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面包虫的成虫怎么区分公母
更新时间: 2020-09-25 00:00:00  

面包虫的成虫区分公母的方法如下:

雌性成虫一般大于雄性成虫。雌性成虫尾部很尖,产卵器下垂,伸出甲壳外部。雌性成虫腹部末端的乳状突粗大明显,突的末端较尖并向左右分开。而雄性成虫的乳状突短小微露,末端钝圆,不弯曲,基部合并。

关键词: 面包 成虫 怎么 区分

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