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茶树上的害虫种类很多,为害性大。如广东省已记载的茶树害虫就有120种。近年来,随着栽培制度和技术的改进,农药、化肥的大量施用,茶园中害虫的种群相已发生了显著变化,较为突出的就是一些新种类的出现,一些原来不为害茶的种群转而为害茶树,且数量日益上升,为害猖獗;一些原先在茶园发生很少的,属次要的害虫变为优势种群,对茶叶生产构成严重威胁。本文报道的是广东茶区当前发生较多、威胁性较大的几种茶树新兴害虫。
Many kinds of pests on the tea tree, harmful. For example, there are 120 species of tea tree pests recorded in Guangdong Province. In recent years, with the improvement of cultivation system and technique, the large-scale application of pesticides and chemical fertilizers, the population of pests in tea plantations has undergone significant changes. The more prominent ones are the emergence of some new species. Some of the original populations that did not harm tea turned to Tea tree damage, and the increasing number of pests, rampant; some of the original in the tea plantations are minor pests into dominant populations, pose a serious threat to tea production. This article reports the emergence of several new pests of tea plants in Guangdong tea area, which are currently occurring more and more threatening.