角蜡以俗称白蜡故，除危害茶树外，还危害桃、梨、柿、杏等。近几年来，该虫在山东省日照市已上升为主要害虫，据调查，全市约有50％的投产茶园受到危害。受害茶园普遍表现为叶色变黄，发芽瘦小，芽头生长慢，对夹叶增多，茶叶产量和品质下降。为了减轻角蜡故的发生及其造成的? Corner wax commonly known as white wax, in addition to endanger the tea tree, but also endangered peaches, pears, persimmon, apricot and so on. In recent years, the insect has risen to be a major pest in Rizhao, Shandong Province. According to the survey, about 50% of the tea plantations in the city are harmed. Affected the tea plantations generally showed yellow leaves, germinated thin, bud growth slow, increased folder leaves, tea yield and quality decline. In order to reduce the occurrence of angle wax and its caused?