Helicotylenchus minzi Sher, 1966

Bohra, Padma, 2012, Twelve species of nematodes: new records for India, Journal of Threatened Taxa 4 (9), pp. 2889-2899 : 2892

Helicotylenchus minzi Sher, 1966

( Fig. 1 , G–H and Image 4 A–B )

Material examined: Three females, 27.7.2009, Coll. P.Bohra, Reg. No. IV/2331 & 2277.

Measurements: Females: L = 0.61–0.80mm; a = 26–34; b = 5.5–6.4; c = 46–71; c´ = 0.5–1.0; V = 60–65.

Description: Female: Body in loose spiral shape. Lip region truncated, marked by 5 annules. Stylet 26– 28µm long, basal knobs indented anteriorly. Excretory pore anterior to oesophago–intestinal, junction. Hemizonid at level of excretory pore. Female reproductive system amphidelphic. Spermatheca offset; with sperms. Phasmids 2–4 annules anterior to anus. Tail more curved dorsally, terminus irregularly

hemispherical bearing 10–11 annules.

Habitat: Collected from moist soil around the bank of Pichola lake, Udaipur District, Rajasthan, India.

Remarks: H. minzi can be distinguished from H. canadiensis by having shorter stylet; (stylet 30–33µm; female tail terminus hemispherical to irregularly hemispherical with six to 12 annules in H. canadiensis ).

Figures

Figure 1. Zanenchus zanchus Siddiqi, 1979 A - Anterior end; B - Posterior end. Helicotylenchus californicus Sher, 1966 C - Anterior end; D - Posterior end. Helicotylenchus densibullatus Siddiqi, 1972 E - Anterior end; F - Posterior end. Helicotylenchus minzi Sher, 1966 G - Anterior end; H - Posterior end. Helicotylenchus talonus Siddiqi, 1972 I - Anterior end; J - Posterior end. Neodolichorhynchus judithae (Andrássy, 1962) Jairajpuri & Hunt, 1984 K - Anterior end; L - Posterior end.

Image 4. Helicotylenchus minzi Sher, 1966. A - Entire Female; B - Posterior end.