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榆尺蠖(Apocheima einerarius Er-schoff)是榆树的主要害虫,又称春尺蠖、沙枣尺蠖、柳尺蠖。1980年在我旗大黑河的柳匠滩林场和朝克文都的黄羊城林场始见其危害。1981年榆尺蠖突然暴发成灾,发生区域遍布我旗农区东北部四个乡的榆树种植区,在短短的半个月内有2000亩榆树遭受其侵害,严重地影响着树木的正常生长,给我
Apocheima einerarius Er-schoff is the main pest of the elm tree, also known as spring vernal 沙, jujube 蠖 蠖, willow 蠖. In 1980, the damage occurred at the Yanjiang Artificial Forest Park in the Great Heihe Banner of My Banner and the Huangyangcheng Forest Farm in Wenkendu. In 1981, the sudden rupture of the elm tree suddenly took place in the irrigated area of the four towns in the northeast of the northeastern Inner Mongolia Autonomous Region. In a short span of two months, 2,000 mu of elm trees were infringed upon and seriously affected the normal growth of trees ,give me