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Description of a New Species of Rhabdias Stiles and Hassall, 1905 (Nematoda, Rhabdiasidae) in Duttaphrynus melanostictus (Schneider, 1899) from West Bengal, India

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Abstract

Aims

The purpose of this article is to describe a new species of Rhabdias Stiles and Hassall, 1905 from West Bengal, India. Rhabdias bengalensis sp. nov. (Nematoda, Rhabdiasidae) recovered from the lungs of Asian common toad, Duttaphrynus melanostictus (Schneider, 1899), collected from Illambazar town, Birbhum district of West Bengal, India.

Methods

The collected nematode specimens were clean by shaking them in 0.67% NaCl solution and were killed and fixed in steaming 70% alcohol; lactophenol was used as a mounting medium for light microscopic examination. The lactophenol treated specimens after examination were directly transferred to 70% alcohol and could be stored satisfactorily.

Results

The new species is named as, R. bengalensis sp. nov. (Nematoda, Rhabdiasidae), in reference to its locality of collection, West Bengal, India. The worms are small [(2.84–2.96 mm) in length], anterior end somewhat truncated and posterior end tapering. R. bengalensis sp. nov. is characterised by rounded mouth without lips, inflated cuticle, cup-shaped buccal capsule, pre-equatorial vulva and a conical tail.

Conclusion

The present nematodes, thus, appear to be new in the field of science and name R. bengalensis sp. nov. is proposed for them. R. bengalensis sp. nov. represents 17th species described from oriental region and the 10th species from India.

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Acknowledgements

Thankful acknowledgement is due to the University of Burdwan for giving us laboratory facilities. The authors are thankful to Charles R. Bursey, Professor of Biology, Department of Biology, Pennsylvania State University for providing us updated research articles. The authors thankfully acknowledge the Amphibia Section, Herpetology Division, Zoological Survey of India, Kolkata for identification of hosts.

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Authors and Affiliations

  1. Department of Zoology, Kulti College, Kulti, Paschim Bardhaman, West Bengal, 713343, India

    Sujan K. Sou

  2. Parasitology Research Laboratory, Department of Zoology, Burdwan University, Golapbag, Purba Bardhaman, West Bengal, 713104, India

    Kanchan K. Sow & Anadi P. Nandi

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  1. Sujan K. Sou
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Correspondence to Sujan K. Sou.

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Sou, S.K., Sow, K.K. & Nandi, A.P. Description of a New Species of Rhabdias Stiles and Hassall, 1905 (Nematoda, Rhabdiasidae) in Duttaphrynus melanostictus (Schneider, 1899) from West Bengal, India. Acta Parasit. 64, 171–175 (2019). https://doi.org/10.2478/s11686-018-00018-4

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