经初步统计，在辽宁省为害针叶林的小蠹有３０种。引起小蠹发生的原因主要是松毛虫Ｄｅｎｄｒｏｌｉｍｕｓｓｐｐ．、日本松干蚧Ｍａｔｓｕｃｏｃｃｕｓｍａｔｓｕｍｕｒａｅ、落叶松枯梢病Ｂｏｔｒｙｏｓｐｈａｅｒｉａｌａｒｉｃｉｎａ等森林病虫害的严重危害。通过监测、测报准确掌握先锋种及优势种发源地的分布和动态，在重点压低虫源的基础上，促进林木健康生长应作为根治小蠹的主要措施。 After preliminary statistics, there are 30 species of beetles damaged in coniferous forests in Liaoning Province. Caused by the occurrence of small beetle is mainly caused by Dendrolimus spp. , Matsucoccus mudsumurae, Botryosphaerialaricina, and other forest pests and diseases. By monitoring and measuring accurately the distribution and dynamics of the pioneer species and the dominant species, the key measures to rootstock beetle are to promote the healthy growth of trees based on the emphasis on the source of insects.