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蜻蜓分公母吗

更新时间: 2020-09-24 00:00:00     

蜻蜓分雌雄。雄性蜻蜓较雌性蜻蜓颜色会鲜艳,漂亮,雌性颜色则暗淡,朴素。在交配时,雄体会用腹部末端的抱握器握住雌体的头或前胸。

蜻蜓,无脊椎动物,节肢动物门,昆虫纲,有翅亚纲,蜻蜓目,差翅亚目,分蜻科和蜓科。一般体型较大,翅长而窄,膜质,网状翅脉极为清晰。视觉极为灵敏,单眼3个,触角1对,细而较短,咀嚼式口器。腹部细长、扁形或呈圆筒形,末端有肛附器。足细而弱,上有钩刺,可在空中飞行时捕捉害虫。幼虫在水中发育,在水中用直肠气管鳃呼吸。

关键词: 蜻蜓

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