关于卫氏并殖吸虫囊蚴在蝲蛄体内的分布,过去调查的结果不尽相同。原亲雄(1916)报告以寄生于肌肉尤以近关节处居多。阿部和浅田(1939)报告多寄生于内脏和鳃。作者等(1958)在辽宁凤城和宽甸的调查以头胸部肌肉最多,鳃和内脏最少。其寄生部位在不同地区是否相同,有进一步探明的必要。此外,囊蚴壁的层数和厚度在并殖吸虫虫种鉴 About Paragonimus westermani metacercariae distribution in the body, the results of the previous survey vary. The original pro-male (1916) report to parasites in muscle, especially near the joints at most. Abe and Asada (1939) report parasites in the gut and gills. The author (1958) in Fengcheng, Liaoning and Kuandian survey to head and chest muscles up, gills and offal at least. The parasitic sites in different regions are the same, there is a need for further proof. In addition, the number and thickness of the metacercariae wall species in Paragonimus species