Garrapatas (ixodida) y ácaros (mesostigmata) parásitos de roedores sigmodontinos del delta del Paraná, Argentina
; Lareschi, Marcela
; Monje, Lucas Daniel
; Nava, Santiago
; Antoniazzi, Leandro Raúl
; Beldomenico, Pablo Martín
; Guglielmone, Alberto Alejandro 
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Fecha
12/2013
Editorial
Universidad Nacional del Litoral
Revista
Fave Ciencias Veterinarias
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1666-938X
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Español
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Resumen
Se determinaron las especies de garrapatas y ácaros mesostigmata parásitos de roedores sigmodontinos en una localidad del Delta del Paraná. Fueron registradas 38 asociaciones parásito-hospedador entre dos especies de garrapatas y cinco especies de ácaros con seis especies de roedores, que mostraron una distribución agregada de sus parásitos. Dos de las asociaciones (Holochilus brasiliensis-Amblyomma triste y H. brasiliensis-Ixodes loricatus) son nóveles, siendo la asociación H. brasiliensis-Am. triste de importancia sanitaria ya que esta garrapata es vector de Rickettsia parkeri, patógeno que afecta a los humanos. La mayoría de las asociaciones se detectaron previamente sólo en la eco-región correspondiente a la localidad de estudio. Por el contrario, unas pocas asociaciones ya registraban antecedentes para otras regiones argentinas, el Brasil, Paraguay o el Uruguay.
The species of ticks (Ixodida) and mites (Mesostigmata) parasites of sigmodontine rodents were determined in a locality of the Paraná River Delta. A total of 38 host-parasite associations between two species of ticks and five species of mites were found from six species of rodents. Aggregated distributions of parasites on hosts characterized those associations. Two associations (Holochilus brasiliensis-Amblyomma triste y H. brasiliensis-Ixodes loricatus) were not registered before, and the H. brasiliensis-Am.triste association is of sanitary importance because this tick is a vector of rickettsiosis to humans. The majority of the associations were previously found only in the ecoregion where the study site is located. In contrast a few of the associations reported have antecedents in other regions of Argentina, Brazil, Paraguay or Uruguay.
The species of ticks (Ixodida) and mites (Mesostigmata) parasites of sigmodontine rodents were determined in a locality of the Paraná River Delta. A total of 38 host-parasite associations between two species of ticks and five species of mites were found from six species of rodents. Aggregated distributions of parasites on hosts characterized those associations. Two associations (Holochilus brasiliensis-Amblyomma triste y H. brasiliensis-Ixodes loricatus) were not registered before, and the H. brasiliensis-Am.triste association is of sanitary importance because this tick is a vector of rickettsiosis to humans. The majority of the associations were previously found only in the ecoregion where the study site is located. In contrast a few of the associations reported have antecedents in other regions of Argentina, Brazil, Paraguay or Uruguay.
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