蝉的特点

更新时间: 2021-01-17 04:45:24     

1、蝉的幼虫生活在土壤中,刺穿和吸取植物根部的汁液,削弱树木,使树枝死亡,影响树木的生长。

2、蝉的外形特点,有一对大大的复眼,位于头部两侧,中间分布有三个点状单眼。它的触角又短又硬。同时,蝉有两对膜翅,形状基本相同,头部宽而短,具有明显突出的额唇基。并且,成虫体长大多是在2-5厘米之间。

关键词: 特点

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