前言苹果卷叶虫种类繁多,北方苹果区发生普遍,尤其在苗圃、幼龄果树及管理粗放的果园受害更重.造成树势衰弱,生长缓慢,延迟进入结果期.严重者可将幼树毁掉。给发展果树事业带来很大损失.据文献记载:在东北及华北地区苹果卷叶虫类有以下七种:1.苹果小卷叶蛾 Introduction Apple leaf roller species a wide range of common occurrence in the northern apple area, especially in nurseries, young fruit trees and extensive management of orchards suffer more, resulting in bouts of weakness, slow growth, delayed access to the results of serious cases of sapling Off To the development of fruit trees cause great losses.According to the literature: In the northeast and north China apple curlworm has the following seven: 1 apple leaf roller