烟粉虱是蔬菜生产中的重要害虫,近年来,该虫呈逐年加重发生趋势,对瓜菜的产量和质量构成了严重威胁,该虫群集于叶片背面吸食汁液,使叶片褪绿、变黄、萎蔫甚至枯死,它的分泌物能引起煤污病,通过取食可传染病毒,由于烟粉虱传播病毒使番茄黄化曲叶病毒病严重发生。由于日光温室、春棚、露地菜、秋延后蔬菜相连,实现了蔬菜周年生产,烟粉虱已无越冬、滞育现象,发生代数多,周年危害,体表蜡质,耐药性强, Bemisia tabaci (B. tabaci) is an important pest in vegetable production. In recent years, the pest showed a trend of increasing year by year, posing a serious threat to the yield and quality of the melon. The insects inhaled the juice on the back of the leaves to make the leaves chlorotic and yellow , Wilting even dead, its secretions can cause coal pollution, by feeding on the virus can be transmitted, due to the whitefly virus transmitted to tomato yellow curl virus serious occurrence. As the greenhouse, the spring shed, open field vegetables, autumn vegetables connected after the realization of the annual production of vegetables, Bemisia tabaci has no winter, diapause, occurrence of algebra, annual damage, body wax, strong resistance,