大青叶蝉又名大绿浮尘子、大绿叶蝉,食性杂,为害杨、柳、榆、槐等多种林木和果树,为害作用最大的是成虫在枝条皮层内产卵,破坏皮层,可以造成死枝、死树,尤其对幼树的为害更大。一、形态特征1、成虫:体长7～10mm,体色青绿色,头部呈三角形、橙黄色,复眼暗绿色,前胸背板黄绿色,有绿色三角形大斑。前翅绿色,前沿浅白,端部透明,后翅烟黑色、半透明。足3对、黄色,善跳跃,腹部背面黑色,腹面 Green leafhopper, also known as the big green floating dust, green leafhopper, eating complex, damage Yang, Liu, Yu, Huai and other trees and fruit trees, the most damaging effect is the adult spawning in the branches cortex, the destruction of the cortex, you can Cause dead branches, dead trees, especially for saplings more damage. First, the morphological characteristics 1, adults: body length 7 ~ 10mm, body color turquoise, the head was triangular, orange, compound eyes dark green, yellowish green front and back panels, large green triangles. Forewing green, forefront of pale, transparent end, hind wings smoke black, translucent. Foot 3 pairs, yellow, good jumping, abdomen back black, ventral