我县在开展水稻害虫天敌资源调查工作中,发现寄生蝇种类多,分布广,寄生率高,对害虫有较好的控制作用。标本经鉴定结果,共有3科12种,现记述如下:一、长足寄蝇科 Dexiidae银颜筒寄蝇 Clytho argentea Egger寄主:稻苞虫,稻眼蝶幼虫。本种是稻苞虫幼虫寄生天敌的优势种。1980年9月12日调查110条虫,寄生51条,寄生率 My county in carrying out the investigation of natural enemies of rice pests work, found that there are many types of parasitic flies, widely distributed, high parasitism, pests have a better control. Specimens identified by the results of a total of 12 species of 3 families, are described as follows: First, the long Branch of the Muscidae Dexiidae silver tube fly fly Clytho argentea Egger Host: rice shell insects, rice butterfly larvae. This species is the dominant species of rice sheathworm larvae parasitoids. September 12, 1980 survey of 110 worms, parasites 51, the parasitic rate