银杏超小卷叶蛾是我县银杏生产中最主要的害虫 ,全县普遍发生。发生严重年份 ,嫩枝受害率达 2 0 %以上 ,严重的达 40 %以上 ,造成严重落果 ,近年来通过药剂防治幼虫为主的措施使全县银杏嫩枝受害率控制在 1 %以内。1　为害状 　银杏超小卷叶蛾以幼虫蛀食当年生的嫩枝。为害部位 Ginkgo biloba leaf roller moth is the most important pest in the production of ginkgo, the county occurs. In serious years, the rate of damage of shoots reached 20% or more and seriously exceeded 40%, which caused serious fruit drop. In recent years, the measures of controlling larvae through pesticides have made the rate of damage of ginkgo shoots in the whole county within 1%. 1 damage-like Ginkgo superfruit leaf moth feeding on young shoots annual shoots. Damage parts