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虱子一生生几次卵就死

更新时间: 2020-09-23 00:00:00     

虱子的寿命大约有六个星期,每一雌虱每天约产十粒卵,大约两三周后通过三次蜕皮就可以长为成虫,也就是说虱子大约可以产20到30次卵。

虱毛目是原虱目和食毛目的合称,通称虱或虱子全世界约有3000种,虱寄生于人体,其他哺乳动物,除了单孔目和蝙蝠外,和鸟类的身上,虱体型较小,无翅,身体扁平,寄生于毛发处,有善于勾住毛发的足,虱为渐变态发育,终生寄生于宿主体表,以宿主血液,毛发,皮屑等为食,寄生于人体的虱主要以宿主血液为食,其若虫每日吸血1次,成虫每日吸血数次。

关键词: 虱子 生生

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