ausblenden:
Schlagwörter:
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Zusammenfassung:
Large-tailed echinostomatid cercariae of
the genus Petasiger Dietz, 1909 (Digenea: Echinostomatidae)
from the planorbid snails Gyraulus albus
(Mu¨ ller) and Planorbis planorbis (L.) collected in
Germany and the Czech Republic and metacercariae
from Gasterosteus aculeatus L. (Gasterosteiformes:
Gasterosteidae) collected in Canada are characterised
morphologically and molecularly. The rediae, cercariae
and metacercariae are described in detail and
compared with the existing data on the larval stages of
Petasiger spp. Comparative molecular analyses using
28S rDNA and nad1 mitochondrial sequences supported
the distinct status of four species of Petasiger.
Molecular and morphological evidence for their
distinction and an updated key to the known largetailed
cercariae of Petasiger from the Palaearctic are
provided.
