甘蓝粉虱入侵中国大陆

摘要

甘蓝粉虱是一种危险性入侵害虫，中国大陆于2012年7月在北京市朝阳区首次发现，寄主植物为抱茎苦买菜；翌年8月份又在新疆乌鲁木齐和吐鲁番发现，寄主植物为开花生菜和抱茎苦买菜。文章描述了甘蓝粉虱的危害方式、寄主植物、分布范围、识别特征、天敌种类以及传播扩散方式，并分析了在我国大陆的发展趋势和需要密切关注的区域。%Cabbage whitefly, Aleyrodes proletella (L.), was found for the first time in Chaoyang , Beijing, China in July 2012 on Ixeris sonchifolia Hance.This whitefly was found in Urumqi and Turpan , Xinjiang, China in August 2013 on blooming Lactuca sati-va L.and I.sonchifolia Hance.In this paper, we describe the damage , host plant species, distribution areas, morphological charac-teristics, natural enemies and method of dispersal of this whitefly species .In addition, we analyze the current trends of dispersal of the species and the most threatened areas in Mainland China .