Figure 1:
Figure 2:
Figure 3:
Figure 4:
Figure 5:
Figure S1:
Morphometrics of Antarctenchus urmiensis n_ sp_ All measurement are in µm and in the form: mean ± s_d_ (range)_
| Holotype | Paratypes | ||
|---|---|---|---|
| Female | Females | Males | |
| n | 1 | 8 | 8 |
| L | 1,095 | 1,022 ± 96 | 895 ± 40 |
| (875–1,162) | (819–942) | ||
| a | 45.6 | 41.7 ± 2.4 | 38.9 ± 2.3 |
| (38.5–45.6) | (35.6–42.8) | ||
| b | 6.7 | 6.5 ± 0.8 | 5.7 ± 0.3 |
| (5.5–8.2) | (5.1–5.9) | ||
| c | 15.2 | 15.5 ± 1.3 | 14.1 ± 0.6 |
| (14.2–18.2) | (13.5–15.5) | ||
| c´ | 5.5 | 5.1 ± 0.5 | 3.7 ± 0.2 |
| (4.0–5.8) | (3.4–4.0) | ||
| V | 54 | 55.0 ± 0.0 | – |
| (54–58) | |||
| Cephalic region width at apex | 6 | 6.4 ± 0.6 | 5.7 ± 0.5 |
| (5.5–7.0) | (5.0–6.5) | ||
| Cephalic region width at base | 9.5 | 9.5 ± 0.4 | 9.1 ± 0.3 |
| (9.0–10.4) | (8.5–9.5) | ||
| Cephalic region height | 2.8 | 2.8 ± 0.3 | 2.6 ± 0.3 |
| (2.3–3.2) | (2.2–3.0) | ||
| Stylet conus length | 5.5 | 5.5 ± 0.4 | 5.7 ± 0.7 |
| (5–6) | (5–7) | ||
| Stylet total length | 13 | 13.9 ± 0.4 | 14.0 ± 0.5 |
| (13.0–14.5) | (13.5–15.0) | ||
| Dorsal gland orifice (DGO) | 2.5 | 2.2 ± 0.3 | 2.4 ± 0.5 |
| (2.0–2.8) | (2.0–3.2) | ||
| Anterior end to median bulb distance | 69 | 68.6 ± 5.7 | 69.8 ± 1.8 |
| (58–77) | (67–72) | ||
| Median bulb length | 19 | 19.8 ± 1.3 | 20.8 ± 0.7 |
| (18–21) | (20–22) | ||
| Median bulb width | 11 | 11.1 ± 0.6 | 10.0 ± 0.5 |
| (10–12) | (9–11) | ||
| Anterior end to nerve ring distance | 101 | 109.3 ± 8.6 | 100.3 ± 7.0 |
| (94–122) | (92–115) | ||
| Anterior end to hemizonid distance | 117 | 121.6 ± 6.7 | 115.4 ± 4.9 |
| (112–131) | (110–126) | ||
| Anterior end to excretory pore distance | 121 | 127.4 ± 6.5 | 122.0 ± 4.6 |
| (119–135) | (117–132) | ||
| Neck (stoma + pharynx) | 162 | 158.3 ± 11.4 | 157.1 ± 3.0 |
| (132–168) | (151–160) | ||
| Anterior end to vulva distance | 592 | 568.4 ± 45.3 | – |
| (511–644) | |||
| Body width at vulva or cloaca | 24 | 24.6 ± 2.4 | 23.0 ± 0.8 |
| (21–29) | (22–24) | ||
| Body width at anus | 13 | 13.1 ± 2.2 | 17.4 ± 1.1 |
| (11–18) | (16–19) | ||
| Anterior genital branch/testis length | 254 | 261.6 ± 37.4 | 475.0 ± 35.8 |
| (207–317) | (421–530) | ||
| Posterior genital branch length | 250 | 254.1 ± 37.3 | – |
| (208–332) | |||
| Tail length | 72 | 66.3 ± 6.4 | 63.4 ± 2.9 |
| (60–73) | (59–67) | ||
| Anus to phasmid distance | 30 | 33.8 ± 4.1 | 34.4 ± 4.7 |
| (27–42) | (27–43) | ||
| Spicules length | – | – | 25.6 ± 1.6 |
| (24–29) | |||
| Gubernaculum length | – | – | 10.1 ± 1.0 |
| (8–11) | |||