近年来,甜菜夜蛾在许昌市魏都区蔬菜上频繁发生为害,对蔬菜生产安全构成了严重威胁,菜农习惯使用甲胺磷等高毒农药和菊酯类农药进行防治。随着甲胺磷等高毒农药的禁用以及该虫对菊酯类农药的抗性增加,迫切需要尽快筛选出替代防治甜菜夜蛾的高效、低毒、低残留农药。为此,笔者进行了甜 In recent years, beet armyworm in Weichang District of Xuchang City Vegetables frequent damage, vegetable safety poses a serious threat to vegetable farmers accustomed to use methamidophos and other highly toxic pesticides and pyrethroid pesticides for prevention and treatment. With the prohibition of high toxic pesticides such as methamidophos and the increased resistance of insecticides to pyrethrum pesticides, there is an urgent need to screen out highly efficient, low toxicity and low residual pesticides as an alternative to control beet armyworm. To this end, I conducted a sweet