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SPECIES OF BRANCHIOBDELLIDAE (ANNELIDA) ON FRESHWATER CRAYFISH IN SOUTH TYROL (NORTHERN ITALY)
Twenty-eight freshwater crayfish were collected from 8 streams and one small lake in the province of South Tyrol (North Italy) from autumn 1999 to spring 2001, in order to investigate the presence of branchiobdellidans. At 6 of the streams the white clawed crayfish (Austropotamobius pallipes italicus) was collected, while the noble crayfish (Astacus astacus), the exotic species: signal crayfish (Pacifastacus leniusculus) and spiny-cheek crayfish (Orconectes limosus) were respectively caught at the other 2 streams and at the lake. Except for O. limosus, branchiobdellidans were observed on all crayfish examined. On noble crayfish, specimens of Branchiobdella italica and Branchiobdella hexodonta were found on the same host. Branchiobdella italica was largely recovered from all white clawed crayfish. The specimens of signal crayfish were found to carry only Xironogiton victoriensis.
Auteurs du document :
B. OBERKOFLER, F. QUAGLIO, L. FÜREDER, M. L. FIORAVANTI, S. GIANNETTO, C. MOROLLI, G. MINELLIObtenir le document :
EDP SciencesMots clés :
Branchiobdellidae, freshwater crayfish, annelids, North Italy, Branchiobdellidae, écrevisse, Annelida, Italie du NordDate :
2008-05-01Format :
text/xmlSource :
https://doi.org/10.1051/kmae:2002065Langue :
AnglaisTélécharger les documents :
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Ce portail, créé et géré par l'Office International de l'Eau (OiEAU), est géré avec l'appui de l’Office français de la biodiversité (OFB)