八十年代末期以来,假眼小绿叶蝉已上升为我县茶区的头号害虫。全县8.1万亩茶叶普遍发生了该虫的为害,其中为害程度超过5级(9级分级法)的面积在4万亩以上,占总面积的50％;全县每年因此损失的干茶在600t以上,相当于总产的9％～15％。 1990年以前,我县假眼小绿叶蝉的防治技术问题一直没有得到很好解决。除了没有找到高效适宜药剂和施药方法不当等问题外,一个重要的问题没有科学的防治指标,盲目施药。有的茶场见虫就施药,有的则要 Since the late eighties, the false green leafhopper has risen to number one pest in my county tea area. The county 8.1 million mu of tea generally occurred the pest damage, of which more than 5 harmful levels (9 grading) area of ​​4 million mu or more, accounting for 50% of the total area; the county annual loss of dry tea in the 600t above, equivalent to 9% to 15% of the total output. Prior to 1990, the prevention and treatment of false leafhopper in our county had not been well solved. In addition to failing to find suitable and effective pharmaceuticals and improper application methods, one important issue is that there is no scientific indicator for prevention and control and blind application of pesticides. Some tea plantations see insecticide, while others have to