<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Eleven species of trematode larvae (sporocysts and cercariae of Bucephalus labracis Paggi et Orecchia, 1965 and Cercaria lata Lespes, 1857 and metacercariae of Acanthoparyphium sp. Dietz , 1909, Caecincola parvulus Marshall et Gilbert, 1905, Curtuteria australis Allison, 1979, Gymnophallus fossarum Bartoli, 1965, Gymnophallus rebecqui Bartoli, 1983, Lepocreadium pegorchis Stossich, 1901, Parazoogonus sp. Looss, 1901, Psilostomum brevicolle Creplin, 1829 and Robphildollfusium fractum Rudolphi, 1819) were found in the clam (Ruditapes decussatus) from Tunisian coasts. A part from B. labracis and Cercaria lata, the other trematode species were recorded for the first time in Tunisia. The examination of the frequency of recorded parasites reveals some monthly variation. This variation is statistically significant by comparing the sampling sites. These results indicate that more frequent parasites (G. fossarum, Cercaria lata, Curtuteria australis and Acanthoparyphium sp.) could be considered as biological indicators making it possible to predict the capture localities of the clams.</p></abstract>

Eleven species of trematode larvae (sporocysts and cercariae of Bucephalus labracis Paggi et Orecchia, 1965 and Cercaria lata Lespes, 1857 and metacercariae of Acanthoparyphium sp. Dietz , 1909, Caecincola parvulus Marshall et Gilbert, 1905, Curtuteria australis Allison, 1979, Gymnophallus fossarum Bartoli, 1965, Gymnophallus rebecqui Bartoli, 1983, Lepocreadium pegorchis Stossich, 1901, Parazoogonus sp. Looss, 1901, Psilostomum brevicolle Creplin, 1829 and Robphildollfusium fractum Rudolphi, 1819) were found in the clam (Ruditapes decussatus) from Tunisian coasts. A part from B. labracis and Cercaria lata, the other trematode species were recorded for the first time in Tunisia. The examination of the frequency of recorded parasites reveals some monthly variation. This variation is statistically significant by comparing the sampling sites. These results indicate that more frequent parasites (G. fossarum, Cercaria lata, Curtuteria australis and Acanthoparyphium sp.) could be considered as biological indicators making it possible to predict the capture localities of the clams.

Digenean larvae parasitizing Ruditapes decussatus (Bivalvia) from Tunisianan coasts

Unité de recherche: Bioécologie et systématique évolutive, Faculté des Sciences de Tunis, Université de Tunis El Manar, 2092, Tunis, Tunisie

Laboratoire de Biosurveillance de l’Environnement, Groupe de Malacologie fondamentale et appliquée (CRG), Département de biologie, Faculté des Sciences de Bizerte, Université de Carthage,Tunisie

Helminthologia

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Eleven species of trematode larvae (sporocysts and cercariae of Bucephalus labracis Paggi et Orecchia, 1965 and Cercaria lata Lespes, 1857 and metacercariae of...

Digenean larvae parasitizing Ruditapes decussatus (Bivalvia) from Tunisianan coasts

Published Online: Apr 18, 2015

Page range: 104 - 112

Received: Jun 24, 2014

Accepted: Nov 19, 2014

DOI: https://doi.org/10.1515/helmin-2015-0019

© Institute of Parasitology, SAS, Košice

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.