论文部分内容阅读
大青叶蝉又名青跳蝉、大绿浮尘子。在辽宁省普遍发生,对幼龄果树危害严重。近几年辽宁省新栽了大面积果树,由于大青叶蝉危害,使大批幼树死亡,造成极大损失。据兴城1987年春对二、三年生苹果树调查,大青叶蝉大发生果园,死亡株率达75%以上。平地及菜田附近定植的幼树被害严重。此虫以成虫在幼嫩树皮产卵造成危害。卵产在幼树的枝干及当年生枝的皮层内,产卵前用产卵管
Green leafhopper, also known as green jumped cicadas, big green floating dust. In Liaoning Province, widespread occurrence, serious harm to young fruit trees. In recent years, Liaoning Province has planted a large area of new fruit trees, causing damage to a large number of young trees due to the damage caused by the green leafhopper, resulting in tremendous losses. According to Xingcheng 1987 spring two or three year apple tree survey, large leafhopper occurred in orchards, death rate of more than 75%. The saplings planted near the fields and vegetable fields were severely beaten. This worm to adults in the young bark spawning harm. Ovipariasis in the young tree branches and then the branches of the cortex, spawning before oviposition