1、“小虫”成灾日益严重当前茶叶生产中茶小绿叶蝉和茶叶螨类的发生、为害普遍严重。由于它们体躯细小(0.1～3 mm)又是以刺吸方式进行为害,为害初期症状不明显而不易发现,到了为害后期新梢发生焦边、焦颠或叶片变黄、变暗、卷缩或脱落,才被发现,无意中则是助长了它们的发生。加之防治措施不当而近年 1, “bug ” increasingly serious disaster As the current tea production in small green leafhopper and tea mite occurrence, the damage is widespread. Because of their small body size (0.1 ~ 3 mm) is the way to suck punctured damage, damage the initial symptoms are not obvious and easy to find, to the late occurrence of damage to the shoot side of coke, coke or leaves yellowing, darkening, curling or Lost, it was discovered, inadvertently contributed to their occurrence. In addition to improper prevention and control in recent years