韭蛆一直是影响韭菜生产的重要害虫 ,轻则造成叶黄倒伏 ,重则缺苗断垄甚至毁种 ,严重影响韭菜的产量和品质。生产上 ,不少菜农常用甲基对硫磷 ( 16 0 5 ) ,甲拌磷 ( 3911)等早已禁用的高毒农药防治韭蛆 ,因食用被污染的韭菜而造成消费者中毒的事例不时见诸报端 ,使消费者对吃韭 Leek maggots have been the main pests affecting leek production, ranging from lodging caused by yellow lodging, but also the lack of seedlings broken ridge or even destroyed species, seriously affecting the yield and quality of leeks. In production, many vegetable farmers commonly use highly toxic pesticides, such as methyl parathion (165), phorate (3911), and other poisonous pesticides to prevent and cure chives and maggots, as a result of consumers’ poisoning caused by the consumption of contaminated leeks from time to time Various newspapers, so that consumers eat leeks