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Rhinostomus barbirostris : ウィキペディア英語版 | Rhinostomus barbirostris
''Rhinostomus barbirostris'', common name Bottlebrush Weevil or Bearded Weevil, is a species of true weevil family. ==Description== ''Rhinostomus barbirostris'' can reach a length of , excluding beak. It is probably the third largest weevil in the world. The basic color is black. Pronotum is as long as wide and densely punctate. Elytra bear distinct striae and are deeply punctate. Males have a characteristic long reddish gold hairs on the apical portion of the long, straight and dorsally dentate rostrum. Antenna are long and slender. The front tibia have two or more large, sharp teeth on the inner face. The ''Bearded Weevil'' shows an interesting sexual polymorphism, as a part of males in each population is smaller than other males and they resemble females.
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「Rhinostomus barbirostris」の詳細全文を読む
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