茶尺蠖是我省为害茶树主要害虫之一 ,以幼虫咀食嫩梢。发生严重时 ,老叶、嫩茎将被幼虫食尽 ,严重影响茶叶产量 ,并且树势衰弱。目前绝大部分茶场和茶农多采用化学农药防治。化学农药不仅污染茶园生态环境 ,而且在杀死茶尺蠖的同时 ,也杀伤了大量天敌 ,还存在农药残留问题。因 Tea scallions is one of the major pests in tea plantations in our province, with young larvae feeding young shoots. Occurred serious, the old leaves, young stems will be depleted of larvae, seriously affecting the yield of tea, and the tree is weak. At present, most tea farms and tea farmers to use more chemical pesticide control. Chemical pesticides not only pollute the ecological environment of tea gardens, but also kill the tea scallops, but also kill a large number of natural enemies, pesticide residues still exist. because