近年来 ,紫薇绒蚧成为梁山地区石榴的主要害虫 ,其对石榴的危害性不亚于龟蜡蚧。引起石榴早期落叶、枝条干枯、树势衰弱 ,产量下降或绝产 ,严重者枝干布满白色虫体 ,致全树死亡。( 1)紫薇绒蚧的发生规律与生活习性　该虫在梁山地区 1年发生 2代 ,以成虫和若虫附在枝干上吸食汁 In recent years, Lagerstroemia indica has become the main pest of pomegranate in the Liangshan area, its harmfulness to pomegranate as much as turtle wax scale. Caused early pomegranate leaves, withered branches, tree weakness, production decline or abortion, severe branches covered with white parasites, resulting in death of the whole tree. (1) Occurrence and habits of Crape myrtle crassipes The pest occurs in the Liangshan area for 1 year, takes the adults and nymphs attached to the stems and suctions