我国东北部森林害虫区系在世界陆地动物地理分区上属于古北区的东北中国亚区,该亚区除了我国东北部外,还包括我国中部、苏联乌苏里、朝鲜半岛、日本群岛。所以我国东北部的森林害虫种类与这些地区所分布的十分相同,有的是全古北区种类,有的是与其他亚区共同的种类,特别是欧洲一西伯利亚亚区,有很多共同的种类,其中主要森林害虫有:落叶松毛虫[Dendrolimus superans(Butler)= The forest pest flora in northeastern China belongs to the northeast China subregion of the Gubei district in the geographical division of the world land animal. Apart from the northeast of our country, the subtropical zone also includes central China, the Soviet Union, the Ussuri, the Korean Peninsula and the Japanese archipelago. Therefore, the species of forest pests in northeastern China are quite different from those distributed in these areas. Some are all of the Northern Gubei species, some of which are common to other sub-regions, especially in the European Siberian sub-region. Among them, the major forest Pests include: Dendrolimus superans (Butler) =