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桑褶翅尺蛾(Zamacra excavata)在内蒙古东部分布于通辽、赤峰两市,主要危害山杏(Armeniaca sibirica)灌木林。为预测桑褶翅尺蛾的发生(危害)程度,根据2012—2016年赤峰市阿鲁科尔沁旗山杏林内的调查结果,确定了在30a生山杏林内,以老熟幼虫虫口数量为测报指标的发生(危害)程度分级标准:38条/株以下为轻度,39~70条/株为中度,71条/株以上为重度。结合整型修剪,剪除卵块和翻树盘是阿鲁科尔沁旗两种常用营林防治措施。
Zumacra excavata is distributed in two cities of Tongliao and Chifeng in the eastern part of Inner Mongolia, and mainly endangers Armeniaca sibirica shrubs. In order to predict the degree of occurrence (harm) of moths, according to the results of the investigation of armeniaca sibiricus in Aruqerqin Banner of 2012-2016, it was determined that the population of mature moths (Hazard) Grading standards: 38 per plant or less, 39 to 70 per plant, moderate, 71 per plant or more. Combined with the integer pruning, cutting off the egg block and turning the tree tray is Arukhar Qin Banner two common forest management measures.