近年广西银杏虫害发生和蔓延日趋严重，为害区域不断扩大，特别是钻蛀性害虫，多集中在３～７月为害，造成很大损失。钻蛀性害虫主要有四类。 银杏超小卷叶蛾：幼虫体长１～１．３ｍｍ，孵化后即爬到短枝顶端凹陷处取食，并吐丝结稀薄网，经１～２天蛀孔钻入枝条横向食害，在侵 In recent years, the incidence and spread of ginkgo pests in Guangxi are more and more serious. The damage areas are continuously expanding, especially the borer insects, which are mostly concentrated in March and July, causing great losses. There are four main types of borer pests. Ginkgo superfamily leaf roller: larvae body length of 1 ~ 1.3mm, after hatching to climb to the top of the depression depression feeding, and spit silk thin network, after 1 to 2 days bore hole into the lateral damage food, invasion