrewsi'' Thomas * ''Pediacus ater'' Grouvelle * ''Pediacus australis'' Marris & Slipinski * ''Pediacus bhutanicus'' Sen Gupta * ''Pediacus carinatus'' Marris & Slipinski * ''Pediacus confertus'' Sharp * ''Pediacus depressus'' Herbst in Jablonsky * ''Pediacus elongatus'' Sen Gupta * ''Pediacus fujianensis'' Marris & Slipinski * ''Pediacus fuscus'' Erichson * ''Pediacus gracilis'' Thomas * ''Pediacus hesperoglaber'' Thomas * ''Pediacus japonicus'' Reitter * ''Pediacus kurosawai'' Sasaji * ''Pediacus leei'' Marris & Ślipiński * ''Pediacus major'' Sharp * ''Pediacus mexicanus'' Sharp * ''Pediacus montivagus'' Champion * ''Pediacus ommatodon'' Thomas * ''Pediacus pendleburyi'' Marris & Ślipiński * ''Pediacus rufipes'' Grouvelle * ''Pediacus similis'' Sharp * ''Pediacus sinensis'' Marris & Ślipiński * ''Pediacus smirnovi'' Nikitsky & Belov * ''Pediacus stephani'' Thomas * ''Pediacus subglaber'' LeConte * ''Pediacus tabellatus'' Wollaston * ''Pediacus taiwanensis'' Marris & Ślipiński * ''Pediacus thomasi'' Marris & Ślipiński In addition to the extant species, a single fossil species, ''Pediacus periclitans'' Scudder, has been described from the Eocene deposits at Florrisant, Colorado. Its assignment to ''Pediacus'' has been questioned. ==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「Pediacus」の詳細全文を読む スポンサード リンク
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