Eight species of Ichneumonidae parasitizing Dioryctria rubella Hampson in Shenyang were reported.Three of them,Sinophorus fuscicarpus(Thomson),Gelis cinctus(Linnaeus) and Scambus buolianae(Hartig),were new records for China.The parasitization was 28.6%.Some cases about the investigation on the natural enemies of borers were discussed.