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First report of two Balantidium species from the Chinese giant salamander, Andrias davidianus: Balantidium sinensis Nie 1935 and Balantidium andianusis n. sp.

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Two ciliated protozoa, Balantidium sinensis Nie 1935 and Balantidium andianusi n. sp., were isolated from the feces of a wild Chinese giant salamander (Andrias davidianus) captured from the mountainous area of Shiyan, Hubei Province, Central China in October 2006. It is the first report of Balantidium species inhabiting Cryptobranchoidea amphibians. The occurrence of B. sinensis in A. davidianus should be a new record because the type specimens were first discovered and named by Nie in 1935 from Rana nigromaculata and Rana plancyi. For the lack of enough descriptions of taxonomic features in the previous report, it was re-described in detail and compared with Nie’s type specimens and B. giganteum to complete the morphological descriptions in the present work. B. andianusi n. sp. was considered to be a new species based on its unique morphological characteristics, especially the high length/width ratio of the vestibulum (8:1). Comparisons were also made among Balantidium species that were found from urodele amphibians.

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We express our sincerest thanks to Prof. WS Feng for providing help in taking the photomicrographs and Prof. LX Li for the critical reading of the manuscript. We are especially grateful to Prof. JN Grim for his generous supply of information and “old” reprints. Financial support for this study was provided by the Key Science-Technology Project of Hubei Province of China under Grant No. 2007AA203A01.

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Correspondence to Jianguo Wang.

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Li, M., Wang, J., Zhang, J. et al. First report of two Balantidium species from the Chinese giant salamander, Andrias davidianus: Balantidium sinensis Nie 1935 and Balantidium andianusis n. sp.. Parasitol Res 102, 605–611 (2008). https://doi.org/10.1007/s00436-007-0795-1

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  • Hubei Province
  • Body Dimension
  • Ciliated Protozoan
  • Contractile Vacuole
  • Fresh Feces