Two peaks were found in an emergence curve for the adults in a year, indicating that overwintering adults as well as post-eclosion adults strongly aggregate in response to aggregation pheromones.

• 全年扬飞曲线共出现两次扬飞高峰，证实云杉八齿小蠹的越冬成虫和新羽化出的成虫都能对信息素发生强烈的聚集反应。