棉叶螨是棉花的重要害虫之一,在江西棉区常年有不同程度的发生危害,尤其是干旱和综合防治不力的年份或地区,对棉花高产优质威胁很大。从药剂防治看,它对常用的有机磷杀虫剂等的抗性日益增加,用提高药剂浓度和增加喷药次数去解决问题时,既增加经济开支,又招致农药公害,因此,选 Cotton spider mite is one of the important pests of cotton. There are some perennial hazards in cotton fields in Jiangxi Province. Especially in the years or regions where drought and comprehensive control are not strong, cotton spiders threaten the yield and quality of cotton. From the point of view of medicament control, its resistance to commonly used organophosphorus insecticides and the like is increasing day by day. When raising the concentration of medicament and increasing the number of spraying to solve the problem, it not only increases the economic expenditure but also causes the pollution of pesticides. Therefore,