Character | This work | Yang and Eisenback, 1983 | Rammah and Hirschmann, 1988 |
---|---|---|---|
Second-stage juveniles (J2) | |||
n=28 | n=30 | n=35 | |
Body length | 414.5 ±22.9# (391.5–486.8) #Average measurements in μm ± standard deviation (range) a: body length/greatest body width, c: body length/tail length DGO: dorsal esophageal gland orifice | 436.6 ±16.61 (405–472.9) | 453.6 ± 28.4 (390.4–528.0) |
Greatest body width | 14.05 ±0.7 (13.2–15.6) | 15.3 ±0.89 (13.9–17.8) | 14.7 ±0.5 (13.8–15.8) |
Stylet length | 11.3 ±0.8 (10.1–13.0) | 11.7 ±0.45 (10.8–13.0) | 11.6 ±0.3 (11.1–12.2) |
DGO | 3.4 ±0.4 (2.6–4.2) | 3.4 ± 0.33 (2.8–4.3) | 3.9 ±0.2 (3.3–4.3) |
Tail length | 54.4 ± 5.5 (40.7–61.6) | 56.4 ± 4.48 (41.5–63.4) | 54.4 ± 3.6 (49.2 - 62.9) |
Hyaline region length | 14.2 ±0.8 (11.5–15.0) | ------------ | ------------- |
29.5 ±1.6 (26.3–33.5) | 28.6 ±1.88 (24.0 - 32.5) | 30.9 ±1.9 (26.4–34.7) | |
7.9 ±0.7 (6.4–9.6) | 7.8 ±0.65 (6.8–10.1) | 8.3 ±0.4 (7.0–9.2) | |
Females | |||
n=8 | n=20 | n=35 | |
Stylet length | 14.5 ±1.7 (12.8–17.3) | 15.1 ±1.35 (13.2–18.0) | 15.8 ±0.8 (13.8–16.8) |
DGO | 4.7 ±1.1 (3.2 - 6.4) | 4.9 ±0.78 (3.7–6.2) | 4.8 ±0.8 (3.5–6.7) |
Vulva-anus distance | 18.5 ±1.0 (17.4–19.6) | 22.2 ±1.76 (19.7–26.6) | 18.4 ±1.5 (12.7–21.1) |
Vulval slit length | 23.5 ±1.9 (20.2 - 25.3) | 28.7 ± 1.96 (25.3–32.4) | 26.1 ± 1.9 (20.9–30.4) |