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棉蚜AphisgossypiiGlover是危害棉苗的主要害虫之一。有关棉蚜的抗药性研究已做了很多工作，先后报道了棉蚜对内吸磷、对硫磷、乐果等有机磷农药的抗药性[1－3]。近几年来，由于频繁过量连续使用农药，导致棉蚜的抗药性水平迅速上升。例如山东高密地区近几年使用有机磷农药防治
Aphis gossypii Glover is one of the major pests that endanger cotton seedlings. Many studies have been done on the resistance of cotton aphids. The resistance of cotton aphids to phosphorus, parathion, dimethoate and other organophosphorus pesticides has been reported [1-3]. In recent years, due to frequent excessive continuous use of pesticides, leading to a rapid increase in drug resistance of cotton aphids. For example, Shandong Gaomi area in recent years the use of organophosphate pesticides control