7-8th are not elongated, but basal process reduced, most of sample belong to this, including Panorpa jilinensis Zhou,Panorpa magna Chou and so on;

• 第7、8 腹节不延长但基部缢缩,包括长白山蝎蛉Panorpa changbaishana,大蝎蛉Panorpa magna Chou 等14 种;