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Tahseen, Q.; Nusrat, T. (2010). Some new and known species of genera Tripylina Brzeski and Trischistoma Cobb, 1913 (Nematoda) with a Discussion on their Relationships. Journal of nematology. 42(2): 128-138.
165718
Tahseen, Q.; Nusrat, T.
2010
Some new and known species of genera Tripylina Brzeski and Trischistoma Cobb, 1913 (Nematoda) with a Discussion on their Relationships
Journal of nematology
42(2): 128-138
Publication
Available for editors  PDF available [request]
The paper deals with description of three new and two known species of Tripylidae Orley, 1880. Two new and a known species of the genus Tripylina Brzeski, 1963 while one new and one known species of Trischistoma are described. Tripylina ymyensis n. sp. is characterised by robust body; long, slender outer labial setae; stoma with thick cuticularised wall bearing a prominent dorsal tooth and two equal-sized posteriorly-placed subventral teeth; large ovoid coelomocytes with conspicuous, globular inclusions; simple vagina without cuticularised pieces and a long, curved tail with aU- or S-shaped turn, uniformly tapering into a narrow terminus. Tripylina valiathani n. sp. is characterised by moderately large body; plump, leaf-shaped outer labial setae; stoma with thick cuticularised dorsal wall bearing a prominent dorsal tooth and two small anteriorly-placed subventral denticles; large fusiform coelomocytes with tapering ends having fine granular inclusions; cuticularised vagina, a distinct prerectum and a stumpy, laterally curved tail with a blunt terminus. T. stramenti (Yeates, 1972) Tsalolikhin, 1983 has been reported for the first time from India. Trischistoma minor n. sp. is characterised by medium-sized body; with dense crystalloids and granular aggregates; low, flattened lip region; plump outer labial setae; slenderer post-labial cephalic setae lying closely posterior to outer labials; a post-uterine sac of one body diameter and a dorsally curved tail with ventral terminal turn. T. pellucidum Cobb, 1913 forms the first report from India. The relationships of Tripylina and Trischistoma have been discussed.
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2013-01-29 08:29:25Z
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