Table 1.
Measurements of previously recorded furcocercariae from Chilina species, including data from the present study. Adapted from Flores et al. [12]. All measurements are expressed in µm. Values are expressed as a range, followed by mean and standard deviation between parentheses.
| Taxon | Lineage I | Lineage II | Species inquirenda * | C. chilinae I | C. chilinae II | C. chilinicola | Lineage 1 | Lineage 2 | Lineage 2 | Lineage 2 | Lineage 3 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Host | C. dombeyana | C. dombeyana | C. dombeyana | C. fluminea | C. fluminea | C. gibbosa | C. gibbosa | C. gibbosa | C. perrieri | Chilina sp. | C. dombeyana, C. neuquenensis |
| Locality (country) | Laguna Chica de San Pedro (CHI) | Laguna Chica de San Pedro (CHI) | Laguna Chica de San Pedro (CHI) |
Delta Paraná (AR) |
Delta Paraná (AR) |
Pellegrini Reservoir (AR) | Pellegrini Reservoir, Nahuel Huapi lake (AR) | Pellegrini Reservoir (AR) | Santa Cruz river (AR) |
Larga Larga (AR) |
Mascardi lake (AR) |
| Reference | This study | This study | [a] | [b] | [c] | [c] | [d] | [d] | [d] | [d] | [d] |
| n cercariae | 23 | 96 | - | - | - | - | - | 10 | 25 | 5 | 20 |
| L total | 959.4–1062 (101,006 ± 31.31) |
750–937 (839.07 ± 41.98) | 684–1212 | 930 | 990 | 1010 | 1045–1140 | 805–875 | 998–1085 | 1056–1114 | 816–931 |
| L body | 342–432 (378.24 ± 22.12) | 185–315 (262.45 ± 24.36) | - | 280 | 280 | 330 | 400–435 | 245–270 | 259–317 | 259–278 | 269–307 |
| W body | 61–92 (79.59 ± 8.92) | 45–84 (63.92 ± 7.35) | - | 70 | 70 | 110 | 90–100 | 60–65 | 58–77 | 67–77 | 83 |
| L tail stem | 354–467 (422.21 ± 29.04) | 358–488 (422.55 ± 26.35) | - | 650 | 530 | 510 | 410–450 | 405–450 | 528–576 | 595–624 | 582–624 |
| L furca | 193–228 (209.61 ± 9.39) | 131–176 (155.47 ± 9.28) | - | - | 180 | 170 | 235–290 | 125–175 | 163–211 | 182–211 | 192–240 |
| L × W penetration organ | 109–135 (119.82 ± 7.31) × 40–62 (51.59 ± 5.07) | 54–93 (73.55 ± 6.07) × 28–52 (39.19 ± 4.26) | - | - | - | 90 × 50 | 100–113 × 50–63 | 65–85 × 38–45 | 77 × 40 | 96–108 × 36–43 | 99 × 48 |
| D eye spots | 7–11 (9.18 ± 1.05) |
6–10 (8.22 ± 0.96) |
- | - | - | - | - | - | - | - | - |
| Eye spots position | 2nd third | 2nd third | - | - | - | 1st third | 2nd third | 2nd third | 2nd third | 2nd third | 2nd third |
| Flame cells | 12 | 14 | - | 14 | - | 14 | - | - | 12 | - | 12 |
| D Ace | 22–39 (31.86 ± 3.83) | 20–36 (26.31 ± 3.01) | - | - | 25 | 35 | 35–40 | 20–28 | 24–29 | 24–34 | 29–38 |
| Ae-Ace | 199–270 (234.95 ± 19.58) | 91–188 (143.69 ± 17.13) | - | 200 | 200 | 180 | 250–300 | 130–150 | 153 | 182–202 | 193 |
| L body: L tail stem | 1: 0.76–1.1 (0.9 ± 0.1) | 1:0.46–0.78 (0.62 ± 0.07) | - | 1:0.43 | 1:0.52 | 1:0.65 | 1:0.9–1 | 1:0.5–0.6 | 1:0.5–0.6 | 1:0.4–0.5 | 1:0.4–0.6 |
| L tail stem: L furca | 1:1.65–2.19 (2.02 ± 0.14) | 1:2.32–3.14 (2.72 ± 0.17) | - | - | 1:2.9 | 1:3 | 1:1.5–1.8 | 1:2.3–3.4 | 1:2.5–3.4 | 1:3–3.3 | 1:2.4–3.3 |
| L prim | 15–29 (21.87 ± 3.49) | 15–34 (21.25 ± 3.67) | - | - | - | - | - | - | - | - | - |
| Ace-prim | 0–12 (4.87 ± 2.94) | 13–46 (32.73 ± 6.95) | - | - | - | - | - | - | - | - | - |
Symbols and abbreviations: * = cited as “Trichobilharzia sp.”; AR = Argentina; CHI = Chile; L = length; W = width; D = diameter; Ae = anterior end; Ace = acetabulum; prim = genital primordium; “-“ = information was not detailed. References: [a] Valdovinos & Balboa (2008), [b] Szidat (1951), [c] Martorelli (1984), [d] Flores et al. (2015).