韭蛆即韭菜迟眼蕈蚊,全国各地均有分布。北方韭菜产区发生普遍,春秋季保护地和冬季温室盖韭均受严重为害。幼虫在地下部钻食假茎和鳞茎,致使韭菜叶枯黄而死或萎蔫断叶,重者鳞茎腐烂,韭菜成墩死亡,严重时整畦毁种或毁棚。葱、蒜类蔬菜也可受害。韭菜是老百姓喜食的蔬菜,韭菜根蛆 Leek maggots leeks, which are slow-moving mushrooms, are distributed throughout the country. Common occurrence of leeks in the north, spring and autumn protected areas and covered allium in winter greenhouse were severely damaged. Larvae in the ground to eat the false stems and bulbs, resulting in dead leaves or withered yellow leaves, wilted leaves, severe cases of decayed bulbs, diced into the pier death, serious disfigured or destroyed the whole shack. Onions, garlic vegetables can also suffer. Leek is the common people eat vegetables, leek root maggots