苹果绵蚜[Eriosomalanigerum(Hausmann)]是昭通市苹果生产的主要害虫,目前仍被列为国内检疫对象。它繁殖力强、世代重叠严重、发育历期短,且体被蜡质绵状物,防治难度很大。化学药剂在苹果绵蚜的综合治理中仍占有重要的地位,尤其在发生高峰期,只要掌握关键的用药时期,就能明显降 Apple aphid [Eriosomalanigerum (Hausmann)] is a major pest of apple production in Zhaotong and is still listed as a domestic quarantine object. It is highly fertile, generational overlap serious, short developmental period, and the body is waxy cotton, prevention and treatment is very difficult. Chemical agents still play an important role in the comprehensive management of apple aphid, especially during the peak period, as long as the key period of medication is mastered,