黄杜鹃花提取物在室内以拌土法、喷雾法、浸渍法处理美洲斑潜蝇蛹 ,结果其羽化率有不同程度下降。 0 .0 5%闹羊花素 -Ⅲ和 1 %乙酸乙酯 (EtOAc)萃取物对成虫取食忌避率分别达 76.57%和75.4 2 %。田间施用 1 %EtOAc萃取物后 1 1天 ,防治效果为 70 .62 %、叶面保护率为 79.2 5%,均明显高于 0 .0 4 5%杀虫单的效果 Yellow rhododendron extract in the room to soil mixing method, spray method, dipping method processing Liriomyza sativae pupae, the results of its emergence rate of decay to varying degrees. 0 .0 5% of shelled wool-Ⅲ and 1% ethyl acetate (EtOAc) extracts of adult feeding avoidance rates were 76.57% and 75.4 2%. Field application of 1% EtOAc extract 1 1 days after the control effect of 70.62%, foliar protection rate of 79.2 5%, were significantly higher than the effect of 0.045% pest control