Table 2.
Comparison of morphometrics of metacestodes (single fimbriocerci) of Taenia taliceiDollfus (1960) from intermediate hosts reported from South America (in μm). Abbreviations: n, number of measurements; SD, standard deviation.
| Hosts | Ctenomys terraplen Brook, González, Tomasco, Verzi & Martin | Ctenomys aff. C. terraplen | Ctenomys torquatus Lichtenstein | Ctenomys peruanus Sanborn & Pearson | Ctenomys australis (Rusconi) | Ctenomys talarum Thomas | Phyllotis xanthopygus (Waterhouse) |
|---|---|---|---|---|---|---|---|
| Reference | Present study | Present study | Dollfus (1960) | Voge (1954) | Rossin et al. (2010) | Rossin et al. (2010) | Gomez-Puerta (2017) |
| Locality/Country | Corcovado, Chubut province, Argentina | Laguna El Cronómetro, Chubut province, Argentina | Montevideo, Uruguay | Puno Department, Peru | Buenos Aires province, Argentina | Buenos Aires province, Argentina | Marangani District, Cusco, Peru |
| Characters | N | Mean ± SD | Range | n | Mean ± SD | Range | n | Mean ± SD | Range | n | Mean ± SD | Range | n | Mean ± SD | Range | n | Mean ± SD | Range | n | Mean ± SD | Range |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LARGE HOOKS | |||||||||||||||||||||
| Total length (TL) | 24 | 268 ± 15 | 230–280 | 33 | 263 ± 13 | 230–280 | 2 | – | 245–247 | – | – | 190–220 | 50 | 236 ± 2 | 230–243 | 50 | 243 ± 3 | 240–248 | 14 | 228 ± 1 | 218–237 |
| Total width (TW) | 24 | 77 ± 15 | 40–94 | 27 | 70 ± 10 | 50–81 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 77 ± 0.6 | 72–82 |
| Basal length (BL) | 24 | 159 ± 17 | 120–180 | 27 | 158 ± 12 | 130–170 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 148 ± 0.9 | 141–153 |
| Apical length (AL) | 24 | 128 ± 7 | 110–140 | 26 | 125 ± 5 | 120–130 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 109 ± 0.5 | 106–112 |
| Guard length (GL) | 24 | 26 ± 8 | 13–44 | 27 | 23 ± 5 | 13–31 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 22 ± 0.3 | 21–25 |
| Guard width (GW) | 24 | 34 ± 6 | 25–50 | 27 | 34 ± 5 | 25–43 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 30 ± 0.3 | 29–32 |
| Blade curvature (BC) | 24 | 22 ± 25 | 6–140 | 26 | 17 ± 4 | 9–25 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 17 ± 0.3 | 15–18 |
| Handle width (HW) | 24 | 29 ± 4 | 18–37 | 27 | 30 ± 6 | 19–38 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 19 ± 0.5 | 15–22 |
| Nº large hooks | 3 | 25 ± 1 | 24–26 | 4 | 25 ± 2 | 23–27 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| SMALL HOOKS | |||||||||||||||||||||
| Total length (TL) | 49 | 152 ± 20 | 88–180 | 32 | 159 ± 11 | 130–180 | 2 | – | 154–160 | – | – | 120–140 | 50 | 154 ± 4 | 150–160 | 50 | 161 ± 3 | 158–168 | 14 | 147 ± 0.6 | 144–155 |
| Total width (TW) | 45 | 79 ± 13 | 50–130 | 25 | 72 ± 13 | 49–88 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 80 ± 0.8 | 75–84 |
| Basal length (BL) | 45 | 81 ± 20 | 9–100 | 25 | 77 ± 11 | 56–90 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 77 ± 0.9 | 70–81 |
| Apical length (AL) | 45 | 120 ± 8 | 100–130 | 25 | 113 ± 6 | 100–130 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 104 ± 0.4 | 101–105 |
| Guard length (GL) | 45 | 21 ± 5 | 13–31 | 25 | 20 ± 4 | 12–29 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 22 ± 0.4 | 21–25 |
| Blade curvature (BC) | 45 | 16 ± 4 | 7–24 | 24 | 16 ± 6 | 6–25 | – | – | – | – | – | – | – | – | – | – | – | – | 14 | 20 ± 0.2 | 20–22 |
| Nº small hooks | 3 | 25 ± 1 | 24–26 | 4 | 24 ± 2 | 22–26 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Nº total hooks | 2 | 48 | 48 | 4 | 49 ± 3 | 45–53 | 2 | – | 48–52 | – | – | 40–44 | 10 | 46 ± 3 | 40–50 | 10 | 46 ± 6 | 40–52 | 48 | – | 44–50 |
| Body length (mm) | 11 | 7 ± 2 | 2–10 | – | – | – | 2 | 6 | – | – | – | 9–15 | 10 | 20 ± 8 | 9–35 | 10 | 11 ± 5 | 5–20 | – | 9.6 | 6–12 |
| Maximum body width (mm) | 12 | 7 ± 0.4 | 3–4 | – | – | – | – | 3 | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Suckers diameter | 4 | 345 ± 105 | 280–500 | – | – | – | – | – | – | – | – | – | 10 | 291 ± 22 | 260–320 | 10 | 258 ± 40 | 200–320 | – | 315 | 304–324 |
| Rostellum diameter | 8 | 583 ± 118 | 470–800 | 4 | 613 ± 134 | 420–730 | – | – | – | – | – | – | 10 | 424 ± 47 | 370–500 | 10 | 407 ± 12 | 390–420 | – | 629 | 612–647 |
| Scolex length (+invaginated neck) (mm) | 8 | 2.6 ± 0.8 | 0.9–3.7 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.09 | 1.08–1.12 |
| Scolex width (+invaginated neck) (mm) | 7 | 1.5 ± 0.4 | 1–1.9 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |