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Indian Journal of Nematology
Year : 2004, Volume : 34, Issue : 2
First page : ( 196) Last page : ( 199)
Print ISSN : 0303-6960.

Telotylenchoides bhutanensis Sp. N. (Tylenchida: Telotylenchidae) from Bhutan

Ganguly Sudershan1,*, Lal M.1, Procter D.L.C.2

1Division of Nematology, I.A.R.I, New Delhi 110012.

2Education Programme, University of Northern British Columbia, Chnada.

*E-mail: sg_nema@yuhoo.com

Accepted:  October,  2004.

Abstract

Telotylenchoides bhutanensis sp.n., isolated from an unidentified grass from Bhutan, is diagnosed and differentiated from other two species of the genus by having conspicuous phasmids in shallow pits and a rounded tail terminus with abnormally thickened cuticle in both the sexes. T. bhutanensis sp.n. is characterized by having females with L = 480 -580 pm; a = 26.6 -32.2; b = 3.1 -5.2; b = 2.9 -4.4; c = 16.5 -26.6; c = 1.5 -2.4; V = 60.14 -62.06%; stylet = 18–20 pm; dgo = 3.0 -3.5 pm; excretory pore = 76 -103 pm; tail = 28–35 pm; h=8–9 pm; continuous hemispherical head with 5–6 annules, stylet with rounded knobs, oesophagous with an ovate median bulb, oesophageal glands overlapping the intestine dorosolaterally in the form of a long lobe, gonad didelphic amphidelphic, lateral field with four incisures without areolation, the outer two lines, crenate, phasmids in distinct shallow pits located in the posterior half of the tail, and a cylindrical to clavate tail with broadly rounded annulated terminus comprised of abnormally thickened cuticle in both the sexes. Spicules not distally flanged, gubernaculum simple; bursa low with crenate margin, reaching upto the tail terminus.

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Key words

Bhutan, new species, Telotylenchoides bhutanensis sp.n., grass.

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