Coleoptera:Curculionidae) and 4 strains of Cryptolestes ferrugineus (Stepens)(Coleoptera:Cucujidae) resistant to phosphine were tested for corss resistance to fenitrothion and to chloropicrin.

• 用4个谷蠹、5个米象和4个锈赤扁谷盗磷化氢抗性品系进行了磷化氢抗性品系害虫对杀螟松和氯化苦的交互抗性试验。