Water snails as paratenic hosts of Hymenolepididae Fuhrmann, 1907 in Czechoslovakia.

The distribution of cysticercoids of Hymenolepididae Fuhrmann, 1907 parasitizing water birds (Anseriformes and Ralliformes) in Czechoslovakia was studied. A total of 2970 snail specimens (429 Lymnaea stagnalis (L.), 531 L. ovata (Drap.), 1, 462 L. peregra (O. F. Müll.), 158 L. auricularia (L.), 262 Planorbis planorbis (L.) and 65 Viviparus viviparus (L.)) were examined for this purpose. Among them, 122 snails were infected with cysticercoids of 13 cestode species (Dicranotaenia coronula (Dujardin, 1845), Diorchis inflata (Rudolphi, 1810), D. nyrocae Yamaguti, 1935, D. ransomi Schultz, 1940, Diploposthe laevis (Bloch, 1782), Echinocotyle rosetteri Blanchard, 1891, Fimbriaria fasciolaris (Pallas, 1781), Microsomacanthus compressa (Linton 1892), M. paracompressa (Czaplinski, 1956), M. paramicrosoma (Gasowska, 1931), M. spiralibursata (Czaplinski, 1956), Sobolevicanthus gracilis (Zeder, 1803), and S. octacantha (Krabbe, 1869).