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Amblyomma aureolatum (Acari: Ixodidae): nuevos registros en las provincias de Buenos Aires y Santa Fe, Argentina
Colombo, Valeria Carolina; Pereira, Javier Adolfo; Nava, Santiago; Beldomenico, Pablo Martín (2016-06)En los meses de julio de 2015 y enero de 2016 se colectaron garrapatas de un gato montés (Leopardus geoffroyi) localizado en la provincia de Buenos Aires y de un canino doméstico (Canis lupus familiaris) en la provincia ... -
Dynamics of Exposure to Rickettsia parkeri in Cattle in the Paraná River Delta, Argentina
Monje, Lucas D.; Costa, Francisco Borges; Colombo, Valeria C.; Labruna, Marcelo B.; Antoniazzi, Leandro Raúl; Gamietea, Ignacio José; Nava, Santiago; Beldomenico, Pablo Martín (Oxford Academic Press, 2016-05)Several cases of human rickettsiosis caused by Rickettsia parkeri were recently documented in the Paraná River delta of Argentina, where the tick vector is Amblyomma triste Koch. As cattle suffer recurrent A. triste ... -
Ecology of the interaction between Ixodes loricatus (Acari: Ixodidae) and Akodon azarae (Rodentia: Criceridae)
Colombo, Valeria Carolina; Nava, Santiago; Antoniazzi, Leandro Raúl; Monje, Lucas Daniel; Racca, Andrea Laura; Guglielmone, Alberto; Beldomenico, Pablo Martín (2015-10)The present study explores associations of different factors (i.e. host parameters, presence of other ectoparasites and [mainly biotic] environmental factors) with burdens of Ixodes loricatus immature stages in one of its ... -
Factors affecting patterns of Amblyomma triste (Acari: Ixodidae) parasitism in a rodent host
Colombo, Valeria Carolina; Nava, Santiago; Antoniazzi, Leandro Raúl; Monje, Lucas Daniel; Racca, Andrea Laura; Guglielmone, Alberto; Beldomenico, Pablo Martín (2015-07-30)Here we offer a multivariable analysis that explores associations of different factors (i.e., environmental, host parameters, presence of other ectoparasites) with the interaction of Amblyomma triste immature stages and ... -
Garrapatas (ixodida) y ácaros (mesostigmata) parásitos de roedores sigmodontinos del delta del Paraná, Argentina
Colombo, Valeria Carolina; Lareschi, Marcela; Monje, Lucas Daniel; Nava, Santiago; Antoniazzi, Leandro Raúl; Beldomenico, Pablo Martín; Guglielmone, Alberto (2013)Se determinaron las especies de garrapatas y ácaros mesostigmata parásitos de roedores sig-modontinos en una localidad del Delta del Paraná. Fueron registradas 38 asociaciones parásito-hospedador entre dos especies de ... -
Host-parasite association between Didelphis albiventris (Didelphimorphia: Didelphidae) and Ixodes loricatus (Acari: Ixodidae) in their southern ranges
Tarragona, Evelina Luisa; Mastropaolo, Mariano; Zurvera, Daniel; Beldomenico, Pablo Martín; Guglielmone, Alberto (2018-05)The parasitism of Ixodes loricatus Neumann on white-eared opposum, Didelphis albiventris Lund, was analysed in the southern ranges of both. In central Argentina, 118 wild opossums were captured from 2005 to 2012. Adults ... -
Mycobacterium intracellulare infection in a capybara (Hydrochoerus hydrochaeris)
Pezzone, Natalia; Eberhardt, Ayelén; Fernandez, Analía; Garbaccio, Sergio Gabriel; Zumarraga, Martin Jose; Gioffre, Andrea; Magni, Carolina; Beldomenico, Pablo Martín; Marini, M. Rocío; Canal, Ana María (American Association of Zoo Veterinarians, 2013-12)This report describes the first case of Mycobacterium intracellulare infection with typical granulomatous lesions of mycobacteriosis in a capybara (Hydrochoerus hydrochaeris). The individual was a captive-bred young female, ... -
New host species for Leptospira borgpetersenii and Leptospira interrogans serovar Copenhageni
Colombo, Valeria Carolina; Gamietea, Ignacio José; Grune Loffler, Sylvia; Brihuega, Bibiana Felicitas; Beldomenico, Pablo Martín (Elsevier, 2018)We investigated the presence of infection by Leptospira spp. in an assembly of Sigmodontinae rodents from the Paraná Delta, Argentina. Rodents were captured in places with natural grassland, implanted forest, with and ... -
Seasonality of immature stages of Ixodes loricatus (Acari: Ixodidae) in the Paraná Delta, Argentina
Colombo, Valeria Carolina; Guglielmone, Alberto; Monje, Lucas Daniel; Nava, Santiago; Beldomenico, Pablo Martín (2014-10)In this study we analyzed seasonal trends of immature stages of Ixodes loricatus parasitizing Akodon azarae (Sigmodontinae) in a locality of the Paraná Delta, Buenos Aires, Argentina. The data encompassed two consecutive ... -
Tick host specificity: an analysis based on host phylogeny and tick ecological features using Amblyomma triste and Amblyomma tigrinum immature stages
Colombo, Valeria Carolina; Fasano, Agustín A.; Beldomenico, Pablo Martín; Nava, Santiago (2018-05)Here we have evaluated tick host specificity with two different methodological approaches considering Amblyomma tigrinum and Amblyomma triste immatures as targets. Firstly, the Std* index was applied, which considers host ...