Figure 1
Light micrographs of Xiphinema ifacolum Luc, 1961 from Nigeria (A–I). (A) Whole female, (B,C) Female lip region showing amphidial fovea, (D–G) Detail of Z-organ in uterus, (H–I) Female tail regions. Indicators: af = amphidial fovea; a = anus; Zorg = Z-organ. (Scale bars: A = 200 μm; B, C, G–I = 10 μm; D–F = 20 μm).
Table 1
Morphometrics of Xiphinema ifacolum Luc, 1961 from Nigeria. All measurements are in micrometer, with the exception of L, which is expressed in millimeter; and all values take the form: mean ± s.d. (range).
| Character/ratios† | Females |
|---|---|
| n | 5 |
| L (mm) | 3.5 ± 0.18 (3.17–3.60) |
| a | 58.6 ± 2.5 (54.6–60.6) |
| b | 8.2 ± 0.5 (7.4–8.6) |
| c | 56.1 ± 3.5 (51.9–60.9) |
| c′ | 1.7 ± 0.1 (1.6–1.9) |
| d‡ | 7.9 ± 1.5 (6.5–10.4) |
| d′⚔ | 3.1 ± 0.2 (2.8–3.3) |
| V | 51.6 ± 1.4 (50.4–53.9) |
| G1 | 11.2 ± 0.6 (10.7–11.8) |
| G2 | 11.0 ± 0.7 (10.4–11.7) |
| Odontostyle length | 125.6 ± 4.0 (121–131) |
| Odontophore length | 69.5 ± 1.2 (68–71) |
| Total stylet length | 195.1 ± 4.2 (190.0–201.5) |
| Anterior end to guide ring | 94.6 ± 17.3 (84–125) |
| Tail length | 62.2 ± 2.4 (59–65) |
| Hyaline part of tail length | 19.8 ± 1.9 (17–21) |
| Body width at level of: | |
| Lip region | 12.0 ± 0.7 (11–13) |
| Guide ring | 36.8 ± 0.8 (36–38) |
| Anus | 36.1 ± 1.9 (34.5–39.0) |
[i] †Abbreviations are defined in Jairajpuri and Ahmad (1992)
‡d = anterior to guide ring/body width at lip region (Brown et al., 1994)
⚔d′ = body width at guide ring/body width at lip region (Brown et al., 1994)