摘要
本文以１２２种天牛昆虫为资料，对吉林省天牛科昆虫区系作了系统研究．在昆虫地理区划上属于古北地区，中国——喜马拉雅山亚地区．从起源上，东部地区以东方种类为主，西部地区以中亚细亚及东方成分为主，在水平分布上，其种类数量由东到西逐渐减少，危害程度逐渐增大，而垂直分布，随着海拔增高，种类减少．青杨脊虎天牛、青杨楔天牛、光肩星天牛、云杉大墨天牛等４种为主要林木害虫．光胸膜花天牛（ＮｅｃｙｄａｌｉｓｐｅｎｎａｔａＬｅｗｉｓ）属吉林省新记录．
Based on data of 122 insect species which belong to the Cerambycidae,asystematic analysis was made on the fauna of Cerambycidae insects in Jilin Province.This type of insects belong to the Ancient North Region and China-Himalaya Subregionin insect geographical divisions.In view of species origin,the insects in east regions aremainly composed of oriental species,while those in the west parts are mainly composedof middle Asia and oriental species. The numbers of species decrease from east to west,but the harmful effects caused by them increase in the same direct in Jilin Province,Thenumbers of species decrease with the increase in elevations.Four species among the Cer-ambycidae insects are main pests to forest trees. Necydalis pennata Lewis is a newrecording species in Jilin Province.
