小菜蛾属鳞翅目菜蛾科害虫,主要为害十字花科蔬菜。小菜蛾以低龄幼虫啃食叶肉,2龄后多在叶背为害,取食下表皮和叶肉,仅留上表皮呈透明的斑点。针对小菜蛾抗药性不断增强,并在我县甘蓝上发生为害逐年加重的趋势,对15%甲氨基阿维·毒乳油防治蔬菜小菜蛾效果进行试验。试验在连江 Plutella is a member of the family Lepidoptera, a major pests of cruciferous vegetables. The diamondback moth fed on the young larvae fed on the mesophyll. After 2 years of age, it was more harmful to leaf blade and fed on the lower epidermis and mesophyll, leaving only the transparent spots on the epidermis. Against Plutella xylostella resistance is increasing, and in my county cabbage occurred on the trend year by year aggravate, 15% methylamino Arvin EC cream to control the effect of vegetable diamondback moth test. Test in Lianjiang