韭菜根蛆简称韭蛆,成虫叫迟眼蕈蚊,属双翅目眼蕈蚊科,幼虫称为韭蛆,常聚集于韭菜地下危害,钻食根部、假茎和鳞茎被危害后引起幼茎腐烂,地上部茎叶变黄,萎蔫下垂,用手轻轻一提就可拔出,严重者韭菜整墩死亡,一年中可多次危害。土壤水分适宜有利于韭蛆的繁衍生存,土壤干旱时会使其向韭菜根部集中,危害明显加重。 Leek root maggrate referred to as leek maggots, adult beetle called Mushroom, Is a Diptera eyes Mushroom Division, larvae known as leek maggots, often gathered in the leek underground hazards, drilling roots, pseudostems and bulbs are caused after the harm caused by young stems Rotten, the above stems and leaves turn yellow, wilting sagging, gently mentioning the hand can pull out, in severe cases death of leek whole pier, many times a year can be harmful. Appropriate soil moisture conducive to the proliferation of leek maggots survival, the soil will make it to the roots of leek concentration, the harm was significantly worse.