Abstract: Objective Objective To investigate the epidemic situation of trematode Aspidogastrea in the Huaihe River. Methods Methods The mussels in the Huaihe River were collected，numbered and dissected to detect the trematode；and the species of trematodes were identified after dyeing. Results Results Totally 79 mussels were collected，and the trematode Aspidogastrea were found from 23 mussels with the infection rate of 29.11%；209 trematode Aspidogastrea were collected and the average infectiosity of mussels was 9.09. Conclusion Conclusion Trematode Aspidogastrea is endemic in the Huaihe River and the species is Aspidogaster sp.

Key words: Huaihe River； Mussels； Aspidogastrea； Trematode； Survey

摘要： 目的 目的 调查淮河水系盾盘吸虫孳生情况。 方法 方法 采集淮河水系淮南流域孳生的河蚌， 编号并解剖分离蚌体内 的吸虫， 染色制片后鉴定虫种。 结果 结果 在淮河水系淮南流域共捕获79只河蚌， 其中23只感染盾盘吸虫， 感染率为 29.11%； 共检获盾盘吸虫209条， 感染性河蚌的平均感染度为9.09条/蚌。 结论 结论 淮河水系淮南流域有盾盘吸虫孳生， 经 鉴定为腹盾属吸虫 （Aspidogaster sp.）。

关键词: 淮河； 河蚌； 盾盘亚纲； 吸虫； 调查