Gas chromatographic analysis showed that titer of sex pheromone collected by SPME was obviously lower than that by SGE and a new component appeared with longer retain time and higher titer.

• 气相色谱分析表明 ,固相微量萃取法收集的性信息素各组分的含量明显低于单个腺体提取法提取的性信息素各组分的含量 ,而且出现了一个保留时间较迟的含量较大的一个组分。 各组分间的相对比例较高。