New and known species of the family Dorylaimidae Thorne, 1936 (Nematoda: Dorylaimoidea) from the Western Ghats of India
Author
Khan, Shahnaz
Nematode Biodiversity Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India.
shahnazhussain34@gmail.com
Author
Imran, Zarrin
Department of Plant Protection, Aligarh Muslim University, Aligarh- 202002, India.
zarrin.imran@gmail.com
Author
Tauheed, Uzma
Nematode Biodiversity Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India.
uzmatauheed@gmail.com
Author
Ahmad, Wasim
Nematode Biodiversity Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh- 202002, India.
ahmadwasim57@gmail.com
text
European Journal of Taxonomy
2026
2026-02-18
1040
1
71
https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3191/14169
journal article
314416
10.5852/ejt.2026.1040.3191
94d6d526-bd4f-4f5c-83a5-1c38cd0236ca
2118-9773
18699669
D6F05273-C124-4EDA-B467-C973BA329D56
Table 4. Morphometrics of Calodorylaimus andrassyi Baqri & Jana, 1982 and Calcaridorylaimus indicus sp. nov. (all measurements in µm except L in mm). Abbreviations: see Material and methods. | Calodorylaimus andrassyi Baqri & Jana, 1982 | Calcaridorylaimus indicus sp. nov. |
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| Characters | Females | Males | Holotype female | Paratypes female | Paratypes male |
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| n | 3 | 1 | | 4 | 4 |
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| L | 3.49 ± 0.18 (3.26–3.70) | 2.87 | 1.58 | 1.59 ± 0.09 (1.47–1.72) | 1.48 ± 0.06 (1.41–1.56) |
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| a | 55.5 ± 9.4 (46.5–68.5) | 59.9 | 50.9 | 50.5 ± 4.3 (45.9–57.4) | 53.9 ± 1.9 (51.8–56.5) |
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| b | 5.73 ± 0 (5.69–5.76) | 5.2 | 5.5 | 5.4 ± 0.1 (5.2–5.6) | 5.2 ± 0.1 (5.1–5.3) |
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| c | 9.2 ± 0.6 (8.4–9.9) | 136.9 | 12.1 | 12.1 ± 0.5 (11.3–12.6) | 65.1 ± 3.7 (61.4–70.7) |
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| c’ | 12.9 ± 0.7 (12.4–13.9) | 0.7 | 6.8 | 7.2 ± 0.5 (6.6–7.8) | 1.0 ± 0.1 (0.9–1.1) |
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| V | 44.7 ± 0.7 (43.7–45.3) | – | 45.9 | 44.3 ± 1.2 (42.7–45.8) | – |
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| G1 | 13.2 ± 1.2 (11.5–14.4) | – | 11.9 | 12.2 ± 0.9 (11.1–13.5) | – |
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| G2 | 13.9 ± 1.7 (11.5–15.2) | – | 16.7 | 13.3 ± 1 (12.0–14.6) | – |
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| body diameter at pharynx base | 62 ± 5.7 (54–67) | 52 | 30 | 27.6 ± 1.4 (26–29) | 28.3 ± 2 (25–30) |
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| body diameter at mid body | 64 ± 7.1 (54–70) | 48 | 31 | 31.6 ± 1 (30.0–32.5) | 27.5 ± 1.5 (26–30) |
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| body diameter at anus | 29.3 ± 1.7 (27–31) | 30 | 19 | 18.3 ± 0.4 (18–19) | 22.9 ± 1.1 (21–24) |
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| lip region diameter | 15.3 ± 0.5 (15–16) | 16 | 9 | 9 ± 0 (9–9) | 9.1 ± 0.5 (8.5–10.0) |
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| lip region height | 4.5 ± 0.4 (4–5) | 5 | 4 | 3.2 ± 0.2 (3.0–3.5) | 3.3 ± 0.3 (3.0–3.5) |
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| amphid aperture diameter | 8.5 ± 0.5 (8–9) | 8 | 4.5 | 4.7 ± 0.2 (4.5–5.0) | 5 ± 0.7 (4–6) |
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| odontostyle length | 30.2 ± 0.2 (30.0–30.5) | 29.5 | 12 | 12.4 ± 0.4 (12–13) | 11.6 ± 0.5 (11.0–12.5) |
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| odontophore length | 35.7 ± 0.9 (35–37) | 35 | 17 | 16.3 ± 0.8 (15–17) | 15 ± 0.7 (14–16) |
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| guiding ring from ant. end | 19.2 ± 0.2 (19.0–19.5) | 17.5 | 9 | 8.3 ± 0.2 (8.0–8.5) | 8.3 ± 0.6 (7.5–9.0) |
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| nerve ring from ant. end | 160 ± 6.7 (153–169) | 155 | 110 | 111.5 ± 1.1 (110–113) | 113.8 ± 3 (110–118) |
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| neck length | 609 ± 33.1 (569–650) | 551 | 289 | 294 ± 13.3 (282–315) | 287.3 ± 11.2 (275–302) |
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| expanded part of pharynx | 380.7 ± 13.8 (369–400) | 331 | 116 | 124 ± 14.9 (111–148) | 117.8 ± 5 (110–124) |
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| cardia length | 20 ± 1 (19–20) | 36 | 14 | 12.1 ± 0.7 (11–13) | 12.5 ± 2.1 (10–15) |
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| anterior genital branch | 457.7 ± 34.7 (426–506) | – | 188 | 193.3 ± 9.4 (178–203) | – |
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| posterior genital branch | 481.7 ± 43 (427–532) | – | 264 | 211.5 ± 3.8 (206–216) | – |
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| vaginal depth | 29.7 ± 0.9 (29–31) | – | 20 | 17.7 ± 1.7 (16–20) | – |
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| vulva from ant. end | 1558 ± 80 (1475–1666) | – | 724 | 704.3 ± 22.4 (672–735) | – |
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| prerectum length | 182.7 ± 4.2 (177–187) | 267 | 52 | 88 ± 10.3 (72–100) | 150 ± 25.6 (124–191) |
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| rectum length | 51.3 ± 3.1 (47–54) | 53 | 30 | 34.3 ± 1.3 (33–36) | 36.3 ± 2.5 (33–40) |
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| tail length | 377.7 ± 7.4 (371–388) | 21 | 130 | 131.5 ± 10.4 (118–143) | 22.8 ± 0.4 (22–23) |
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| spicule length | – | 55 | – | – | 37.5 ± 1.1 (36–39) |
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| lateral guiding pieces | – | 14 | – | – | 6.5 ± 0.5 (6–7) |
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| ventromedian supplements | – | 18 | – | – | 12–15 |
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