大姜钻心虫又名姜螟、玉米螟,是危害大姜的主要虫害之一。幼虫孵出后即蛀食姜茎,虫孔处留有粪屑。幼虫主要集中在姜茎中上部蛀食,造成姜茎空心,被害茎秆枯黄调萎,很易折断。防治大姜钻心虫,应以防为主,抓“早”字。当前进入夏季,钻心虫等也进入暴发期,提醒菜农防治要提早进行。在生姜长到20厘米左右时,第一代钻心虫开始危害,初孵幼虫先为害嫩 Ginger worm, also known as ginger borer, corn borer, is one of the major pests damage ginger. The larvae hatch after eating ginger stems, wormhole left at the feces. The larvae are mainly concentrated in the top of the ginger stems eaten, resulting in hollow ginger stems, stalks damaged yellow wilt, it is easy to break. Prevention and treatment of ginger worm, should be based on prevention, grasping “early ” word. Currently entering the summer, bored worms, etc. also entered the outbreak, to remind vegetable farmers to advance prevention and treatment. When the ginger grows to about 20 centimeters, the first generation of diamond worm begins to harm,