甜菜夜蛾和斜纹夜蛾是我市夏秋蔬菜上两大重要害虫。俗称“贪夜蛾”、“麻条子”，均属夜蛾科。两种害虫食性杂，幼虫主要为害叶菜类，也可以为害瓜类、茄果类、豆类及水生蔬菜；抗药性强，多种药剂效果不好，昼伏夜出，防治较困难；食量大，可将叶片吃成孔洞和缺刻，严重时仅 Beet armyworm and Spodoptera are the two major pests on the city summer and autumn vegetables. Commonly known as “Sparrows”, “Ma sliver”, are noctua. Two pests feeding habits, larvae are mainly harmful to leafy vegetables, but also can be harmful melons, solanaceous vegetables, legumes and aquatic vegetables; strong resistance, a variety of agents ineffective, nocturnal, control more difficult; food intake Large, leaves can be eaten into holes and nicks, serious only