Six new and four known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylaimida: Belondiroidea) from the Western Ghats of India
Author
Kumar, Sumit
4F7A3F90-19A6-43DD-B31F-82913B12EC74
Nematode Biodiversity Research Lab, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India.
sumitchandra.20@gmail.com
Author
Ahmad, Wasim
4A070AF3-8976-49F8-BBC1-497F1B3FB354
Nematode Biodiversity Research Lab, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India.
ahmadwasim57@gmail.com
text
European Journal of Taxonomy
2023
2023-02-08
857
1
56
http://dx.doi.org/10.5852/ejt.2023.857.2039
journal article
55119
10.5852/ejt.2023.857.2039
732325d8-01c5-4dc7-9b19-41ae3eca0398
2118-9773
7629268
81346690-911F-49A2-B820-CD6F07A9C4E9
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) |
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| 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) |
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| 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) |
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| 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) |
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| Rectum length | 35.1 ± 2.2 (31–39) | 39.5 ± 2.1 (37–42) | 35 | 40.3 ± 0.5 (30–31) |
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| Tail length | 25.87 ± 1.1 (24–27) | 26.25 ± 2.4 (23–29) | 28 | 27.3 ± 0.9 (26–28) |
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| Spicule length | – | 36.75 ± 1.1 (35–38) | – | 37 |
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| Lateral guiding pieces | – | 9.25 ± 0.8 (8–10) | – | 9.67 ± 1.2 (8–11) |
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| Ventromedian sup- plements | – | 6–7 | – | 7–8 |
|---|