山楂粉蝶 Aporia Cratagi L 属鳞翅目,粉蝶科。是内蒙古果区主要的芽蕾期害虫。从1982年开始课题组对土默川一带果树的山楂粉蝶害虫进行了系统的研究工作。发现山楂粉蝶在幼虫期、蛹期均有病毒感染而死亡的达42.5%。随之就将染病虫体进行磨碎、过滤、分离、提纯、后经磷钨酸负染制片,电镜照相,并得到内蒙古大学微生物学付 Hawthorn butterfly Aporia Cratagi L. Lepidoptera, Pieridae. Inner Mongolia is the main bud bud stage pests. Since 1982, the research team conducted a systematic research work on hawthorn-like insect pests of fruit tree in Tumochuan area. Found hawthorn butterfly in the larval stage, pupal stage virus infection and death rate of up to 42.5%. Followed by the infected plants will be grinding, filtration, separation, purification, after negative staining by phosphotungstic acid production, electron microscopy, and Inner Mongolia University Microbiology paid