The LC50 on Apismelliferal L were 1659.96mg/L and 9213.06mg/L by intake and spraying methods, the coefficient of ground bait were 0.60 and 0.11. The toxicity of the EC was low on bee.

• 测得0.；2%25苦皮藤素乳油对意大利蜜蜂的饲喂与触杀毒性LC50分别为1659