松材线虫病是松林上的毁灭性病害。松村线虫能够通过木质包装箱、木质铺垫材料、针叶木材和土壤等远距离传播，通过媒介昆虫近距离传播、扩散，导致大面积松林枯萎，危害极大，应加强检疫管理，防止松材线虫传入。１．经济意义松材线虫病是日本森林最严重的病害，政府每年用于 Pine wilt disease is a devastating disease on pine forests. Matsumura nematodes can be spread long distances through wooden crates, wooden paving materials, softwood timber and soil, and spread through medium-sized insects at close range, resulting in the withering of large-scale pine forests. Therefore, quarantine management should be strengthened to prevent the growth of pine wood nematodes Incoming. 1. Economic significance Pine wilt disease is the most serious disease in Japan’s forests, the government used each year