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Abstract:

Austrodiplostomum compactum from Nannopterum brasilianus, and its metacercaria from Geophagus sp. and Oreochromis mossambicus captured (1979) at its type locality, Valencia Lake, Venezuela, by the author, are redescribed. The adult is characterized by its large body size, and an oral sucker smaller than the pharynx. The metacercaria has a similar body size as the adult, and the small genital primordia occupy 4.1-7.3% of body length. Experimental infections in chickens with metacercariae of Diplostomulum mordax from brains of Odonthestes bonariensis, captured (2015) at Dique Paso de las Piedras, near Bahia Blanca City, Buenos Aires Province, Argentina, resulted in 10 adults 5 days postexposure. These adults correspond to Austrodiplostomum mordax as described from N. brasilianus at Lacombe Lagoon, Buenos Aires Province, and differ from A. compactum in their smaller body size, and an oral sucker larger than the pharynx. The metacercaria has a similar body size as the adult and differs mainly in that the larger genital primordia occupy 11.6-13.8% of body length. The status of earlier published Austrodiplostomum species in the American continent is discussed in view of available morphological and molecular data. A lectotype of A. mordax is here designated, and Austrodiplostomum ostrowskiae is considered as a new synonym of A. compactum. © American Society of Parasitologists 2017.

Registro:

Documento: Artículo
Título:Redescription of Austrodiplostomum compactum (Trematoda: Diplostomidae) from its Type Host and Locality in Venezuela, and of Austrodiplostomum mordax from Argentina
Autor:De Núñez, M.O.
Filiación:Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, bellón II, Buenos Aires, 1428, Argentina
Palabras clave:body size; brain; fish; geographical distribution; morphology; new species; type locality; adult; Argentina; Article; Austrodiplostomium compactum; Austrodiplostomum mordax; body height; body size; chicken; Diplostomulum mordax; experimental infection; Geophagus; host parasite interaction; metacercaria; morphology; nonhuman; Odonthestes bonariensis; Oreochromis mossambicus; pharynx; primordium; trematode; Venezuela; anatomy and histology; animal; Biomphalaria; bird; bird disease; brain; cichlid; classification; eye; fish disease; intestine; isolation and purification; lake; parasitology; Tilapia; trematode; trematodiasis; veterinary; Alberta; Argentina; Bahia Blanca [(CTY) Buenos Aires]; Buenos Aires [Argentina]; Canada; Carabobo; Lacombe; Lake Valencia; Venezuela; Venezuela; Diplostomatidae; Gallus gallus; Geophagus; Odontesthes; Oreochromis mossambicus; Trematoda; Animals; Argentina; Biomphalaria; Bird Diseases; Birds; Brain; Chickens; Cichlids; Eye; Fish Diseases; Intestines; Lakes; Tilapia; Trematoda; Trematode Infections; Venezuela
Año:2017
Volumen:103
Número:5
Página de inicio:497
Página de fin:505
DOI: http://dx.doi.org/10.1645/16-128
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_v103_n5_p497_DeNunez

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Citas:

---------- APA ----------
(2017) . Redescription of Austrodiplostomum compactum (Trematoda: Diplostomidae) from its Type Host and Locality in Venezuela, and of Austrodiplostomum mordax from Argentina. Journal of Parasitology, 103(5), 497-505.
http://dx.doi.org/10.1645/16-128
---------- CHICAGO ----------
De Núñez, M.O. "Redescription of Austrodiplostomum compactum (Trematoda: Diplostomidae) from its Type Host and Locality in Venezuela, and of Austrodiplostomum mordax from Argentina" . Journal of Parasitology 103, no. 5 (2017) : 497-505.
http://dx.doi.org/10.1645/16-128
---------- MLA ----------
De Núñez, M.O. "Redescription of Austrodiplostomum compactum (Trematoda: Diplostomidae) from its Type Host and Locality in Venezuela, and of Austrodiplostomum mordax from Argentina" . Journal of Parasitology, vol. 103, no. 5, 2017, pp. 497-505.
http://dx.doi.org/10.1645/16-128
---------- VANCOUVER ----------
De Núñez, M.O. Redescription of Austrodiplostomum compactum (Trematoda: Diplostomidae) from its Type Host and Locality in Venezuela, and of Austrodiplostomum mordax from Argentina. J. Parasitol. 2017;103(5):497-505.
http://dx.doi.org/10.1645/16-128