本文通过观察描述梨圆盾蚧的危害状、形态特征,研究查清了该虫的发生世代、生活习性,制定了综合防治措施。 In this paper, through the observation and description of the pests, pests, pests and diseases, the pests and their morphological characteristics were studied. The occurrence and habits of the pests were investigated and the comprehensive prevention and control measures were formulated.