美洲斑潜蝇是我国国家级检疫对象 ,其具有寄主范围广 ,世代重叠复杂 ,危害时间长、危害重 ,难于防治等特点。近几年来 ,随着南菜北运和种子及繁殖材料调运的日益频繁 ,美洲斑潜蝇的危害范围逐渐扩大 ,传播蔓延速度很快 ,危害也逐年加重。黑龙江省 1 997年在大庆市首次发现 ,后 Liriomyza sativae is a national quarantine object of our country. It has the characteristics of wide range of host, overlapping generations, long time of harm, heavy damage and difficult to control. In recent years, with the south of the North and the transfer of seeds and propagation materials increasingly frequent, the scope of harm the American lizard leaf fly gradually expanded, the spread of spread quickly, the harm is also increasing year by year. Heilongjiang Province was first discovered in Daqing in 1997, after