稻苞虫是我区重要水稻害虫,田间以直纹稻苞虫Parnara guttata Bremer et Grey为主,约占总产生量的95.1%(1981年)。自1973年起,作者对其天敌进行了调查,发现以寄生性天敌昆虫的作用明显。为了加以保护利用,1980年以来对直纹稻苞虫(以下简称稻苞虫)寄生性天敌昆虫作了较系统的调查研究。现将有关种类、优势种及保护利 Rice shell insects are important rice pests in our area. The field is dominated by Parnara guttata Bremer et Gray, accounting for 95.1% of the total production (1981). Since 1973, the authors conducted a survey of their natural enemies and found that the role of parasitic natural enemies of insects obvious. In order to protect and utilize it, a systematic investigation has been conducted on the parasitic natural enemy insects of the fritillaria in the area since 1980. Now about the type, dominant species and protection of Lee