This research was conducted to assess the feeding performance of Daphnis nerii (L.) (Lepidoptera: Sphingidae) on three Apocynaceae plant species (Allamanda cathartica L.

• 本研究在探讨夹竹桃天蛾在三种夹竹桃科植物（软枝黄蝉、日日春、及黄花夹竹桃）上的取食表现。