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Description of new species of Pterygorhabditis Timm, 1957 and Aspidonema (Sachs, 1949) Andrássy, 1958 (Nematoda: Bunonematoidea) in aquatic habitats from India

Published online by Cambridge University Press:  27 July 2015

Q. Tahseen ,
R. Khan  and
S. Ahlawat
Q. Tahseen*
Affiliation:
Nematode Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh-202002, India
R. Khan
Affiliation:
Nematode Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh-202002, India
S. Ahlawat
Affiliation:
Nematode Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh-202002, India
*
* E-mail: qtahseen@yahoo.com
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Abstract

The paper contains descriptions of two new species of the genera Pterygorhabditis Timm, 1957 and Aspidonema (Sachs, 1949) Andrássy, 1958 belonging to the families Pterygorhabditidae Goodey 1963 and Bunonematidae Micoletzky 1922, respectively. Species were procured from fixed samples, collected earlier from aquatic habitats. Pterygorhabditis punctata n. sp. is characterized by a cuticle with flattened hexagonal blocks arranged in eight longitudinal rows in both sexes; each metastegostomal plate with a minute denticle, and males with long, slender, fused spicules and nine pairs of post-cloacal, prominently setose genital papillae. Aspidonema formosa n. sp. is the first report of the genus from India. The species is characterized by the right side provided with 35–48 pairs of warts flanking a row of smooth membranous shields and surrounded by a well-developed network and an anisomorphic metastegostom without discernible armature. Species are compared with other congeners, together with the diagnoses of amended genera, and keys to the identification of species are provided.

Type
Research Papers
Information
Journal of Helminthology , Volume 90 , Issue 4 , July 2016 , pp. 398 - 409
Copyright
Copyright © Cambridge University Press 2015 

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