By using Abraxas miranda as the subjects and the feeding capacity and weight growth as the indexes,thd activities of different solvent extraction of Daphne genkwa (DG) were tested with the method of choice and no choice feeding.

• 以卫矛尺蠖和斜纹夜蛾为试虫 ；以取食量及虫体增重为指标 ；用选择性和非选择性取食法测定乙醚等 7种溶剂浸提芫花茎皮粉 5 d后的浸提液 .