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Fig. 8
Morpometrics of Pristionchus sikae sp_ n_ and Pristionchus kurosawai sp_ n_
| Character | P. kurosawai RS5914 stenostomatous male | stenostomatous female | P. sikae RS5901 stenostomatous male | stenostomatous female |
|---|---|---|---|---|
| n | 10 | 10 | 10 | 10 |
| L | 998 ± 133 (828–1285) | 1460 ± 234 (1097–1831) | 619 ± 81.9 (533–813) | 1003 ± 70.6 (867–1121) |
| L′ | 861 ± 127 (710–1128) | 1186 ± 175.2 (915–1454) | 514 ± 75.7 (434–708) | 809 ± 50.8 (699–895) |
| A | 15 ± 1.8 (12–17) | 14 ± 1.7 (12–17) | 13 ± 1.9 (10–15) | 12 ± 1 (11–14) |
| B | 6.3 ± 0.6 (5.1–7.0) | 9 ± 1.4 (7.5–11.7) | 4.6 ± 0.5 (3.8–5.4) | 6 ± 0.5 (5.2–6.6) |
| C | 7.4 ± 1.2 (4.9–8.9) | 5.6 ± 1.0 (3.5–7.1) | 6.1 ± 1 (4.6–7.7) | 5.2 ± 0.6 (4.4–6.2) |
| c′ | 3.4 ± 0.9 (2.2–5.0) | 6.1 ± 2.3 (3.9–11.4) | 3.7 ± 0.5 (2.4–4.4) | 6 ± 0.7 (4.7–7.2) |
| T or V | 60 ± 5.2 (51–68) | 46 ± 3 (41–50) | 51 ± 5 (45–60) | 46 ± 2.6 (42–50) |
| Maximum body diam. | 69 ± 8.1 (54–79) | 105 ± 20.6 (76–134) | 50 ± 8.1 (40–64) | 82 ± 6.7 (72–93) |
| Stoma length | 9.5 ± 1.2 (8.1–12.1) | 11.3 ± 1.4 (9.8–13.6) | 10 ± 0.8 (9.1–11.6) | 11.3 ± 0.9 (10.3–13.1) |
| Stoma diam. | 5.9 ± 0.6 (5.3–7.0) | 7.2 ± 0.7 (6.0–8.6) | 5.4 ± 0.8 (4.5–6.8) | 7.3 ± 0.7 (6.3–8.2) |
| Pharynx length (head to base of pharynx) | 149 ± 12.4 (130–174) | 154 ± 14.1 (134–176) | 126 ± 10.6 (111–139) | 157 ± 7.8 (145–169) |
| Anterior pharynx (pro- + metacorpus) | 88 ± 7.2 (75–100) | 92 ± 9.4 (83–108) | 78 ± 6.4 (66–85) | 98 ± 5.6 (89–107) |
| Posterior pharynx (isthmus + basal bulb) | 62 ± 5.7 (55–74) | 62 ± 6.6 (47–68) | 48 ± 5.7 (37–56) | 60 ± 5.1 (55–70) |
| Ant/total pharynx % | 59 ± 1.2 (57–61) | 60 ± 2.5 (56–65) | 62 ± 2.5 (58–67) | 62 ± 2.3 (59–65) |
| Median bulb diam. | 24 ± 2.1 (21–28) | 29 ± 3.7 (24–35) | 21 ± 3.4 (17–26) | 31 ± 2.3 (28–35) |
| Terminal bulb diam. | 26 ± 3.5 (21–33) | 29 ± 3.9 (24–36) | 21 ± 3.4 (18–26) | 30 ± 2.2 (25–32) |
| Testis length | 601 ± 115.3 (450–799) | – | 317 ± 65.3 (250–485) | – |
| Ant. end to vulva | – | 666 ± 122 (542–795) | – | 460 ± 41.1 (372–510) |
| Vulva to anus distance | – | 548 ± 74.6 (433–683) | – | 340 ± 22.9 (309–372) |
| Cloacal or anal body diam. | 42 ± 10.9 (28–70) | 46 ± 8.9 (29–59) | 29 ± 4.6 (21–38) | 32 ± 2.4 (28–36) |
| Tail length | 136 ± 24.5 (111–186) | 274 ± 97.2 (182–525) | 104 ± 20.2 (78–142) | 194 ± 30.3 (155–237) |
| Spicule length (curve) | 44 ± 2.7 (40–49) | – | 40 ± 3.8 (33–44) | – |
| Spicule length (chord) | 36 ± 2.1 (33–39) | – | 32 ± 3.3 (27–37) | – |
| Gubernaculum length | 16 ± 1.6 (14–18) | – | 13 ± 1 (12–15) | – |