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蝇类在昆虫系统分类上隶属于双翅目,环裂亚目,有缝组(Schizophora),真蝇派(Myiodaria)的无瓣类(Acalyptratae)和有瓣类(Calytratae),共有几十个科,种类十分丰富。仅家蝇科、丽蝇科和麻蝇科,全世界就已知约8 000种,我国已知种类已达1 424种。由于蝇类的体表多毛、足部爪垫能分泌黏液,易附着大量的病原体,且它们喜欢在人或畜的粪、尿、痰、呕吐
Flies belong to the order Diptera, Cycloptera, Schizophora, Myalyaria, Acalyptratae and Calytratae in the taxonomic category of insects, Section, the type is very rich. There are only about 8,000 species known in the world, including Muscidae, Phasianidae and Muscidae, and 1 424 species are known in our country. Due to the body surface hairy flies, foot paw pads can secrete mucus, easy to attach a large number of pathogens, and they like in human or animal manure, urine, sputum, vomiting