温室白粉虱可为害黄瓜、菜豆、豇豆、茄子、白菜、莴苣等多种蔬菜及花卉等。该虫以成虫和若虫吸食植物汁液,使被害叶片褪绿、变黄、萎蔫。由于该虫繁殖速度快、繁殖力强。在18～21℃的情况下,约1个月就可繁殖1代,在北方1年可繁殖10余代,故一旦发生就种群庞大,并群聚为害,还能分泌出大量蜜露,严重污染果实和叶 Greenhouse whitefly can harm cucumbers, beans, cowpea, eggplant, cabbage, lettuce and other vegetables and flowers. The worm to adult and nymphs to take plant juice, the victim leaves chlorotic, yellowing, wilting. As the worm breeding speed, reproductive ability. In the case of 18 ~ 21 ℃, about 1 month can breed 1 generation, 1 year in the north can reproduce more than 10 generations, so in the event of a large population, and cluster damage, but also the secretion of a large number of honey dew, serious Contamination of fruits and leaves