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The insect family Corduliidae contains the emerald dragonflies or green-eyed skimmers. These dragonflies are usually black or dark brown with areas of metallic green or yellow, and most of them have large, emerald-green eyes. The larvae are black, hairy-looking, and usually semiaquatic. Members of this family include the baskettails, emeralds, river cruisers, sundragons, shadowdragons, and boghaunters. They are not uncommon and are found nearly worldwide, but some individual species are quite rare. Hine's emerald dragonfly (''Somatochlora hineana''), for example, is an endangered species in the United States. Some genera: * ''Archaeophya'' * ''Cordulia'' – American emeralds * ''Dorocordulia'' – little emeralds * ''Epitheca'' – baskettails * ''Helocordulia'' – sundragons * ''Idionyx'' * ''Neurocordulia'' – shadowdragons * ''Somatochlora'' – striped emeralds * ''Williamsonia'' – boghaunters ==External links== *( Several Emerald Photos ) *(Hine's Emerald Dragonfly Fan Page ) 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「corduliidae」の詳細全文を読む スポンサード リンク
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