Journal
ITALIAN JOURNAL OF ZOOLOGY
Volume 78, Issue 4, Pages 497-504Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/11250003.2011.572565
Keywords
Polydora; Dipolydora; shell-borer; bivalve
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Funding
- Agencia Nacional de Promocion Cientifica y Tecnologica [PICT 1374, PICT 1674]
- Russian Foundation for Basic Research [09-04-01235]
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Six native bivalves of commercial interest, Aequipecten tehuelchus, Mytilus sp., Aulacomya atra, Ostrea puelchana, Protothaca antiqua and Pododesmus rudis, were examined on account of shell-boring spionid polychaetes in northern Patagonia, Argentina. Adults of Polydora rickettsi were found boring into shells of all molluscs but Mytilus sp., whereas Dipolydora cf. giardi was found only in shells of A. atra. The intensity of infestation of molluscs was low, and the prevalence of infestation by P. rickettsi varied from 20 to 54%, depending on the host species. Both boring spionids are reported for the first time from the Patagonian coast, and also as shell-borers of the examined molluscs.
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