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Autores
Mostrando ítems 1-16 de 16
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Amblyomma hadanii n. sp. (Acari: Ixodidae), a tick from northwestern Argentina previously confused with Amblyomma coelebs Neumann, 1899
Nava, Santiago; Mastropaolo, Mariano; Mangold, Atilio Jose; Martins, Thiago F.; Venzal, José Manuel; Guglielmone, Alberto (2014-07)All stages of Amblyomma hadanii n. sp. (Acari: Ixodidae) are described from northwestern Argentina. The diagnostic characters for males are a combination of the pattern of scutal ornamentation, basis capituli dorsally ... -
Development and evaluation of a double-antigen sandwich ELISA to identify Anaplasma marginale–infected and A. centrale–vaccinated cattle
Sarli, Macarena; Thompson, Carolina Soledad; Novoa, María Belen; Valentini, Beatriz Susana; Mastropaolo, Mariano; Echaide, Ignacio Eduardo; Torioni, Susana Marta; Primo, María Evangelina (American Association of Veterinary Laboratory Diagnosticians, 2019-11)Bovine anaplasmosis is a worldwide infectious disease caused by the intraerythrocytic bacterium Anaplasma marginale, which is transmitted by ticks and fomites. A. centrale is a less virulent subspecies used as a live ... -
Different lines of evidence used to delimit species in ticks : a study of the South American populations of Amblyomma parvum (Acari: Ixodidae)
Nava, Santiago; Gerardi, Monize; Szabó, Matías P.J.; Mastropaolo, Mariano; Martins, Thiago F.; Labruna, Marcelo B.; Beati, Lorenza; Estrada-Peña, Agustín; Guglielmone, Alberto Alejandro (2016-10)The goal of this work was to combine different lines of evidence besides that of molecular markers to delimit species in ticks when the molecular data are not totally congruent. Two groups (Argentina, Brazil) of South ... -
Distribution and genetic variation of Amblyomma triste (Acari: Ixodidae) in Argentina
Guglielmone, Alberto; Nava, Santiago; Mastropaolo, Mariano; Mangold, Atilio Jose (2013-09)A study was conducted to investigate the distribution of Amblyomma triste in Argentina under the hypothesis that this tick prevails in riparian localities along the Paraná River and adjacent humid environments from 34°30′ ... -
Divergent environmental preferences and areas of sympatry of tick species in the Amblyomma cajennense complex (Ixodidae)
Estrada-Peña, Agustín; Tarragona, Evelina Luisa; Vesco, Umberto; de Meneghi, Daniele; Mastropaolo, Mariano; Mangold, Atilio Jose; Guglielmone, Alberto; Nava, Santiago (2014-12)Four species of Neotropical ticks, Amblyomma mixtum, Amblyomma cajennense, Amblyomma tonelliae and Amblyomma sculptum (formerly included in the catch-all name A. cajennense), have an allopatric distribution in much of their ... -
Ecology and genetic variation of Amblyomma tonelliae in Argentina
Tarragona, Evelina Luisa; Mangold, Atilio Jose; Mastropaolo, Mariano; Guglielmone, Alberto; Nava, Santiago (2015-09)The ecology of Amblyomma tonelliae (Ixodida: Ixodidae), including its seasonal distribution and the development periods of each stage, was investigated during a study carried out over two consecutive years in northwestern ... -
Effect of deforestation and introduction of exotic grasses as livestock forage on the population dynamics of the cattle tick Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) in northern Argentina
Nava, Santiago; Mastropaolo, Mariano; Guglielmone, Alberto; Mangold, Atilio Jose (2013-12)The effect of deforestation and the introduction of exotic grasses on the population dynamics of Rhipicephalus (Boophilus) microplus in northern Argentina was analysed. Biological parameters that were measured included ... -
High prevalence of “Candidatus Rickettsia amblyommii” in Amblyomma ticks from a Spotted Fever Endemic Region in North Argentina
Mastropaolo, Mariano; Tarragona, Evelina Luisa; Nava, Santiago; Pfister, Kurt; Thiel, Claudia; Silaghi, Cornelia (2016)Ticks from an endemic Spotted Fever region in Argentina were analysed by PCR for Spotted Fever Group Rickettsiae. DNA of “Candidatus Rickettsia amblyommii” was found in 21.3% of Amblyomma hadanii and in 44.0% of A. neumanni. ... -
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 ... -
Non-parasitic life cycle of the cattle tick Rhipicephalus (Boophilus) microplus in Panicum maximum pastures in northern Argentina
Mastropaolo, Mariano; Mangold, Atilio Jose; Guglielmone, Alberto; Nava, Santiago (2017)The aim of this work was to study the non-parasitic phase of the Rhipicephalus microplus life cycle in Panicum maximum grasses from northern Argentina, in order to provide ecological information for designing methods of ... -
Ornithodoros quilinensis sp. nov. (Acari, Argasidae), a new tick species from the Chacoan region in Argentina
Venzal, José Manuel; Nava, Santiago; Mangold, Atilio Jose; Mastropaolo, Mariano; Casás, Gustavo; Guglielmone, Alberto (Springer, 2012-09)Ornithodoros quilinensis sp. nov. (Acari: Argasidae) is described from larvae collected on the small rodents Graomys centralis (Cricetidae: Sigmodontinae) in Argentina. The diagnostic characters for this new species are a ... -
Presence of Borrelia in different populations of Ixodes pararicinus from northwestern Argentina
Saracho Bottero, Maria Noelia; Sebastian, Patrick Stephan; Carvalho, Luis A.; Guardia Claps, Leonor; Mastropaolo, Mariano; Mangold, Atilio Jose; Venzal, José Manuel; Nava, Santiago (2017)This work was performed to evaluate the presence of Borrelia in different populations of Ixodes pararicinus from northwestern Argentina (Jujuy, Salta and Tucumán provinces). Questing adults and nymphs of I. pararicinus ... -
Rickettsia infection in Amblyomma tonelliae, a tick species from the Amblyomma cajennense complex
Tarragona, Evelina Luisa; Cicuttin, Gabriel L.; Mangold, Atilio Jose; Mastropaolo, Mariano; de Salvo, María Nazarena; Nava, Santiago (2015-03)The present study was performed to evaluate the Rickettsia infection in Amblyomma tonelliae ticks from Argentina. All ticks were subjected to DNA extraction and tested by a battery of PCRs to amplify fragments of four ... -
Risks of cattle babesiosis (Babesia bovis) outbreaks in a semi-arid region of Argentina
Morel, Nicolas; Mastropaolo, Mariano; Torioni, Susana Marta; Signorini, Marcelo; Mangold, Atilio Jose (Elsevier, 2019-10)The epidemiology of Babesia bovis was studied in terms of enzootic stability/instability and husbandry and abiotic factors influencing B. bovis transmission rate in northeastern Santiago del Estero province, Argentina. The ... -
The taxonomic status of Rhipicephalus sanguineus (Latreille, 1806)
Nava, Santiago; Estrada-Peña, Agustín; Petney, Trevor; Beati, Lorenza; Labruna, Marcelo B.; Szabó, Matías P.J.; Venzal, José Manuel; Mastropaolo, Mariano; Mangold, Atilio Jose; Guglielmone, Alberto (2015-02)The brown dog tick, Rhipicephalus sanguineus sensu stricto, is a species with considerable public health and economic importance. However, the taxonomic status of this species is far from resolved. After more than 110 years ... -
The ticks (Acari: Ixodida: Argasidae, Ixodidae) of Bolivia
Mastropaolo, Mariano; Beltrán-Saavedra, L. Fabián; Guglielmone, Alberto (2014-03)The tick species reported in Bolivia are reviewed here as (1) endemic or established: Ornithodoros echimys, O. guaporensis, O. hasei, O. kohlsi, O. mimon, O. peropteryx, O. rostratus, Otobius megnini, Amblyomma auricularium, ...