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2005.09.07

クマゼミのオスとメス

P9070026
ずいぶん前に採集したクマゼミのオスとメス。道路で見つけた死体。右がオスで、左がメス。以前、オスの腹の中の空洞を載せたことがあるが、一目見て違いがわかるがよくみるとさらにいろいろ違いがあることがわかる。
うまく写真が出てくれればいいのだが。

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Comments

クマゼミの雄と雌、こうして比べてみると、大きさの違いがよくわかります。
お腹のあたりの構造も随分違うようですね。
下の写真にあった、雄のお腹が空洞だというのは、どんな役割なのでしょう。
鳴き声の共鳴体とかでしょうか?

Posted by: あやこ | 2005.10.19 08:26 AM

おっしゃるとおり、楽器の空洞のように共鳴箱だと考えています。

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