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三化螟是南方稻区的头号害虫。利用食虫昆虫消灭三化螟是一项多快好省的生物防治措施之一。据介绍,螟卵啮小蜂在广东崖县等地由于自然蜂群非常强大,能起到控制三化螟为害的作用。广东、上海等地曾人工释放啮小蜂防治三化螟已取得良好效果。我区于都县在72年四代三化螟发生期间也曾进行啮小蜂人工放播灭螟的试验,也获得一些经
Borer borer is the number one pest in southern rice area. The use of insect insects to eliminate Borer is one of the more rapid and economical biological control measures. According to reports, the borer wasps in other places in Guangdong Cliff because of the natural bee is very powerful, can play a controlling role of Borer damage. Guangdong, Shanghai and other places have been released artificial beetle control stem borer has achieved good results. Yidu County in our district in 72 years during the fourth generation of rice stem borers have also carried out artificial insemination of small bees on the test broadcast Xiaobailong also obtained some