粘虫属鳞翅目,夜蛾科,是一种远距离迁飞的暴发性害虫。主要为害稻、麦、粟、黍、玉米、高粱、糜子、甘蔗等作物,也为害禾本科牧草和芦苇。野生寄主有蟋蟀草、狗尾草、画眉草、马唐等禾本科杂草。大发生时当主要寄主作物及野生植物被吃光后,也为害各种树木(如柳、榆)、果树(如苹果、柑橘等)、蔬菜(如白菜、辣椒等)、油料(如大豆、花生等)和绿肥(如苜蓿等)等作物。粘虫是发生范围广、危害大的全国重大害虫。 Mythimna separata, Lepidoptera, Noctuidae, is a fulminant pest that migrates remotely. The main damage to rice, wheat, millet, millet, corn, sorghum, millet, sugarcane and other crops, but also for the grass and reed grass. Wild host cricket grass, Setaria, thrush, Crabgrass and other grass weeds. When the major host crops and wild plants are eaten, it also damages various trees (such as willow and elm), fruit trees (such as apple and citrus), vegetables (such as cabbage and peppers), oilseeds (such as soybean, Peanut, etc.) and green manure (such as alfalfa) and other crops. Mythimna separata is a major pest that occurs in a wide range and has a great impact on the country.