头发上的虱子卵怎么知道是活还是死?

2025-02-12 08:58:24
推荐回答(3个)
回答1:

活的挤一下会啪的响一声,而死的压根就不会响,而且如果你仔细辨认,会发现死的是个空壳,而活的却很饱满。

  • 虱(shi)属 昆虫纲、 虱目, 人虱科。为无翅小昆虫,体背腹扁平,是一种永久性体外 寄生虫 。也是一类无翅小型寄生昆虫的统称,分为两大群:钝角亚目和丝角亚目群(亦称嚼虱或咬虱),寄生于鸟类和 哺乳类; 吸虱亚目,仅寄生于哺乳类。

  • 头虱已对许多杀虫剂产生 抗药性并在世界上许多地方重新出现,这部分是由于人们广泛地 使用含有杀虫剂成分的洗发剂来防治头虱所致。

  • 虱的严重侵扰可能引发对皮肤的剧烈刺激,因为痒而搔抓可致 继发性感染。若发生於家畜身上,皮革和羊毛可能出现磨擦和损坏,且肉和蛋的产量下降。

  • 严重感染的鸟类,其羽毛可能严重受损。 狗虱中有一种是将 绦虫传染给狗的 中间宿主,而鼠虱则在鼠类间传播 鼠型斑疹伤寒。

  • 虱属于 吸虱目,是鸟类和哺乳动物的体外永久性 寄生昆虫。它的发育各期都不离开 宿主。虱体小、无翅、背腹扁平,足末端具有特殊的攫握器。

  • 寄生于人体的虱有两种,即 人虱和耻 阴虱。一般认为人虱又分为两个亚种,即人 头虱和人 体虱。

回答2:

活的挤一下会啪的响一声,而死的压根就不会响,而且如果你仔细辨认,会发现死的是个空壳,而活的却很饱满。

回答3:

活的虱子会很饱满,摁爆会发出啪的一声,死的看起来会很空

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