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Hydrophilidae, also called water scavenger beetles, is a family of chiefly aquatic beetles.〔(【引用サイトリンク】title=BugGuide: Family Hydrophilidae – Water Scavenger Beetles )〕〔(【引用サイトリンク】title=Hydrophilidae – UNH Center for Freshwater Biology )〕 Aquatic hydrophilids are notable for their long maxillary palpi, which are longer than their antennae.〔(【引用サイトリンク】title=Sphaeridiinae Definition. Crossword Dictionary. )〕 Several of the former subfamilies of Hydrophilidae have recently been removed and elevated to family rank; Epimetopidae, Georissidae (= Georyssinae), Helophoridae, Hydrochidae, and Spercheidae (= Sphaeridiinae).〔〔(【引用サイトリンク】title=Fifteen new genera of Hydrophilidae (Coleoptera) with remarks on the generic classification of the family )〕 Some of these formerly-included groups are primarily terrestrial or semi-aquatic. The vernacular name ''water scavenger beetles'' is not an accurate description of their habit. With rare exceptions, the larvae are predatory while the adults may be vegetarians or predators in addition to scavenging.〔(【引用サイトリンク】title=Water Scavenger Beetles )〕 Many species are able to produce sounds. Species of ''Hydrophilus'' are reported as pests in fish hatcheries.〔 Other species are voracious consumers of mosquito larvae, and have potential as biological control agents.〔〔(【引用サイトリンク】title=Aquatic insect predators and mosquito control )〕 There are 2,835 species in 169 genera 〔Short & Fikáček, 2011: 85, table 1 (see bibliography)〕 == Subfamilies == * Horelophinae * Horelophopsinae * Hydrophilinae * Sphaeridiinae 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「Hydrophilidae」の詳細全文を読む スポンサード リンク
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