目前在生产上利用天敌昆虫控制害虫数量与危害的规模日益扩大,并在实践中取得了很多经验。这种生物防治综合措施还具有安全、简便、经济、有效的优点。1980—81两年,我们采用田间定点调查和室内饲养的方法,对我县部分天敌昆虫进行了调查和观察,结果如下; At present, the scale of controlling the quantity and harm of pests by using natural enemy insects in production is expanding day by day, and a great deal of experience has been gained in practice. This comprehensive approach to biological control also has the advantages of being safe, easy, economical and effective. 1980-81 two years, we use the field of fixed-point surveys and indoor rearing methods of some natural enemies in our county were investigated and observed the results are as follows;