麦蛾[Stitotroga Cerealella(oliv.)]是一种比较常见的粮贮害虫。在我县主要危害小麦,其次是玉米、高粱等。农村实行责任制后,农民各家各户有了余粮,且逐年增多,增加了此虫繁殖蔓延的场所,危害逐年加重起来。据1985、1988两年在上肖、屯字、城关等乡、镇调查,一般麦囤表面一尺左右表层被害率20—30％,贮存三年以上小麦达40—50％。粮食被害后,不但出粉率大大降低,而且严重污染、霉变,降低经济价值.影响食用 Stinging moth [Stitotroga Cerealella (oliv.)] Is a relatively common grain-storage pests. Major harm to wheat in my county, followed by corn, sorghum and so on. After the implementation of the responsibility system in rural areas, peasants have surplus grain for every household and have been increasing year by year, increasing the spread of this insect and threatening to increase year by year. According to the surveys conducted by towns and townships such as Shaw, Tuen Mun and Chengguan in 1985 and 1988, the surface damage rate of one meter or so of the surface of a wheat store is usually 20-30%, and 40-50% of wheat is stored for more than three years. After the food is killed, not only the output rate of the flour is greatly reduced, but also the serious pollution, the mildew and the economic value are reduced.