Fig. 1
Fig. 2
Fig. 3
Morphometrics of the Khorramabad, Iran populations of Xiphinema species_ All measurements are in μm (except L in mm), and in the form: mean ± s_d_ (range)_
| Species | X. oxycaudatum | X. pachtaicum | X. plesiopachtaicum |
|---|---|---|---|
| Characters ratios* | Female | Female | Female |
| n | 2 | 4 | 4 |
| L | 1.5 , 1.7 | 1.87 – 1.93 (1.90 ± 0.02) | 1.76 – 1.81 (1.79 ± 0.01) |
| a | 43 , 43 | 56.5 – 62.5 (58.2 ± 2.2) | 61.2 – 66.7 (63 ± 2.1) |
| b | 6 , 6 | 5.5 – 6.2 (5.8 ± 0.3) | 5.4 – 6 (5.7 ± 0.3) |
| c | 50 , 54.5 | 63.2 – 65.7 (64.5 ± 1.1) | 59 – 66 (62.6 ± 2.5) |
| c´ | 1.3 , 1.4 | 1.6 – 1.8 (1.7 ± 0.1) | 1.4 – 1.6 (1.5 ± 0.1) |
| V | 51 , 51 | 57 – 58 (57.5 ± 0.5) | 57 – 59 (58 ± 0.8) |
| Odontostyle length | 79.5 , 81.3 | 82 – 85.5 (82.8 ± 0.5) | 73 – 76 (74.4 ± 1.2) |
| Odontophore length | 43.6 , 46.2 | 44.5 – 49 (47.5 ± 1.1) | 42 – 43.7 (42.9 ± 0.7) |
| Spear length | 124.9 , 125.2 | 128 – 133.8 (130 ± 2.5) | 116 – 118.8 (117.5 ± 1.1) |
| Lip region diam. | 10.5 , 11.5 | 8.8 – 9 (8.9 ± 0.1) | 8.5 – 9.2 (9 ± 0.1) |
| Oral aperture to guide ring | 69.5 , 72 | 75 – 79.5 (77.9 ± 1.1) | 64.5 – 68 (66.4 ± 1.1) |
| Pharynx length | 276 , 282.3 | 303.5 – 343 (319 ± 15) | 297 – 330.5 (310.9 ± 8.5) |
| Pharyngeal bulb length | 68 , 74 | 67 – 82.5 (74 ± 6) | 71 – 81 (76.1 ± 4) |
| Body diam. at phar. base | 31 , 33.5 | 26.5 – 31.3 (28.6 ± 1.8) | 27 – 29.5 (28.2 ± 1) |
| at mid-body | 35 , 39.5 | 30 – 33 (31.9 ± 1.1) | 27 – 29.5 (28.2 ± 1) |
| at anus | 20 , 24.5 | 16.5 – 17 (16.7 ± 0.2) | 18.3 – 19.1 (18.7 ± 0.2) |
| Tail length | 28.5 , 34 | 29 – 30.5 (29.5 ± 0.3) | 27.5 – 30.6 (28.7 ± 1.1) |
| Hyaline of tail tip | 9 , 9.5 | 9.5 – 10.7 (10.3 ± 0.2) | 5.6 – 7 (6.5 ± 0.4) |