你来信说在你的杏树枝条上,发现一条条裂缝,破开发现里面有一粒粒白色虫卵……。从你来信提供的情况判断,很可能是青叶蝉为害所致。青叶蝉又叫大绿浮尘子,它的寄主很广,为害苹果、梨、桃、李、杏、葡萄、核桃等多种果树及各种作物和蔬菜,以幼树为害最烈。我省各地均有发生。青叶蝉一年发生三代。前两代 You are sending a letter saying that there is a crack in your apricot twigs that breaks open to find a grain of white eggs .... Judging from the information provided by your letter, it is most likely caused by the damage caused by leafhopper. Green leafhopper, also known as big green floating dust, its host is very wide, the damage apple, pear, peach, plum, apricot, grapes, walnuts and other fruit trees and a variety of crops and vegetables, the saplings to the worst. All over our province have occurred. Acer leafhopper occurs three generations a year. The first two generations