Volume 50/Number 1/Abstract 5
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Acta Parasitologica, Vol.50, No. 1, 2005, 49-55
Anna Faltynkova - Larval trematodes (Digenea) in molluscs from small water bodies near Ceske Budejovice, Czech Republic

Faculty of Biological Sciences, University of South Bohemia; Institute of Parasitology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
*Corresponding address: faltyn@bf.jcu.cz

A total of 2802 molluscs from two fishponds and one swamp in the vicinity of Ceske Budejovice, South Bohemia, were examined between 1998 and 2000. A total of 12 species of molluscs were infected (33.9%, n = 951) with larval trematodes of 28 species (26 species were represented by cercariae, 8 species by metacercariae; 6 species were found both as cercariae and metacercariae). The dominant species found as cercariae were Tylodelphys excavata (Diplostomidae), Plagiorchis elegans (Plagiorchiidae), Echinostoma spiniferum sensu Nasincova (1992) and E. revolutum (Echinostomatidae). Three cases of double infections with cercariae were found; metacercariae often occurred together in one snail (up to five species). The most infected hosts were Planorbarius corneus (78.2%, n = 662), Lymnaea corvus (65.5%, n = 55) and Lymnaea stagnalis (47.1%, n = 473). Most of the trematode species reported mature in birds and are widely distributed in other parts of Europe. The common species found as cercariae are illustrated.

KEY WORDS: Mollusca, Planorbidae, Lymnaeidae, Trematoda, cercariae, metacercariae, Czech Republic

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