New larval trematodes in Biomphalaria species (Planorbidae) from Northeastern Argentina

Larval trematodes infecting Biomphalaria tenagophila and B. occidentalis were surveyed in a suburban and semipermanent pond of Corrientes province, Northeastern Argentina. A total of 1,409 snails were examined between spring 2011 to winter 2013, and 8 different larval trematodes were studied morphol...

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Bibliographic Details
Published in:Acta parasitologica 2016-09, Vol.61 (3), p.471-492
Main Authors: Fernández, María Virginia, Hamann, Monika Inés, de Núñez, Margarita Ostrowski
Format: Article
Language:English
Subjects:
Animal Systematics/Taxonomy/Biogeography
Animals
Argentina
Biomedical and Life Sciences
Biomedicine
Biomphalaria - parasitology
Drought
Ecology
Environment
freshwater gastropods
Larva - growth & development
larval stages
Medical Microbiology
Microbiology
Mollusks
Northeastern Argentina
Parasites
Parasitology
Precipitation
Seasons
Suburban areas
Trematoda
Trematoda - classification
Trematoda - growth & development
Trematoda - isolation & purification
Winter
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Summary:Larval trematodes infecting Biomphalaria tenagophila and B. occidentalis were surveyed in a suburban and semipermanent pond of Corrientes province, Northeastern Argentina. A total of 1,409 snails were examined between spring 2011 to winter 2013, and 8 different larval trematodes were studied morphologically. Three of these species—Echinocercaria sp. IV, Ribeiroia sp. and Echinocercaria sp. XIV–have been previously found in Corrientes province. Six other trematodes belonging to Strigeidae (Furcocercaria sp. III), Clinostomidae (Cercaria Clinostomidae sp.), Spirorchiidae (Cercaria Spirorchiidae sp.) and Echinostomatidae (Echinocercaria sp. 1, Echinocercaria sp. 2, Echinocercaria sp. 3) are new species parasitizing Biomphalaria snails. Cercaria Spirorchiidae sp. is the third larval trematode related to Spirorchiidae recorded in South America and the first one for Argentina. Cercaria Clinostomidae sp. is the first one related to Clinostomidae in northeastern Argentina. The prevalence of larval trematodes infecting B. tenagophila and B. occidentalis in the environment studied was low (
ISSN:1230-2821
1896-1851
DOI:10.1515/ap-2016-0064