灰斑古毒蛾(Orgyia ericae Ger-mar)和古毒蛾[O.antiqua(L.)]是当前吉林省果树、林木的主要食叶性害虫,也为害大豆、向日葵、麻类、黄瓜等作物,还喜食萹蓄等蓼科杂草。寄主较广。在整个作物生长季节此2种毒蛾都有发生。因其形态、生物学特性等近似,有关书刊对形态描述和主要生物学报道常有不确或混淆之 Orgyia ericae Ger-mar and O.antiqua (L.) are the major leaf-eating pests of fruit trees and trees in Jilin Province, and also crops such as soybean, sunflower, hemp and cucumber, Also like to eat 萹 萹 such as Polygonum weeds. Host wider. Both species of moths occur throughout the growing season. Because of its morphological, biological characteristics and other similar books on the description of morphology and the main biological reports are often uncertain or confused