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Eastern forktail (''Ischnura verticalis'') is a member of the damselfly family Coenagrionidae. The males are yellow-green with blue on the top of the eighth and ninth abdominal segments. The females may be orange, or less commonly yellow-green like the male.〔Dubois, Bob. Damselflies of the North Woods. Duluth, MN:Kollath+Stensaas, 2005, p.110-111.〕 Flies from late June to early October.〔 == Gallery == Ischnura verticalis.jpg|Immature female Eastern Forktail (Ischnura verticalis), Immature Female 01.jpg|Immature Female Eastern Forktail (Ischnura verticalis), Immature Female 02.jpg|Immature Female Eastern Forktail (Ischnura verticalis), Male.jpg|Male 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「Eastern forktail」の詳細全文を読む スポンサード リンク
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