斑潜蝇又名美洲斑潜蝇，近年来在大名县种植的大葱上已普遍发生，并已严重降低了大葱产量和品质。据田间观察：该虫幼虫一般蛀食大葱叶肉，留下表皮，初期呈点线状，以后随着幼虫的生长发育，在大葱表皮下形成灰白色粗乱线状“隧道”，严重时相互交汇使整个叶片呈灰白色，... Liriomyza sativa, also known as the American leafminer, has generally occurred on the green onions grown in Daming County in recent years and has severely reduced the yield and quality of the onions. According to field observations: the worm larvae generally eat green onions leaves, leaving the epidermis, the initial was a little line, and later as the larvae growth and development, in the formation of the scallion under the thick white roughening linear “tunnel”, serious intersection The whole leaves are gray, ...