Fruitfly's Wing Signalling ミバエの手旗信号

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Uploaded by on Jun 16, 2008

This fruitfly (family Tephritidae?) had green eyes and intricate wing markings. Was it signaling something with the wing movement? (like a courtship dance or territorial display?) Was it trying to attract a mate? Just my wild guesses. Found on a leaf of butterbur (Petasites japonicus) on mid-June 2008 in Japan.

フキの葉に居た緑目をしたミバエ?の一種(ショウジョウバエ? 種名不詳)。翅の紋様と動きが面白い。羽で何かシグナルを送っているのか思わせぶりな動きです。このまま待てばもう一匹やってきて先日のように(別種ですけど)求愛・交尾­が始まるのではないかと期待した。しかし残念ながら横を車が通り過ぎて逃げられました...。とりあえず採集すればよかったかな?

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Pets & Animals

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