苹果绵蚜为世界性检疫害虫,我省仅在复县以南等局部地区发生为害。 苹果绵蚜的寄主以苹果树为主,但据目前掌握也可在山楂上为害。它喜欢群聚在枝干伤口、剪锯口、老皮裂缝及新梢的叶腋或短果枝、果柄、果实梗洼和萼洼等部位为害,造成被害处形成瘤状突起,影响果 Apple aphid worldwide quarantine pests, the province only in the Fuxing County, south of some areas of damage. Apple apple aphid host apple trees, but according to the current grasp can also be harmful in the hawthorn. It likes to gather in the branches of wounds, cut the kerf mouth, old skin cracks and shoots axillary or short branches, fruit stalk, fruit stalk and calyx depression and other parts of the damage, resulting in the formation of tumor-like protuberance affected the fruit