梨星毛虫又名梨叶斑蛾，俗称包饺子虫，筛子底虫，为害梨、苹果、山楂、板栗、沙果等。今年在我区沙果树上大量发生，以幼虫为害叶片，把叶片包起食成筛底状，叶片枯黄，严重影响了果树的结实和树势。 一、识别 １．被害状：（１）未展叶前钻到芽内或花苞内为害；（二）展叶后 Pear cinnabar, also known as pear leaf moth, commonly known as dumplings worm, sieve end insects, pear damage, apples, hawthorn, chestnut, sand and so on. This year in my area a large number of sand fruit trees, larvae damage leaves, the leaves wrapped food into a sieve-shaped, yellow leaves, seriously affecting the fruit trees and tree vigor. First, identify 1. Harm-like: (1) did not show the leaves before the bud or bud bud damage; (B) after the exhibition leaves