地蛆是种蝇的幼虫,又名根蛆、种蛆、菜蛆等,属于双翅目花蝇科。成虫体长近5毫米,雌蝇黄褐色,雄蝇暗褐色;蛹长约4～5毫米,椭圆形、红褐色;幼虫乳白略带黄色,蛆状;卵乳白色,表面有网状纹,长椭圆形,稍弯曲。南方地区的地蛆主要以种蝇为主,种蝇为杂食性害虫。在蔬菜种植地区主要为害十字花科蔬菜、葱蒜类和瓜类;在花卉、果树等上主要为害 Maggot is a species of larvae, also known as the root maggots, kinds of maggots, vegetables maggots, belonging to the Diptera, Muscidae. Adult body length of nearly 5 mm, female flies brown, male flies dark brown; pupa about 4 to 5 mm, oval, reddish brown; larvae milky slightly yellow, maggots; egg white, the surface of the mesh pattern, long Oval, slightly curved. Maggots in the south are mainly dominated by species of flies, which are omnivorous pests. Cruciferous vegetables, green onions and melons are harmed mainly in vegetable growing areas; mainly on flowers and fruit trees