Owing to the different susceptibilities of predatory natural enemies to insecticides,the mortalities and decreasing rates of predation function(FD) of surviving natural enemies were different.

• 由于各类捕食性天敌对杀虫剂敏感性的不同，甲胺磷和杀虫双造成的各类天敌的死亡率和残存天敌个体的捕食功能减退率均不同。