苦皮藤(Celastrus angulata Max)又称苦树皮,属卫茅科植物,广泛分布于长江和黄河流域未开拓的山丘地带。我国农民很早以前就知其根皮粉可以防治某些蔬菜害虫。为了充分利用我省植物性杀虫剂的资源,省生产资料公司组织推广使用苦皮藤根皮粉防治某些蔬菜害虫(主要是菜青虫),菜农反映效果很好。但苦皮藤的作用方式,以及能否应用于其它农作物?研究尚不多。关于苦皮藤的作用方式问题,前人巳作过一些研究。已知苦皮藤根皮粉对天幕毛虫 Celastrus angulata Max, also known as bitter bark, is a member of the family of Wei Mao, widely distributed in the unexplored hills of the Yangtze and Yellow Rivers. Farmers in our country knew long ago that their root bark powder can prevent some vegetable pests. In order to make full use of the resources of botanical insecticides in our province, the company organized and promoted the use of bitter bark root bark powder to prevent and control certain vegetable pests (mainly cabbage caterpillar). The vegetable farmers reported good results. However, the role of bitter rattan and can be applied to other crops? Not many studies. As for the mode of action of bitter rattan, some studies have been made by the predecessors. Known bitter bark root bark powder on the sky caterpillar