红脂大小蠹是继松材线虫病后松树的又一高度危害森林的有害生物 ,属国家级工程治理范畴。1　发生危害现状红脂大小蠹是由北美传入我国 ,1 999年在山西省发生危害 ,2 0 0 0年疫情已扩散到山西、河南、河北 3省 1 0 0多个县 (市 ) ,发生面积达 52 .90万公顷 ,2 0 0 1年上半年发生 Red Beetle is the next pine pine nematode disease pine another highly harmful forest pests, is a national project management category. 1 Harmful Status Red Beetles are introduced into our country from North America and were harmed in Shanxi Province in 1999. The epidemic spread to more than 100 counties (cities) in Shanxi, Henan and Hebei provinces in 2000, Occurred area of ​​529000 hectares, occurred in the first half of 2001