But in Methamidophos treatment,the lethalities were larger than the effects on predation function of surviving natural enemies on the contrary with the Shachongshuang treatment.

• 就集团的捕食功能而言，甲胺磷影响明显大于杀虫双，但在总的功能减退率组分中，甲胺磷致死作用超过对残存天敌个体捕食功能的影响，而杀虫双则相反。