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Female: Body slightly arcuate ventrally. Annules
averaging 1.2um wide on midbody. Lateral fields with 4 incisures.
Lip region rounded, set off from body, with 5 annules; framework lightly
sclerotized. Stylet well developed, 18-19 (18.5) um long;
anterior part longer than the posterior; knobs rounded, backwardly directed.
Orifice of dorsal oesophageal gland 3.5 um behind stylet base.
Hemizonid 2 body annules long, 2 annules anterior to excretory pore which
lies at base of isthmus. Oesophagus typical of the genus;
basal bulb offset from intestine.
Vulva a transverse slit, lacking epiptygma or lateral
membranes. Ovaries paired, outstretched. Spermatheca rounded,
with sperms. Tail cylindrical, 2.8 anal body widths long, ending
in a bluntly rounded smooth terminus, with 46 annules on its ventral side.
Phasmids slightly anterior to middle of tail.
Male: Similar to female in general morphology. Spicules tylenchoid, cephalate, with pointed distal end. Gubernaculum rod-like, with proximal end directed forward when seen laterally. Bursa well developed, completely enveloping tail. Phasmids anterior to middle of tail, extending into bursa.
Type habitat and locality: Soil around the roots of barley (Hordeum vulgare L. ) at Bhilwara, Rajasthan, India.
Relationships: Tylenchorhynchus hordei Khan, 1972
comes close to T. cylindricus Cobb, 1913 and T. agri Ferris,
1963. T. cylindricus has stylet 24-27 um long, 15-16
annules on female tail and 25 um long spicules. T. agri
has 4 labial annules, 18-26 female tail annules and 22-25 um long
spicules.
(Description- Khan, 1993)