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Cosmophasis umbratica : ウィキペディア英語版 | Cosmophasis umbratica
''Cosmophasis umbratica'' is a species of jumping spider that occurs from India to Sumatra. They are most frequently spotted on plants that are exposed to sunlight during later morning and early afternoon.〔Lim & Li, 2005〕 Males have complex iridescent markings on the dorsal and lateral cephalothorax and on the lateral femora of all legs, and silvery white lines on the abdomen, while females have a green cephalothorax and a brown, white and black abdomen.〔 ''C. umbratica'' shows extreme dimorphism when viewed under UV light: males reflect UV on all body parts that are displayed during intraspecific interaction, while females and juveniles do not reflect UV at all. It seems that ''C. umbratica'' uses this in sexual signaling. A similar phenomenon is found in some butterflies (for example, several species of ''Colias'' and ''Gonepteryx'', both of the family Pieridae).〔 ==Footnotes==
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「Cosmophasis umbratica」の詳細全文を読む
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