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Tetragnatha extensa
''Tetragnatha extensa'' is a species of spider found across the Northern Hemisphere. It has an elongate body, up to long, and adopts a straight line posture when alarmed. It lives on low vegetation in damp areas, and feeds on flying insects which it catches in its web.
==Description==
''T. extensa'' has an elongated, cream-coloured body.〔(【引用サイトリンク】title=''Tetragnatha extensa'' – a long-jawed spider )〕 Males are smaller than females, at around body length, compared to for females. The four pairs of legs are very long,〔 and are dark yellow. The carapace, which is around 1.8–2.6 mm long and 1.1–1.7 mm wide, is orange or dark yellow.
The colouring of ''T. extensa'' is quite variable,〔 ranging from creamy-yellow to green.〔 On the underside, there is a thick black central band, with a silvery band on either side.〔
''T. extensa'' is distinguished from other members of the genus ''Tetragnatha'' by the minute curved tip of the male's conductor (part of the pedipalp), and the form of the female's spermatheca.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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