The volatiles emitted from Platycladus orientalis were extracted by four different solvents(Petroleum,Hexane,Ethanol and Methylene dichloride),and the Electroantennogram(EAG) responses of Semanotus bifasciatus to them were recorded.

• 研究测定了侧柏的不同溶剂提取物对双条杉天牛的触角电位(EAG)反应。