A new Himasthlinae species, Curtuteria arguinae, is described as metacercariae from the cockle Cerastoderma edule (L.), collected at Banc d'Arguin (southwestern France). These metacercariae encysted preferentially in the mantle and also in the foot of cockles. Encysted and chemically excysted metacercariae were studied by light microscopy and scanning electron microscopy, respectively. Excysted metacercariae were elongated and curved ventrally. They bore a 33-spine circumoral collar. Sensory papillae were arranged around the oral sucker and also symmetrically along the ventral surface body, from the collar to the acetabulum. The dorsal and ventral tegument surfaces were densely packed with similar pointed spines. The posterior end of the body was without any spines. Among the Curtuteria species described previously, only Curtuteria haematopodis Smogorjewskaja and Iskova, 1966 had the same number of circumoral collar spines. A 6-yr field survey showed that the cockle population at Banc d'Arguin was subjected to a summer infection of C. arguinae. Curtuteria arguinae phenology of infection is characterized by interannual variability and seasonality (beginning in July–August and maximum in autumn). The first intermediate and final hosts remain unknown.
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June 2006
Research Article|
June 01 2006
FIRST RECORD AND DESCRIPTION OF METACERCARIAE OF CURTUTERIA ARGUINAE N. SP. (DIGENEA: ECHINOSTOMATIDAE), PARASITE OF COCKLES CERASTODERMA EDULE (MOLLUSCA: BIVALVIA) IN ARCACHON BAY, FRANCE
Céline Desclaux;
Céline Desclaux
Laboratoire d'Océanographie Biologique, UMR 5805 EPOC CNRS–Université Bordeaux 1, 2 rue du Professeur Jolyet, 33120 Arcachon, France. c.desclaux@epoc.u-bordeaux1.fr
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Fernanda Russell-Pinto;
Fernanda Russell-Pinto
Laboratoire d'Océanographie Biologique, UMR 5805 EPOC CNRS–Université Bordeaux 1, 2 rue du Professeur Jolyet, 33120 Arcachon, France. c.desclaux@epoc.u-bordeaux1.fr
* Department of Aquatic Production, Laboratory of Aquatic Zoology, ICBAS—Abel Salazar Institute for the Biomedical Sciences, Centre for Marine and Environmental Research—CIIMAR, University of Oporto, Lg. Prof. Abel Salazar 2, 4099-003 Porto, Portugal
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Xavier de Montaudouin;
Xavier de Montaudouin
Laboratoire d'Océanographie Biologique, UMR 5805 EPOC CNRS–Université Bordeaux 1, 2 rue du Professeur Jolyet, 33120 Arcachon, France. c.desclaux@epoc.u-bordeaux1.fr
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Guy Bachelet
Guy Bachelet
Laboratoire d'Océanographie Biologique, UMR 5805 EPOC CNRS–Université Bordeaux 1, 2 rue du Professeur Jolyet, 33120 Arcachon, France. c.desclaux@epoc.u-bordeaux1.fr
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J Parasitol (2006) 92 (3): 578–587.
Citation
Céline Desclaux, Fernanda Russell-Pinto, Xavier de Montaudouin, Guy Bachelet; FIRST RECORD AND DESCRIPTION OF METACERCARIAE OF CURTUTERIA ARGUINAE N. SP. (DIGENEA: ECHINOSTOMATIDAE), PARASITE OF COCKLES CERASTODERMA EDULE (MOLLUSCA: BIVALVIA) IN ARCACHON BAY, FRANCE. J Parasitol 1 June 2006; 92 (3): 578–587. doi: https://doi.org/10.1645/GE-3512.1
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