‘一项调查表明,居室内空气质量的污染,21％以上是由细菌、病毒、真菌、螨虫等微生物引起的。其中螨虫对人体健康的危害越来越多地受到人们的关注。尽管螨虫在许多家庭中安营扎寨,但由于螨虫对人造成的危害不易被察觉,又由于有些危害一直以来没有得到人们足够的重视,所以,螨虫并不被大众所认识,它对人类的危害也往往被忽略。那么,螨虫究竟是一种什么样的害虫,它的危害又有多大呢?’ ’A survey shows that indoor air quality pollution, more than 21% are caused by bacteria, viruses, fungi, mites and other microorganisms. One of the hazards of mites on human health more and more people’s attention. Although mites are found in many families, the mites have not been recognized by the general public due to their insensibility to human beings and their harm to humans. be ignored. So, what kind of pest is a mite, what is the harm to it?