梨尺蠖Apocheima cinevarius Pyri Yang属鳞翅目、尺蠖蛾科,由北京农业大学杨集昆副教授定为新亚种。国内已知分布在北京、天津、河北、河南、山东等省市,主要为害梨、杏、苹果、杜梨、槟沙果、山楂、桃及木材树柳、小叶杨、榆等。幼虫在梨树萌芽时为害幼芽、花蕾和嫩叶。近年来在我省祁县北团柏、牛咀、鲁村、段家窑、 Apocheima cinevarius Pyri Yang is a new subspecies of Lepidoptera, Scleroderma, and was associate professor Yang Jimei of Beijing Agricultural University. Domestic known distribution in Beijing, Tianjin, Hebei, Henan, Shandong and other provinces and cities, mainly pear, apricot, apple, pear, Penang sand, hawthorn, peach and timber trees, poplar, elm and so on. Larvae in pear sprouting damage shoots, buds and leaves. In recent years in our province Qixian North Mission Park, Niu Tsui, Lu Village, Duanjiayao,