近年来，我省发树主要病虫的发生较为频繁，发生危害较为严重的有茶毛虫、丽纹象甲、黑刺粉虱、小绿叶蝉、椰园蚧、叶螨类等10余种。因过去传统的防治方法是采用化学农药防治，所以在取得防治效果的同时，也带来了一些弊病，如害虫产生了抗药性、致使天敌的大量伤亡、茶叶... In recent years, the main pests and diseases of the tree growing in our province are more frequent, more serious occurrence of more than 10 species of tea caterpillars, Reina image, black spiny whitefly, small green leafhoppers, coconut garden scale, spider mites. Because of the traditional control methods used in the past is the chemical pesticide control, so in the prevention and control of the effect, but also brought some disadvantages, such as pests have resistance, resulting in a large number of natural enemies of casualties, tea ...