一、为害植物及其症状据饲养观察,韭菜蛆可为害韭菜、大蒜、葱和芹菜,以韭菜、大蒜和葱为饲料的蛆虫发育正常,芹菜的发育不正常。韭菜蛆是地下害虫,幼虫群集在韭菜叶鞘基部和鳞茎上蛀食为害,使韭菜植株断裂、叶片萎蔫、返黄直致枯死,用手轻轻往上一拔,便可拔起断裂的韭菜苗,其断口部分往往可见韭菜蛆。田间韭菜蛆的发生,往往开始于点、团而后迅速 First, the plants and their symptoms According to keeping observations, leeks maggots can harm leeks, garlic, onions and celery, with leeks, garlic and onion for the feed maggots normal development, celery development is not normal. Chives maggot is an underground pest, larvae cluster in the leeks sheath and bulb eaten on the basis of damage, the leek plants rupture, leaf wilting, back to the yellow died, gently pull up a hand, you can pull up the broken leek seedlings, The broken part of the leek maggot can often be seen. Occurrence of chives in the field of maggots often starts at the point of the regiment and then quickly