美洲斑潜蝇又称蛇形斑潜蝇,是近年发生的一种新的蔬菜害虫,可为害多种蔬菜,以瓜类、豆科、茄科、十字花科蔬菜受害较重。成虫、幼虫皆可为害,成虫吸食叶片汁液,产卵时还会刺伤叶片,形成褪色斑点,幼虫蛀食叶肉,形成隧道,使光合作用受阻,严重时叶片脱落,导致减产。该虫主要发生在 American leafminers, also known as snake-like leaf miner, is a new vegetable pest that occurs in recent years. It can harm many kinds of vegetables and harms heavier melons, legumes, solanaceae and cruciferous vegetables. Adults and larvae can be harmful, adults eat leaf juice, spawning leaves will be stabbed, the formation of fading spots, larvae eaten the mesophyll, the formation of tunnels, so that photosynthesis blocked, severe leaves off, leading to reduced production. The worm occurs mainly in