葱蝇属双翅目、花蝇科。在黄河流域危害十分严重，是百合科蔬菜生产的主要障碍。（－）分布及危害葱蝇在我国分布较广，尤以北、中部发生较重。寡食性害虫，主要危害百合科蔬菜，幼虫常钻入种子或幼苗茎内为害。据浚县植保站调查，葱、蒜被蛀食引起腐烂，使叶片枯黄、萎蔫，甚 Onchocerca Diptera, Flower Muscidae. Harmful in the Yellow River Basin is very serious, is the main obstacle to the production of Liliaceae vegetables. (-) Distribution and damage Onion fly is widely distributed in our country, especially in the north, the central occurred heavier. Oligocidal pests, the main endanger liliaceous vegetables, larvae often drill into the seed or seedling stem damage. According to Xunxian plant protection station survey, onions, garlic is decay caused by eating, so that leaves withered, wilting, very