湘西柑桔粉虱类害虫危害特征及防治策略

Damage Characteristic of Whitefly and Control Strategy in Citrus Orchard in Western Hunan

通过系统调查湘西州吉首市周边的柑桔粉虱类害虫,发现湘西州柑桔粉虱主要是黑刺粉虱,其次是柑桔粉虱,黑刺粉虱在湘西1年发生4代,存在世代重叠,柑桔粉虱主要发生在9月份和10月份,其它时间很少发生。黄板对黑刺粉虱和柑桔粉虱成虫的诱杀效果明显,可作为监测和防治柑桔粉虱类害虫的有效手段。

The whiteflies in citrus orchard were investigated around the city of Jishou, Xiangxi Province. The results showed that Aleurocanthus spiniferus was the main pest. Aleurocanthus spiniferus has 4 generations in a year in Xiangxi, and overlapping generations, Dialeurodes citri occurred mainly in September and October, rarely occured in other time. The yellow-board were attractive to the two species of whitefly adults in citrus. So, the yellow-board could be used as an effective means for monitoring and control of Citrus whitefly.