Published February 8, 2023
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Table 3 in Six new and four known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylaimida: Belondiroidea) from the Western Ghats of India
Authors/Creators
- 1. Nematode Biodiversity Research Lab, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India.
Description
Table 3. Measurements of Axonchium transkeiense Nair, 1973. All measurements in µm except L in mm, and in the form: mean ± s.d. (range).
| Localities | Silent Valley population | Mukkali population | ||
|---|---|---|---|---|
| Characters | Females | Males | Female | Males |
| n | 8 | 4 | 1 | 3 |
| L | 1.47 ± 0.1 (1.41–1.58) | 1.47 ± 0.1 (1.3–1.5) | 1.5 | 1.5 ± 0.1(1.5–1.52) |
| a | 34.79 ± 2.7 (31.7– 40.3) | 37.6 ± 1.3 (35.9–39.6) | 30.3 | 33.6 ± 3.3 (28.94–36.23) |
| b | 2.6 ± 0.2 (2.3–2.7) | 2.9 ± 0.1 (2.8–3.0) | 2.9 | 3.1 ± 0.1 (3.0–3.2) |
| c | 57.2 ± 3.1 (52.5–61.4) | 56.5 ± 3.8 (51.9–61.1) | 54 | 55.2 ± 1.7 (53.7–57.7) |
| cʹ | 0.85 ± 0.1 (0.78–0.9) | 0.95 ± 0.1 (0.89–1.03) | 0.9 | 0.9 ± 0.0 (0.86–0.93) |
| V | 52.3 ± 0.9 (50.8–53.5) | – | 50.5 | – |
| G1 | 6.3 ± 0.7 (5.2–7.3) | – | 6.5 | – |
| G2 | 15.4 ± 0.9 (14–17) | – | 10.8 | – |
| Body diam. at pha- rynx base | 43.38 ± 3.8 (40–51) | 40.5 ± 1.8 (38–43) | 51 | 47 ± 3.7 (43–52) |
| Body diam. at mid-body | 42.75 ± 3.5 (39–50) | 39.2 ± 1.3 (38–41) | 50 | 45.33 ± 4.7 (42–52) |
| Body diam. at anus/ cloaca | 30.2 ± 1.6 (28–33) | 27.5 ± 0.9 (26–28) | 31 | 30.33 ± 0.5 (30–31) |
| Lip region diam. | 8.75 ± 0.7 (8–10) | 8.75 ± 0.4 (8–9) | 9 | 9 |
| Lip region height | 4.1 ± 0.3 (8–10) | 4 | 5 | 4.3 ± 0.5 (4–5) |
| Amphid aperture | 5.5 ± 0.5 (5–6) | 5.5 ± 0.5 (5–6) | 6 | 5.3 ± 0.5 (5–6) |
| Odontostyle length | 9.8 ± 0.3 (9–10) | 9.2 ± 0.7 (8–10) | 9 | 8.6 ± 0.5 (8–9) |
| Odontophore length | 13.37 ± 0.7 (12–14) | 13.25 ± 0.4 (13–14) | 13 | 12.3 ± 0.5 (12–13) |
| Guiding ring from ant. end | 7.5 ± 0.7 (6–8) | 6.5 ± 0.5 (6–7) | 8 | 8.3 ± 0.5 (8–9) |
| Nerve ring from ant. end | 120.1 ± 4.7 (114–128) | 119.75 ± 5.9 (113–129) | 120 | 115.3 ± 3.7 (111–120) |
| Neck length | 571.7 ± 23.6 (538–601) | 505.5 ± 12.8 (489–524) | 521 | 478 ± 10.2 (464–488) |
| Expanded part of pharynx | 374.5 ± 27 (343–410) | 307.75 ± 7.2 (300–318) | 316 | 278 ± 5.0 (271–282) |
| Cardia length | 8.6 ± 0.9 (7–10) | 7.75 ± 1.3 (7–10) | 11 | 8 ± 2.2 (6–11) |
| Anterior genital branch | 94.1 ± 11.7 (77–111) | – | 98 | – |
| Posterior genital branch | 227.75 ± 16 (199–244) | – | 163 | – |
| Vaginal depth | 20.37 ± 0.5 (20–21) | – | 23 | – |
| Vulva from ant. end | 774.1 ± 41.1 (723–842) | – | 764 | – |
| Prerectum length | 160.5 ± 18.6 (136–193) | 179.5 ± 14.1 (165–198) | 193 | 194.3 ± 19.4 (173–220) |
| Rectum length | 35.1 ± 2.2 (31–39) | 39.5 ± 2.1 (37–42) | 35 | 40.3 ± 0.5 (30–31) |
| Tail length | 25.87 ± 1.1 (24–27) | 26.25 ± 2.4 (23–29) | 28 | 27.3 ± 0.9 (26–28) |
| Spicule length | – | 36.75 ± 1.1 (35–38) | – | 37 |
| Lateral guiding pieces | – | 9.25 ± 0.8 (8–10) | – | 9.67 ± 1.2 (8–11) |
| Ventromedian sup- plements | – | 6–7 | – | 7–8 |
Notes
Published as part of Kumar, Sumit & Ahmad, Wasim, 2023, Six new and four known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylaimida: Belondiroidea) from the Western Ghats of India, pp. 10 in European Journal of Taxonomy 857 on page 10, DOI: 10.5852/ejt.2023.857.2039, http://zenodo.org/record/7629268
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Additional details
Identifiers
References
- Nair P. 1973. The genus Axonchium (Nematode: Belondiridae). Species with vaginal sclerotization (Part 1). Nematologica 18: 514 - 554. https: // doi. org / 10.1163 / 187529273 X 00303