一、前言松干介壳虫近年来已成为赤松、油松、马尾松和黑松的主要害虫,先后在山东、辽宁、江苏、浙江一带发生危害。被害松树,严重者致使枝干弯曲,成片死亡。因此,搞好松干介壳虫的防治工作,对于坚决贯彻执行“备战、备荒、为人民”的伟大战略方针,具有重大的政治和经济意义。 I. Preface Song dry scale insects in recent years has become a major pine, pine, Pinus thunbergii and the main pests, successively in Shandong, Liaoning, Jiangsu, Zhejiang area harm. Victims of pine, in severe cases caused the branches to bend, into pieces of death. Therefore, to do a good job in the prevention and control of scale fire and scale insects has great political and economic significance for resolutely implementing the great strategic principle of “preparing for war, preparing for waste and for the people.”