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Abstract:

The partial life cycle of an echinostomatid found in Lymnaea viatrix from Patagonia, Argentina, was experimentally clarified. Emerging cercariae were exposed to laboratory-reared specimens of Biomphalaria sp. Metacercariae obtained from both naturally and experimentally infected snails were force-fed to chicks. Specimens recovered from the chicks belong to Echinoparyphium sp. on the basis of morphological features. The studied species possesses 43 collar spines arranged in 4-4-27-4-4 at all stages, a cercariae with over 100 small corpuscles in the excretory system, a cercariae tail without finfolds, and a metacercariae with a thin cyst wall. The present species cannot be assigned to Echinoparyphium megacirrus despite their morphological similarity because of differences in the habitats of L. viatrix and the intermediate hosts of E. megacirrus, namely Chilina dombeiana, Diplodon chilensis, and Temnocephala chilensis. More information on some life cycle stages and on the ecology of the intermediate hosts is needed to clarify the taxonomic status of the parasite. This study represents the first detailed description of parasites other than Fasciola hepatica in L. viatrix from Argentina. © American Society of Parasitologists 2007.

Registro:

Documento: Artículo
Título:Echinostomatid larval stages in Lymnaea viatrix (Gastropoda: Pulmonata) from southwest Patagonia, Argentina
Autor:Prepelitchi, L.; De Núñez, M.O.
Filiación:Unidad de Ecología de Reservorios Y Vectores de Parásitos, Departamento de Ecología, Genética Y Evolución, Lab. 55, C1428EHA, Buenos Aires, Argentina
Laboratorio de Helmintología, Departamento de Biodiversidad Y Biología Experimental, Lab. 52, C1428EHA, Buenos Aires, Argentina
Palabras clave:intermediate host; larva; life cycle; morphology; parasite; snail; taxonomy; animal experiment; animal model; Argentina; article; cercaria; Echinostoma; ecology; experimental infection; Fasciola hepatica; host parasite interaction; intermediate host; larval development; life cycle; Lymnaea; Lymnaea viatrix; morphology; nonhuman; parasite; small intestine; snail; taxonomic identification; trematode; Animals; Argentina; Chickens; Echinostomatidae; Larva; Lymnaea; Patagonia; South America; Biomphalaria; Chilina dombeiana; Diplodon chilensis; Echinoparyphium; Echinostomatidae; Fasciola hepatica; Gastropoda; Lymnaea viatrix; Pulmonata; Temnocephala
Año:2007
Volumen:93
Número:2
Página de inicio:323
Página de fin:327
DOI: http://dx.doi.org/10.1645/GE-1014R.1
Título revista:Journal of Parasitology
Título revista abreviado:J. Parasitol.
ISSN:00223395
CODEN:JOPAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00223395_v93_n2_p323_Prepelitchi

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Citas:

---------- APA ----------
Prepelitchi, L. & De Núñez, M.O. (2007) . Echinostomatid larval stages in Lymnaea viatrix (Gastropoda: Pulmonata) from southwest Patagonia, Argentina. Journal of Parasitology, 93(2), 323-327.
http://dx.doi.org/10.1645/GE-1014R.1
---------- CHICAGO ----------
Prepelitchi, L., De Núñez, M.O. "Echinostomatid larval stages in Lymnaea viatrix (Gastropoda: Pulmonata) from southwest Patagonia, Argentina" . Journal of Parasitology 93, no. 2 (2007) : 323-327.
http://dx.doi.org/10.1645/GE-1014R.1
---------- MLA ----------
Prepelitchi, L., De Núñez, M.O. "Echinostomatid larval stages in Lymnaea viatrix (Gastropoda: Pulmonata) from southwest Patagonia, Argentina" . Journal of Parasitology, vol. 93, no. 2, 2007, pp. 323-327.
http://dx.doi.org/10.1645/GE-1014R.1
---------- VANCOUVER ----------
Prepelitchi, L., De Núñez, M.O. Echinostomatid larval stages in Lymnaea viatrix (Gastropoda: Pulmonata) from southwest Patagonia, Argentina. J. Parasitol. 2007;93(2):323-327.
http://dx.doi.org/10.1645/GE-1014R.1