美洲斑潜蝇是一种严重危害蔬菜、棉麻、油料等类作物的新传入我国黄土高原的国际国内植物检疫对象，一般可造成20％～50％的减产，严重时绝产，使广大群众深受其害。为此，本文根据1997年的初步调查和有关资料，介绍了该虫的危害情况、生物学特性及其与豌豆潜叶蝇的不同之处、检疫意见和防治方法，以便搞好对该虫的检疫与防治。 The leaf plum is a kind of international and domestic phytosanitary object which is seriously harmful to vegetables, cottonseed, oilseeds and other crops and newly introduced into the Chinese Loess Plateau. Generally, it can reduce the output by 20% ~ 50% The masses suffer. Therefore, based on the preliminary investigation and relevant data in 1997, this article introduced the pest’s harmfulness, biological characteristics and its difference with pea miner’s leaf fly, quarantine opinion and control method in order to improve the insect’s Quarantine and Prevention.