近年来,棉铃虫复合虫种(Heliothis spp.)对拟除虫菊酯农药出现抗药性,对棉花生产形成严重威胁,抗药性过强时,往往导致治虫失败。至目前止,已报道出现抗性的虫种有:棉铃虫(H.armigera),是中国北方棉区和澳大利亚棉花的主要害虫;烟夜蛾(H.virescens)和美国棉铃虫(H.zea),是美国棉花的主要害虫;澳洲棉铃虫(H.punctigera),是澳大利亚棉花的主要害虫。 In recent years, Heliothis spp. Has shown resistance to pyrethroid pesticides, posing a serious threat to cotton production. When the drug resistance is too high, it often leads to the failure of pest control. To date, resistant species have been reported as H.armigera, a major pest of cotton in northern China and cotton in Australia; H. virescens and H.zea ), Is a major pest of cotton in the United States; H. punctigera, the major pest of cotton in Australia.