近些年,白粉虱已成为大棚等设施蔬菜的主要害虫之一,主要危害瓜类、茄果类、豆类、叶菜类等蔬菜。其成虫和幼虫密集在蔬菜叶片背面吸食汁液,使叶片萎蔫、退绿、黄化甚至枯死,还分泌大量蜜露,引发煤污病,严重影响光合作用,白粉虱同时还能传播病毒,引起蔬菜病毒发生。防治大棚白粉虱采取以下综合措施: In recent years, whitefly has become one of the major pests of greenhouse vegetables and other facilities, the main endanger melons, solanaceae, beans, vegetables and other leafy vegetables. Its adults and larvae dense in the back of the leaves of vegetables to drink juice, so that the leaves wilted, back green, yellow or even dead, but also secrete large amounts of honey dew, causing coal pollution, seriously affecting photosynthesis, whiteflies can also spread the virus, causing vegetables Virus occurs. Greenhouse whitefly control measures to take the following comprehensive measures: