韭蛆,学名韭菜迟眼蕈蚊,是韭菜生产中的一种主要地下害虫。在河北省各韭菜产区均有发生,一般一年发生4代,分别于5月上旬、6月中旬、8月上旬及9月下旬发生。成虫产卵于韭株周围的土缝或土块下,幼虫孵化后,聚集在韭菜地下部的鳞茎和柔嫩的茎部为害, Leek maggots, scientific name leek belonged to fungus mosquito, is a major underground pests in the production of chives. In leek production areas in Hebei Province have occurred, the general occurrence of 4 generations a year, respectively, in early May, mid-June, early August and late September occurred. Adult spawning in the soil around the chives plant joints or clods, the larvae hatch, gather in the leek underground bulbs and tender stem damage,