Helicotylenchus, Steiner, 1945
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publication ID |
https://doi.org/ 10.11609/JoTT.o2342.974-7 |
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persistent identifier |
https://treatment.plazi.org/id/03E60571-6522-FFA3-2904-FE43FD0C1877 |
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treatment provided by |
Carolina |
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scientific name |
Helicotylenchus |
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Helicotylenchus dihystera (Cobb, 1893) Sher, 1961 ( Fig. 3 View Figure 3 )
Material examined: 5 females, 03.i.1999, coll. B. Mitra, Reg.No. IV/1921.
Host: Wet Moss along with soil at the bank of Priyadarshini Lake (PDL).
Measurements: Females (5): L = 0.54-0.83 mm; a = 20-32; b = 4.5-6.4; c = 44-46; c´ = 1.0-1.3; V = 12-1560 - 6611-13
Description
Female: Body spiral. Cuticle with distinct transverse striae. Lip region continuous with body, hemispherical bearing four annules. Cephalic framework conspicuous. Lateral fields marked by four incisures. Stylet 24-26 µm long, basal knobs concave. Oesophagus with gland overlapping ventrally. Spermatheca rounded offset, without sperms. Tail dorsally convex-conoid usually with slight ventral projection.
Male: Not found.
Distribution: This is a cosmopolitan and widely distributed species.
µm
50
µm
50
Remarks: First time reported from Antarctica.
Order: Dorylaimida Pearse, 1942
Superfamily: Dorylaimoidea De Man, 1876
Family: Qudsianematidae Jairajpuri, 1965
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