美洲斑潜蝇原产南美洲,九十年代初传入我国。近几年来在我区相当一部分地区分布蔓延,是新传入危险性害虫。成虫体小灰黑色,产卵时把寄主作物叶片刺伤,产卵其中。孵化后的幼虫蛆状,在叶表皮组织下钻成不规则的白色隧道,农民称“鬼画符”。受害严重时,隧道布满叶片成灰白或淡黄斑块,影响光合作用,最后叶片枯死脱落,造成减 Native American louse production in South America, the early 1990s into China. In recent years in a considerable part of our region spread distribution, is the new introduction of dangerous pests. Small gray adult worms black, spawning when the host crop leaves stabbed, spawning them. After larval hatchling maggot-like, in the leaf epidermal tissue into an irregular white tunnel, peasants called “ghost character.” Serious damage, the tunnel covered with gray or pale yellow patches of leaves, affecting photosynthesis, the last leaves withered off, resulting in reduced