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''Episernus'' is a genus of beetle〔 "Genus Episernus - BugGuide.Net", BugGuide.net, web: (BG-412 ). 〕 ranging in Holarctic, of western distribution in North America, including the Palearctic and the Nearctic. ''Episernus'' is similar to ''Ernobius'', but the side margin of the pronotum in the anterior part is effaced, and the antennae are 10-segmented.〔 They consume conifers. For males, the body is more slender. In females, the antennae are shorter.〔 ==Selected species== * * * * * * * * * * * * * 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「Episernus」の詳細全文を読む スポンサード リンク
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