美洲斑潜蝇严重危害蔬菜、花卉和作物。我县1995年发现,1996～1998年,我们开展了美洲斑潜蝇发生规律及防治技术研究。1发生与为害 美洲斑潜蝇是一种多食性害虫,寄主范围极广,豆科、葫芦科、茄科、十字花科、菊科、落葵科、黎科、伞形科、毛莨科、大戟科等10科30多种蔬菜、花卉和杂草均可受害,尤以豆科、葫芦科、茄科类蔬菜受害严重。我县该虫发生面积达2400hm~2,严重发生面积超过500hm~2。一般产量损失在10～20％,严重 Leafminers produce serious damage to vegetables, flowers and crops. My county found in 1995, 1996 to 1998, we conducted a study on the law of occurrence and prevention and control of leafminers in the United States. 1 Occurrence and damage American leafminer fly is a multi-feeding pests, the host a wide range of leguminous, Cucurbitaceae, Solanaceae, Cruciferae, Asteraceae, Lakaike, Li Ke, Umbelliferae, Ranunculaceae , Euphorbiaceae and other 10 families more than 30 kinds of vegetables, flowers and weeds can be harmed, especially leguminous, Cucurbitaceae, Solanaceae vegetables suffer serious. The incidence of the insect in this county reached 2400hm ~ 2, with a serious area of ​​more than 500hm ~ 2. General output loss at 10 ~ 20%, serious