Description of five new and six known species of the genus Basirotyleptus Jairajpuri, 1964 (Nematoda: Dorylaimida: Tylencholaimoidea) from the Western Ghats, India
Author
Islam, Md Niraul
A202F47B-7E49-43AE-A2EF-988E7E891AA9
Nematode Biodiversity Research Lab, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India.
mnislam15@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
2022
2022-02-07
791
1
1
57
http://zoobank.org/2aedeba5-69c9-4630-b4be-c109b6b0d270
journal article
20745
10.5852/ejt.2022.791.1645
d21308fb-ff8b-4722-a9bd-6706515ab6d3
2118-9773
5999842
2AEDEBA5-69C9-4630-B4BE-C109B6B0D270
Table 2. Measurements of Basirotyleptus pini Siddiqi & Khan, 1964. All measurements are in μm and in the form: mean ± s.d. (range).| Localities | Kollam population | Pathanamthitta population |
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| Characters | Females | Females |
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| n | 9 | 9 |
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| L | 522.9 ± 23.0 (465–575) | 522.5 ± 28.9 (453–556) |
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| Body diameter at neck base | 19.6 ± 0.65 (18.5–20.5) | 19.3 ± 0.61 (18.5–20.5) |
|---|
| Body diameter at mid body | 20.9 ± 0.65 (19.5–21.5) | 21.2 ± 0.80 (19.5–22.5) |
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| Body diameter at anus | 15.5 ± 0.55 (14.5–16.5) | 15.5 ± 0.85 (13.5–16.5) |
|---|
| a | 25.0 ± 1.3 (22.6–26.7) | 24.6 ± 0.85 (23.1–25.8) |
|---|
| b | 4.5 ± 0.24 (4.1–4.9) | 4.4 ± 0.20 (4.0–4.8) |
|---|
| c | 37.2 ± 1.7 (33.9–39.1) | 37.9 ± 3.1 (33.3–43.0) |
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| c’ | 0.90 ± 0.05 (0.81–1.0) | 0.88 ± 0.06 (0.76–1.0) |
|---|
| V | 38.7 ± 1.0 (37.5–40.6) | 37.2 ± 1.5 (35.5–40.2) |
|---|
| G1 | 2.9 ± 0.81 (2.2–5.0) | 2.3 ±0.43 (1.5–3.0) |
|---|
| G2 | 19.9 ± 2.4 (17.0–24.8) | 21.6 ± 3.4 (16.4–27.4) |
|---|
| Lip region diameter | 8.6 ± 0.24 (8.5–9.0) | 8.7 ± 0.15 (8.5–9.0) |
|---|
| Lip region height | 3.8 ± 0.20 (3.5–4.0) | 3.8 ± 0.20 (3.5–4.0) |
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| Amphidial aperture | 4.8 ± 0.15 (4.5–5.0) | 4.7 ± 0.20 (4.5–5.0) |
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| Odontostyle length | 12.3 ± 0.27 (11.5–12.5) | 11.5 ± 0.30 (11–12) |
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| Odontophore length | 13.2 ± 0.46 (12.5–14.0) | 13.8 ± 0.46 (12.5–14.0) |
|---|
| Total stylet length | 25.5 ± 0.63 (25–26) | 25.4 ± 0.70 (24.5–26.0) |
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| Guiding ring from anterior end | 10.8 ± 0.20 (10.5–11.0) | 10.9 ± 0.23 (10–11) |
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| Nerve ring from anterior end | 63.8 ± 2.5 (58–66) | 63.2 ± 2.8 (58–66) |
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| Neck length | 115.7 ± 4.2 (105–121) | 117.0 ± 3.9 (110–124) |
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| Expanded part of pharynx | 19.1 ± 0.93 (17.5–20.5) | 18.6 ± 1.0 (17–20) |
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| Cardia length | 5.3 ± 0.58 (4.5–5.5) | 4.7 ± 0.56 (4.0–6.0) |
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| Anterior genital branch | 14.5 ± 2.0 (11–18) | 12.5 ± 2.5 (8.0–17) |
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| Posterior genital branch | 106.1 ± 10.8 (89–119) | 114.6 ± 14.4 (91–142) |
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| Vaginal length | 11.3 ± 0.67 (10.5–12.5) | 11.5 ± 0.65 (10.5–12.5) |
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| Vulva from anterior end | 202.6 ± 9.5 (185–217) | 194.8 ± 12.59 (172–222) |
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| Prerectum length | 40.6 ± 5.9 (29–47) | 42.4 ± 5.2 (37–49) |
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| Rectum length | 18.9 ± 0.80 (17.5–19.5) | 19.7 ± 0.97 (18.5–21.5) |
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| Tail length | 14.0 ± 0.80 (12.5–16.0) | 13.8 ± 1.1 (12–15) |
|---|