一,前言茶园小绿叶蝉类是垦区茶园的主要害虫之一,对茶叶生产威胁很大。茶树若被为害严重,可造成当次批茶叶产量严重减产30—50％,而且还影响成品的化学成分,降低茶叶质量。历年来,许多种茶者,为了减轻为害,只好采用“采一次茶,喷一次药”的方法进行防治。采茶一年喷药30—35次,每亩农药费高达40元,一般也达15—20元。由于长期大量喷洒农药,不但增加生产成本和工 First, the foreword Small green leafhopper tea plantation is one of the main pests in the reclamation area tea plantation, a great threat to tea production. If the tea tree is severely damaged, it can cause the current batch of tea yield severely reduced by 30-50%, but also affect the chemical composition of finished products and reduce the quality of tea. Over the years, many kinds of tea-makers have resorted to the “take a tea and spray a medicine” approach in order to reduce harm. Tea picking 30-35 times a year, pesticide charges per acre up to 40 yuan, generally up to 15-20 yuan. Due to long-term mass spraying of pesticides, not only increase production costs and labor