【目的】为明确栎黄枯叶蛾Trabala vishnou gigantina Yang幼虫的发育状况,以便进行预测预报及采取防治措施。【方法】通过野外采......

An insecticidal sesquiterpene polyol ester,angulatin A,was isolated from the root barkof Celastrus angulatus.Its structu......