Both B.hofmanni and B.hellenicus were new record species in China. They were isolated from new hosts, Armand pine(Pinus armandii) and Yunnan pine(P.yunnanensis), respectively.

• 后 2种为我国新记录种 ；其寄主分别是华山松 (Pinusarmandii)和云南松 (P .；yunnanensis)；为该 2种线虫的世界新寄主记录。