苹果绵蚜是目前苹果生产中主要害虫之一,苹果枝干被害後形成瘤状的虫瘿,影响苹果的生长发育和花芽分化,因而树龄缩短、产量低减和品质变劣;其次,由於瘤状虫瘿的破裂,容易招致其他病虫害的侵袭,更加重了苹果树的灾难,管理差的果园甚至有全园被毁而 Apple aphid is currently one of the major pests in apple production. After the apple branches were killed, the tumorous nematodes formed, affecting the apple’s growth and development and flower bud differentiation. As a result, the tree age was shortened, the yield was reduced and the quality was deteriorated. Secondly, Pest 瘿 rupture, easily lead to the invasion of other pests and diseases, more of the disaster of the apple tree, poor management of orchards and even the whole garden was destroyed