近年，水稻上的主要害虫：二、三化螟、稻纵卷叶螟发生逐年严重，对水稻危害很大。农民习惯长期使用高毒高残留的有机磷等化学农药，从而造成害虫抗药性增强，农药残留量大，污染环境且杀伤天敌。为解决这一问题，我们于１９９７－１９９８年在四个稻区乡镇引进仿生农药—... In recent years, the main pests on rice: the second and third rice borer, rice leafroller serious annual occurrence of rice, a great harm to rice. Peasants are accustomed to long-term use of chemical pesticides such as high-toxic and high-residual organophosphorus pesticides, resulting in enhanced pest resistance, large pesticide residues, environmental pollution and natural enemies. In order to solve this problem, we introduced bionic pesticides in the four townships and towns in 1997-1998.