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白粉虱食性极杂,寄主种类达121科898种(含39种变种。)主要危害温室、大棚及露地的瓜类、番茄类、豆类等蔬菜和草莓。成、若虫群居在叶片背面吸食汁液,分泌蜜露诱发煤污病。被害叶片褪绿、变黄,植株长势衰弱,甚至全株萎蔫、死亡。已知可传播5种蔬菜病毒病,一般可造成二成减产,个别地块甚至绝收。防治温室白粉虱应认真贯彻预防为主,综合防治的方针,切实作好秋、冬、春季加温温室
Whitefly feeding is extremely complex, with 121 host families of 898 species (including 39 varieties). The major hazards are greenhouses, greenhouses and open-field melons, tomatoes, beans and other vegetables and strawberries. Into, nymphs on the back of the leaves to drink juice, honey dew secretion induced coal pollution. Victims of leaves chlorotic, yellowing, weak plants grow, or even wilted whole plant, died. Known to spread 5 kinds of vegetable virus disease, can generally lead to cut into two, some even even the absolute lot. Prevention and control of greenhouse whitefly should conscientiously implement the principle of prevention, comprehensive prevention and control, earnestly make autumn, winter and spring warming greenhouse