Trenching |
by chidorian |
ウリハムシ / Aulacophora femoralis
キュウリの花に害虫ウリハムシが留まっています。半円形に噛み痕をつけているのは「トレンチ行動」といって、植物が食害されることを防ぐために出す物質をブロックするためだと言われています。このあとウリハムシは、噛み痕の内側を食べていきます。
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