Table 1 Morphological measurements of P. elegans collected herein compared to the original species description made by Machado-Filho and other Prosthenorchis spp. Measurements provided for the specimens of this study correspond to the average with standard deviation.
From: Cryptic diversity in a gastrointestinal acanthocephalan of New World primates from Costa Rica
Character | This study | Prosthenorchis elegans* (Machado-Filho) | Prosthenorchis spirula* | Prosthenorchis confusus* |
|---|---|---|---|---|
Total body length in males (mm) | 23.7 ± 1.75 | 23–30 | 20–30 | 20–30 |
Total body length in females (mm) | 36.4 ± 7.8 mm | 35–50 | 30–35 | 25–30 |
Total number of hooks (rows of hooks, number of hooks per row) | 36 (6,6) | 36 (6,6) | 30 (6,5) | 36 (6,6) |
Lemnisci shape | Cylindrical and long | Cylindrical and long | Claviform and long | NS |
Lemnisci length (range) (mm) | 8.72 ± 0.15 (8.53–8.88) | 9.85** | 5.62–8.19 | NS |
Lemnisci width (range) (mm) | 0.56 ± 0.02 (0.53–0.58) | 0.43** | 0.236–0.407 | NS |
Hook lamina (mm) | 0.12 ± 0.01 (first row), 0.09 ± 0.01 (second row) and 0.05 ± 0.01 (fifth row) | 0.121 (first row), 0.10 (second row), 0.054 (fifth row) | 0.189 (first row), 0.159 (second row), 0.058 (fifth row) | 0.113 (first row), 0.109 (second row), 0.063 (fifth row) |
Hook root (mm) | 0.063 ± 0.003 | 0.021–0.092 | 0.050–0.176 | 0.054–0.149 |
Egg width and length | 0.038 ± 0.008 and 0.064 ± 0.009 | 0.042 and 0.063–0.077 | 0.042–0.046 and 0.063–0.071 | 0.052 and 0.078** |
