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Gerromorpha is an infraorder of insects in the "true bug" order Hemiptera. These "typical" bugs (suborder Heteroptera) are commonly called semiaquatic bugs or shore-inhabiting bugs. The Ochteroidea of the true water strider(infraorder Nepomorpha, a far more advanced lineage〔ToL (2005)〕) are also found in shore habitat, while Gerromorpha are actually most often encountered running around on the water surface, being kept from sinking by surface tension and their water-repellent legs. Well-known members of the Gerromorpha are the namesake Gerridae (water striders). ==Systematics== The 8 family families that are usually recognized are arranged in 4 superfamilies. The 2 small or monotypic ones of these are basal lineages, the two larger ones form a more advanced clade. The phylogenetic sequence of superfamilies and families of Gerromorpha is:〔ToL (1995)〕 * Mesovelioidea – water treaders * * Madeoveliidae (sometimes included in Mesoveliidae) * * Mesoveliidae * Hebroidea – velvet bugs * * Hebridae (Hyrcaninae might arguably be considered a good family as the superfamily is monotypic otherwise.) * Hydrometroidea * * Paraphrynoveliidae * * Hydrometridae – water measurers * * Macroveliidae * Gerroidea * * Hermatobatidae * * Gerridae – water striders * * Veliidae – riffle bugs 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「Gerromorpha」の詳細全文を読む スポンサード リンク
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