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本文从森林经营角度出发，对落叶松八齿小蠹的发生与防治进行了研究，探讨了落叶松八齿小蠹的发生与地形地势、水热条件、土壤及人为经营活动的关系。研究了这些环境因子与该虫发生的起因及规律性；研究了小囊虫的发生与林分生长的关系；提出了营林防治的技术方法；
In this paper, from the perspective of forest management, the occurrence and control of Larix principis-rupprechtii were studied, and the relationship between the occurrence of Larix obliquus and its topography, hydrothermal conditions, soil and man-made activities was discussed. The environmental factors and the origin and regularity of the pest were studied. The relationship between the occurrence of the cysticercus and the stand growth was studied. The technical methods for the prevention and control of the forestation were put forward.