韭蛆属双翅目,蕈蚊科,是北方蔬菜生产上的一种重要的地下害虫,严重为害韭菜生产,造成严重的经济损失。近几年来,韭蛆为害随着韭菜生产面积的扩大和韭蛆抗药性的产生而加重。为防治韭蛆,菜农往往使用大量农药,致使韭菜农药残留非常高,“毒韭菜”事件频繁发生,严重影响了韭菜的品质,危害了人们的健康。为此,本文对新型的防治韭蛆药剂进行试验,对不同药剂的防效及农药残留情况进行分析,从而筛 Leek maggots belong to the order Diptera, Mityidae family, is an important underground pests in the northern vegetable production, serious damage to leek production, causing serious economic losses. In recent years, the leek maggot damage with the expansion of leek production area and leek maggot resistance increased. To control leek maggots, vegetable farmers often use a large number of pesticides, resulting in very high pesticide residues leeks, “poisonous leek ” incident occurs frequently, seriously affecting the quality of leeks, endangering people’s health. To this end, this article on the new prevention and treatment of leek maggots pharmaceutical tests on the effectiveness of different agents and pesticide residues analysis to screen