Table 1 Summary of Hoferellus spp. reports from Alosa spp. including information on localities and morphological characteristics
Plasmodia | Spores | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Species | Host records | Localities | Site of infection | Size (μm) | Description | Spore size (μm) | Description | Valve striations | Posterior processes | PC size (μm) | PC description |
H. alosae n. sp. | Alosa alosa (L.) | Dordogne and Garonne (France), Rhine (Germany) | Renal tubules, ureters, urinary bladder | 25–71 × 18–53 | Polymorphous in shape, di- to polysporous, without pan-sporoblasts; surface with finger-like processes | L: 9.1–10.3 (9.7 ± 0.4); W: 7.7–9.2 (8.4 ± 0.5); T: 7.2–8.3 (7.7 ± 0.3) | Subspherical, pronounced suture line; single-celled bi-nucleated sporoplasm | 12 longitudinal ridges | 2, small, occasionally up to 7 hair-like filaments up to 22 μm long | L: 3.5–4.4 (4.0 ± 0.2); W: 2.4–3.6 (3.0 ± 0.3) | Equal in size, subspherical, pyriform; filament in 5 coils |
H. jurachni Moshu & Trombitsky, 2006 | Alosa tanaica (Grimm, 1901) [31] | Sasyk Lake, Cuciurgan reservoir | Renal tubules, ureters, urinary bladder | 24–63 × 15–25, disporous pansporoblasts 12.5–16.5 | Polymorphous in shape, polysporous, with disporous pansporoblasts; surface with small lobo- podia | L: 8.5–12.5 W: 6.4–7.5 T: 7.5–10.0 | Triangular shape; flattened anterior pole, narrow posterior pole | 4–8 longitudinal lines | Numerous short, lamellate processes surrounded by transparent mucous envelope | L: 3.5–4.0 | Equal in size, spherical, pointed towards opening |
H. caudatus (Parisi, 1910) (syns Sphaerospora caudata; Mitraspora caudata) | Alosa agone (Scopoli, 1786) [33]a; | Lake Como, Italy | Renal tubules | Polymorphous in shape, with disporous pansporoblasts and lobopodia | L: 10–11 | Subspherical, valves thick (2–3 μm), pronounced suture line | Posterior end of valves serrated with 6 long filaments emerging from small projections | L: 4.0–4.5 | |||
Black Sea | |||||||||||
H. caspialosum (Dogiel & Bychovsky, 1939) (syn. Sphaerospora caspialosae) | Alosa caspia caspia (Eichwald, 1838) [32]b | Peninsula Sara, Caspian Sea, Azerbaijan | Renal tubules | 12–15 | Round in shape | L: 8.5; W: 7.7 | Round to oval | Posterior end of spore with a number of small protrusions/projections; long filaments not observed | Polar filament in 4 coils | ||
Alosa immaculata Bennet, 1835c; Alosa fallax, (Lacépède, 1803) [37]d | Black Sea | ||||||||||