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跳蚤分公母吗

更新时间: 2020-10-10 00:00:00     

跳蚤为属于蚤目的完全变态类。跳蚤是小型、无翅、善跳跃的寄生性昆虫,成虫通常生活在哺乳类动物身上,少数在鸟类。触角粗短。口器锐利,用于吸吮。腹部宽大,有9节。后腿发达、粗壮。蛹被茧所包住。成虫体型微小或小型,无翅,体坚硬侧扁,外寄生于哺乳类和鸟类体上,具刺吸式口器,雌雄均吸血;幼虫无足呈圆柱形,营自由生活,具咀嚼式口器,以成虫血便或有机物质为食。雌性跳蚤腹部非常大,呈黄褐色,雄性个体较小,身体呈黑色。 虱子雌雄不太好分,需要在显微镜下才能分辨出来。

关键词: 跳蚤

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