纯竹林由于刚竹毒蛾和竹小蜂的猖獗危害，使毛竹生长受到较大影响，甚至成片衰败。防治抓“三招”可制止此灾。一、治早。春夏之际，刚竹毒蛾的越冬卵孵化成幼虫，就开始蚕食嫩竹叶。在虫口密度较小和2龄虫时，选在湿度大或雨后天气，每亩点燃白鹰菌粉炮2－3个，投放到竹梢上空 Pure bamboo as just poisonous moths and bamboo wasps rampant harm, so that the growth of bamboo have been greatly affected, and even decline into pieces. Prevention and control of “three strokes” to stop the disaster. First, cure early. Spring and summer occasion, the overwintering eggs of young poisonous moth hatch into larvae, began to erode tender bamboo leaves. Insect population density and 2 instar insects, the election in the humidity or rain after the weather, per acre ignite white eagle powder gun 2-3, put bamboo shoot overhead