Table 6. Measurements of Axonchium microspiculum sp. nov. All measurements in µm except L in mm, and in the form: mean ± s.d. (range).
| Localities |
Idukki population (type population) |
Thiruvananthapuram population |
| Characters |
Holotype female |
Paratype females |
Paratype males |
Females |
Male |
| n |
1 |
3 |
6 |
4 |
1 |
| L |
1.1 |
1.13 ± 0.1 (1.1–1.16) |
1.2 ± 0.1 (1.14–1.3) |
1.16 ± 0.1 (1.1–1.22) |
1.16 |
| a |
39.5 |
40.1 ± 1.1 (38.6–41.4) |
46.7 ± 1.9 (42.4–48.2) |
42.7 ± 2.0 (40–45.3) |
48.3 |
| b |
2.6 |
2.6 ± 0.1 (2.5–2.7) |
3.0 ± 0.2 (2.6–3.2) |
2.7 ± 0.1 (2.6–2.8) |
3.2 |
| c |
55.4 |
61.6 ± 2.1 (59.4–64.3) |
63.8 ± 3.5 (57.3–67.9) |
65.7 ± 4.9 (59.7–71.9) |
57.9 |
| cʹ |
0.9 |
0.9 ± 0.1 (0.8–0.95) |
0.9 ± 0.1 (0.8–1) |
0.9 ± 0.1 (0.8–0.9) |
1.0 |
| V |
54.7 |
54.2 ± 0.3 (54–55) |
– |
54.4 ± 1.6 (53–56) |
– |
| G1 |
5.9 |
5.4 ± 0.3 (5.0–5.7) |
– |
4.5 ± 0.4 (4.0–5.1) |
– |
| G2 |
13 |
10.7 ± 0.8 (10–11.9) |
– |
9.9 ± 0.5 (9.2–10.4) |
– |
| Body diam. at pharynx base |
28 |
28.3 ± 0.5 (28–29) |
27.7 ± 0.5 (27–28) |
26.5 ± 0.9 (25–27) |
25 |
| Body diam. at mid-body |
28 |
28.7 ± 0.9 (28–30) |
26.14 ± 1.0 (24–27) |
27.2 ± 0.4 (27–28) |
24 |
| Body diam. at anus/ cloaca |
21 |
21 ± 0.8 (20–22) |
21 ± 0.8 (20–22) |
20 ± 0.7 (19–21) |
21 |
| Lip region diam. |
7 |
6.8 ± 0.2 (6–7) |
7.2 ± 0.2 (7–8) |
7 |
8 |
| Lip region height |
4 |
3.7 ± 0.5 (3–4) |
4 |
4 |
4 |
| Amphid aperture |
5 |
5.3 ± 0.5 (5–6) |
5.5 ± 0.4 (5–6) |
5.25 ± 0.4 (5–6) |
5 |
| Odontostyle length |
8 |
7.6 ± 0.5 (7–8) |
8 |
7.5 ± 0.5 (7–8) |
7 |
| Odontophore length |
9 |
9.3 ± 0.5 (9–10) |
9.1 ± 0.4 (9–10) |
9.5 ± 0.5 (9–10) |
10 |
| Guiding ring from ant. end |
7 |
7 |
6.9 ± 0.5 (6–8) |
7.2 ± 0.4 (7–8) |
7 |
| Nerve ring from ant. end |
100 |
103.5 ± 1.5 (102–105) |
106.8 ± 3.1 (103–112) |
100 ± 10.6 (85–108) |
114 |
| Neck length |
433 |
443 ± 13.9 (429–462) |
407 ± 14.7 (388–432) |
429 ± 19.2 (402–456) |
367 |
| Expanded part of pha- rynx |
272 |
274 ± 16.3 (261–297) |
230.7 ± 19.3 (210–263) |
253.7 ± 14.2 (240–277) |
184 |
| Cardia length |
10 |
9.0 ± 2.2 (7–12) |
9.2 ± 0.7 (8–10) |
7.2 ± 1.6 (5–9) |
8 |
| Anterior genital branch |
65 |
61.7 ± 2.6 (58–64) |
– |
53 ± 6.0 (47–62) |
– |
| Posterior genital branch |
145 |
123.3 ± 7.7 (116–134) |
– |
114.7 ± 7.3 (108–127) |
– |
| Vaginal depth |
17 |
17.7 ± 17.7 (17–19) |
– |
16.5 ± 1.5 (15–18) |
– |
| Vulva from ant. end |
606 |
622.3 ± 4.6 (616–627) |
– |
633.7 ± 24.6 (605–662) |
– |
| Prerectum length |
142 |
134.7 ± 5.4 (127–139) |
176.8 ± 25 (142–215) |
129.2 ± 8.8 (120–139) |
105 |
| Rectum length |
21 |
22.7 ± 0.5 (22–23) |
31 ± 1.4 (28–32) |
23.5 ± 2.3 (20–26) |
26 |
| Tail length |
20 |
18.7 ± 0.5 (18–19) |
19.3 ± 0.7 (18–20) |
20 ± 0.7 (19–21) |
20 |
| Spicule length |
– |
– |
21.5 ± 1.0 (20–23) |
– |
22 |
| Lateral guiding pieces |
– |
– |
6.0 ± 0.8 (5–7) |
– |
7 |
| Ventromedian supple- ments |
– |
– |
2 |
– |
2 |