Table 1.
Measurements of Scutellonema brachyurus and Meloidogyne incognita from Belgium
| S. brachyurus (Belgium) | M. incognita (Belgium) | |||
|---|---|---|---|---|
| Females | Juveniles | Males | Females | |
| n | 11 | 20 | 10 | 10 |
| Body length (L) | 699 ± 50 (625–774) | 406 ± 17.1 (374–420) | 1884.0 ± 135 (1728–2048) | 584 ± 66.8 (506–751) |
| a = L/MBD | 28.3 ± 7 (23.8–44) | 27.4 ± 2.4 (23.5–32.6) | 48.5 ± 4.0 (44.9–54.2) | 1.8 ± 0.1 (1.5–2.0) |
| b = L/anterior to pharyngo-intestinal valve | 6.6 ± 0.44 (5.9–7.2) | – | – | – |
| b' = L/ anterior to base of pharyngeal gland | 5.5 ± 0.42 (4.9–6.1) | 3.0 ± 0.3 (2.4–3.5) | 7.9 ± 0.6 (7.3–8.6) | – |
| c = L/Tail length | 79 ± 44 (49–177) | 8.4 ± 0.4 (7.7–9.0) | 204.4 ± 107.6 (137.1–365.1) | – |
| c' = Tail length/ABD | 0.66 ± .06 (0.55–0.76) | 5.0 ± 0.4 (4.5–5.6) | 0.4 ± 0.3 (0.1–0.6) | – |
| V% | 59 ± 1.5 (57–62) | – | – | – |
| Distance from anterior end to middle of genital primordium | – | 254 ± 18.2 (228–279) | – | – |
| Lip height | 5.7 ± 0.4 (5.1–6.2) | – | 7.2 ± 1.1 (6.3–8.8) | – |
| Lip width | 9.1 ± 0.37 (8.7–9.6) | – | 13.4 ± 0.3 (13.2–13.9) | – |
| Stylet length | 26.8 ± 1.1 (25.2–28.6) | 10.9 ± 0.8 (9.5–12.0) | 24.7 ± 0.9 (23.9–25.8) | 15.6 ± 0.7 (14–17) |
| Conus length | 14.1 ± 1.1 (12.7–15.8) | 6 ± 0.5 (5–6) | 13.9 ± 0.5 (13.2–14.5) | 9 ± 0.9 (8–10) |
| Shaft length | 10.1 ± 0.39 (9.5–10.5) | 4 ± 0.6 (3–5) | 8.0 ± 0.6 (7.6–8.8) | 4.8 ± 0.7 (4–6) |
| Knob height | 2.7 ± 0.39 (2.3–3.4) | 1 ± 0.0 (1–1) | 2.8 ± 0.4 (2.5–3.2) | 2.3 ± 0.3 (2–3) |
| m = Cone/Stylet | 0.52 ± 0.03 (0.48–0.57) | – | – | – |
| o = DGO*100/Stylet | 19.4 ± 2.0 (17.1–22.9) | – | – | – |
| Distance from dorsal gland orifice to stylet base | 5.2 ± 0.53 (4.6–6.0) | 4 ± 0.5 (3–4) | 3.8 ± 0.7 (3.2–4.4) | 3.8 ± 0.6 (3–4) |
| Anterior end to secretory-excretory pore | 116 ± 5.2 (110–124) | 84 ± 3.4 (79–89) | 176.4 ± 14.2 (156.2–189.6) | 23 ± 7.8 (16–38) |
| Anterior end to nerve ring | 84 ± 1.5 (82–86) | 71 ± 3.4 (66–77) | 126.9 ± 12.0 (110.3–138.6) | – |
| Anterior end to end of pharyngeal gland | 127 ± 4 (120–134) | 139 ± 15.5 (117–173) | 239.7 ± 2.2 (237.5–241.9) | – |
| Pharyngeal gland overlapping | 21.9 ± 3.9 (15–26.9) | – | – | – |
| Anterior genital tract | 178.9 ± 16.6 (168–203) | – | – | – |
| Posterior genital tract | 173 ± 5.7 (168–181) | – | – | – |
| Diam. at mid-body (MBD) | 27.1 ± 2.4 (23.8–31) | 15 ± 1.5 (13–18) | 38.9 ± 2.5 (35.9–41.0) | 327 ± 55.0 (259–430) |
| Diam. at anus (ABD) | 17 ± 0.89 (16.2–18.3) | 10 ± 0.6 (9–11) | 71.7 ± 101.3 (18.9–223.7) | – |
| Tail length | 11.2 ± 1.2 (9.8–13.3) | 50 ± 2.5 (46–53) | 10.7 ± 3.8 (5.0–13.2) | – |
| Hyaline length | 4.2 ± 0.51 (3.7–5.0) | 15 ± 2.1 (13–20) | – | – |
| Spicule length (along arc) | – | – | 33.5 ± 5.1 (28.4–40.3) | – |
| Maximum spicule width | – | – | 4.1 ± 0.6 (3.8–5.0) | – |
| Gubernaculum length | – | – | 11.0 ± 1.2 (10.1–12.6) | – |
| Number of tail annuli at ventral side | 9.4 ± 0.54 (9–10) | – | – | – |
| Scutellum diameter | 3.4 ± 0.28 (3.1–3.8) | – | – | – |
| Length of cervical region | – | – | – | 243 ± 37.9 (184–311) |
| Anterior end to end of metacorpus | – | – | – | 81 ± 10.5 (67–101) |
| Metacorpus diameter | – | – | – | 36 ± 6.4 (28–47) |
| Vulva slit length | – | – | – | 18.7 ± 2.9 (15–23) |
| Vulva width | – | – | – | 23 ± 3.2 (19–28) |
| Vulva-anus distance | – | – | – | 16.2 ± 2.2 (12–18) |
Figure 1:
LM pictures. (A–F) females of Scutellonema brachyurus from Belgium. (A) Entire body; (B) Anterior region; (C) Vulva region; (D) Lateral field at vulva region; (E) Scutellum at tail region; (F) Tail region. (G–P) Meloidogyne incognita from Belgium. (G–I) Mature females. (G) Anterior region; (H, I) Perineal patterns. (J–L) Males. (J) Anterior region; (K) Lateral field; (L) Tail region showing copulatory apparatus. (M–P) Second-stage juveniles. (M) Entire body; (N) Anterior region; (O) Lateral field; (P) Tail region.