Extraction of insecticide constituents from Trigonella foenum-graecum L.by supercritical fluid CO_2 extraction(SFE-CO_2)method was optimized and the contact toxicity of extracts to Rhyzopertha dominica Fabricius were assayed.

• 对胡芦巴Trigonella foenum-graecumL.；中杀虫活性成分进行超临界CO2萃取分离；并以主要储粮害虫谷蠹Rhyzopertha dominicaFabricius为对象；对其触杀活性进行研究。