一、分布与危害天幕毛虫,别名梅毛虫、春粘虫、带枯叶蛾等。鳞翅目、枯叶蛾科。华北、东北、西北、华中、华东等地区均有发生危害。为园林树木上发生较早的一种食叶害虫。主要危害杨、柳、山桃、海棠、黄刺梅、杏、山楂、苹果等多种果树和林木。严重时可将整枝、整株树叶吃光。幼虫群集吐丝结成网幕,取食嫩芽和叶片。二、形态特征成虫:雌蛾体长22～24毫米,翅展29～39毫米,褐 First, the distribution and damage Atrium caterpillars, alias plum, spring armyworms, with dead leaf moths and so on. Lepidoptera, Lepidoptera. North China, northeast, northwest, central China, East China and other regions have occurred harm. For the garden trees occurred earlier on a leaf-feeding pests. Major hazards Yang, Liu, Peach, Begonia, yellow thorn plum, apricot, hawthorn, apples and other fruit trees and trees. Severe pruning, the whole plant leaves eaten. The larva cluster spit into a net, feeding on shoots and leaves. Second, morphological characteristics Adult: female moth body length 22 ~ 24 mm, wingspan 29 ~ 39 mm, brown