木(木尞)尺蠖Culcula panterinaria和苹果烟尺蠖Phthonosema tendinosaria为我国森林的重要食叶害虫。前者在我国分布于台湾、四川、河南、河北、山西、山东,国外分布于日本、朝鲜;后者在国内分布于四川、黑龙江、辽宁、河南,国外分布于日本、朝鲜。两者均为杂食性害虫,除为害杨、柳、榆、槐之外,对其它多种林木,果树以及大田作物均能为害。近年来,在河南的临汝、宜阳等县,这两种尺蠖同时发生,为害刺槐和核桃,仅洛阳地 Culcula panterinaria and Phthonosema tendinosaria are the major foliar pests in the forest of our country. The former is distributed in Taiwan, Sichuan, Henan, Hebei, Shanxi, Shandong and abroad in Japan and North Korea in our country. The latter is distributed in Japan, North Korea and abroad in Sichuan, Heilongjiang, Liaoning and Henan. Both are omnivorous pests, in addition to the damage of poplar, willow, elm, Huai, the other variety of trees, fruit trees and field crops can be harmful. In recent years, in Henan Ru Ru, Yi Yang and other counties, these two ruins occur at the same time, harm Robinia pseudoacacia and walnut, only Luoyang