利用微细管局部点滴方法测定了溴氰菊酯和敌百虫对浙江省马尾松毛虫的触杀毒力。结果表明：马尾松毛虫在浙江省一些地区已经产生了抗性。建议停止使用敌百虫，溴氰菊酯则应减少使用。最后提出了马尾松毛虫抗性测定的标准 Toxicity of deltamethrin and trichlorphon to contact toxicity of Dendrolimus punctatus Walker in Zhejiang Province was determined by microtitre local spotting method. The results showed that: Dendrolimus punctatus in some areas in Zhejiang Province have produced resistance. Proposed to stop using trichlorfon, deltamethrin should be reduced use. Finally, the standard of determination of resistance of Dendrolimus punctatus was proposed