1984—1985年,在思南县塘头双季稻区,对稻纵卷叶螟幼虫期的主要寄生天敌进行了调查。两年来,5—10月分期分批从大田随机采集稻纵卷叶螟各代各龄幼虫,室内饲养至化蛹、羽化,调查其天敌种类及数量。结果: 一、主要寄生蜂和寄生率 从饲养的888头幼虫中观察到:有398头被天敌寄生,主要为寄生蜂,计有: 纵卷叶螟绒茧蜂 Apanteles cypris、螟蛉绒茧蜂 Apanteles ruficrus、螟黄抱缘姬蜂 From 1984 to 1985, the main parasitic natural enemies of larva of Cnaphalocrocis medinalis were surveyed in Tangtou double cropping rice in Sinan County. In the past two years, the larvae of all the larvae of C. medinalis were collected from May to October in batches in batches in batches from field to field, pupation and pupae were indoors, and the species and quantity of their natural enemies were investigated. The main parasitic wasps and parasitism were observed in 888 larvae raised: 398 were parasitized by natural enemies, mainly parasitic wasps, including: Apanteles cypris, Apanteles ruficrus, borer yellow edge Ji-bee