小绿叶蝉Empoasca fla-vescens(Fab.)是山区茶园的重要害虫,除成、若虫刺吸嫩芽叶外,成虫产卵于嫩梢内导致失水,受害株芽叶萎缩,叶脉发红,叶肉脆硬,严重时芽尖及叶缘枯焦、脱落,严重影响茶叶的产量与品质、一般受害茶园减少10％以上,重者损失40％左右。芽叶被害率与百芽叶重(2叶1芽的嫩梢) Empoasca flavescens (Fab.) Is an important pest of tea plantation in mountainous area. Except for nymphs, the nymphs sprout the young shoots, the adults lay eggs in the tender shoots and lead to water loss. The damaged shoots are atrophied and the veins are red, The leaves are brittle and hard, while the shoot tips and leaf margin are scorched and fall off, which seriously affects the yield and quality of the tea leaves. Generally, the damage of the tea plantation is reduced by more than 10%, and in severe cases the loss is about 40%. Bud damage rate and 100 leaves bud weight (2 leaves 1 bud shoots)