美洲斑潜蝇是一种全国植物检疫对象，具有生活隐蔽，繁殖力强，寄主范围广，防治困难等特点。近年来传人新疆，经我们于1997年在乌鲁木齐县全面普查，有20多种农作物受害，特别是黄瓜、西葫芦、菜豆、大白菜等蔬菜受害严重。一般减产20－30％，严重的减产50％以上，甚至毁种。 Liriomyza sativae is a national plant quarantine object, with the characteristics of hidden life, strong reproduction, wide host range and difficult control. In recent years, it has spread to Xinjiang. After we conducted a comprehensive survey in Urumqi in 1997, more than 20 kinds of crops have been harmed. In particular, vegetables such as cucumbers, zucchini, kidney beans and Chinese cabbage have been seriously affected. General cut 20-30%, a serious cut 50% or more, and even destroyed species.