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Exploring the ecological and evolutionary relationships between Rickettsia and hard ticks in the Neotropical region
(Elsevier, 2021-06)This study addresses a meta-analysis of the distribution of Rickettsia spp. in the Neotropical region, as well as their associations with ticks and vertebrates. A total of 219 published reports on Rickettsia in ticks in ... -
Factors affecting patterns of Amblyomma triste (Acari: Ixodidae) parasitism in a rodent host
(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 exóticas: hallazgo de Amblyomma latum Koch, 1844 (Acari: Ixodidae) parasitando Python regius (Serpentes: Boidae) en Uruguay
(Sociedad de Medicina Veterinaria del Uruguay, 2007-12)La introducción de parásitos vectores a través de animales exóticos adquiridos como mascotas puede generar riesgos sanitarios. El ingreso de garrapatas que usan como hospedadores reptiles exóticos ha sido reportado en ... -
Guía para la identificación de las principales especies de garrapatas que parasitan a los bovinos en la provincia de Entre Ríos, Argentina
(Ediciones INTA, 2019)Desde una perspectiva taxonómica, resulta fundamental la determinación de las distintas especies de garrapatas que parasitan con frecuencia a los bovinos. En este sentido, la correcta diagnosis morfológica diferencial de ... -
High prevalence of “Candidatus Rickettsia amblyommii” in Amblyomma ticks from a Spotted Fever Endemic Region in North Argentina
(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. ... -
Liolaemus lizards (Squamata: Liolaemidae) as hosts for the nymph of Amblyomma parvitarsum (Acari: Ixodidae), with notes on Rickettsia infection
(2016)Adults of Amblyomma parvitarsum are common ectoparasites of South American camelids of the genera Lama and Vicugna, occuring in highlands of Argentina, Bolivia, Chile, Peru and also in Argentinean Patagonia. Whereas larval ... -
Molecular detection of Candidatus Ehrlichia pampeana (Rickettsiales: Anaplasmataceae) in Haemaphysalis juxtakochi (Acari: Ixodidae) from central Argentina
(Springer, 2024-02)The aim of this study was to report the first detection of Candidatus Ehrlichia pampeana in Haemaphysalis juxtakochi from Argentina. Free-living ticks were collected from vegetation by drag-flag method on five sample sites ... -
Molecular Detection of Candidatus Rickettsia andeanae and Ehrlichia sp. in Amblyomma pseudoconcolor Aragão, 1908 (Acari: Ixodidae) from the Argentinian Patagonia
(MDPI, 2022-11)This study presents the molecular detection of Candidatus Rickettsia andeanae and Ehrlichia sp. in Amblyomma pseudoconcolor Aragão, 1908 (Acari: Ixodidae) collected on a large hairy armadillo (Chaetophractus villosus ... -
Molecular detection of the human pathogen Rickettsia parkeri strain Atlantic rainforest in Amblyomma ovale ticks in Argentina
(2018-05)Human rickettsioses caused by Rickettsia parkeri strain Atlantic rainforest in Brazil motivated the analysis of Amblyomma ovale ticks in Misiones province, a similar ecological region in northeastern Argentina. During ... -
Molecular evidence of Babesia species in Procyon cancrivorus (Carnivora, Procyonidae) in Uruguay
(2018-08)The crab-eating raccoon (Procyon cancrivorus) is a carnivore widely distributed from southern Central America to all South American countries except Chile. In the Southern cone of America, P. cancrivorus has been found ... -
Natural infestation of Hydrochoerus hydrochaeris by Amblyomma dubitatum ticks
(2014-06)Natural infestation of Amblyomma dubitatum in relation to individual specific attributes of Hydrochoerus hydrochaeris such as sex, body mass and body condition was analyzed. The anatomical distribution of A. dubitatum on ... -
Nellore cattle (Bos indicus) and ticks within the Brazilian Pantanal: ecological relationships
(2016-02)Pantanal is a huge floodplain mostly in Brazil, and its main economic activity is extensive cattle raising, in farms characterized by an extremely wildlife-rich environment. We herein describe tick infestations of cattle ... -
New insights into the molecular phylogeny, biogeographical history, and diversification of Amblyomma ticks (Acari: Ixodidae) based on mitogenomes and nuclear sequences
(BMC, 2024-03-18)Background: Amblyomma is the third most diversified genus of Ixodidae that is distributed across the Indomalayan, Afrotropical, Australasian (IAA), Nearctic and Neotropical biogeographic ecoregions, reaching in the Neotropic ... -
A novel Ehrlichia strain (Rickettsiales: Anaplasmataceae) detected in Amblyomma triste (Acari: Ixodidae), a tick species of public health importance in the Southern Cone of America
(Taylor & Francis, 2020)The aim of this work was to report the detection of a putative novel Ehrlichia strain associated with the tick Amblyomma triste. Free-living adult ticks determined as A. triste were collected by drag-sampling in Argentina ... -
Phylogenetic divergence between Rickettsia amblyommatis strains from Argentina
(Elsevier, 2020-02)The aim of this study was to investigate if there is a phylogenetic divergence of Rickettsia amblyommatis strains from different phytogeographic provinces of Argentina and South America. Therefore, ompA and ompB gene ... -
Primer asociación parásito hospedador de Amblyomma argentinae Neumann, 1904 (Acari: Ixodidae) con tres especies de saurios del Chaco Semiárido de Argentina = First parasite host association of Amblyomma argentinae Neumann, 1904 (Acari: Ixodidae) with three species of lizards from Semi-arid Chaco of Argentina
(2015-06)El conocimiento sobre las garrapatas parásitas de reptiles en Argentina es incompleto. En este sentido, el objetivo de este trabajo fue determinar las especies de garrapatas que parasitan lagartos en una localidad del Chaco ... -
Reassessment of the taxonomic status of Amblyomma cajennense (Fabricius, 1787) with the description of three new species, Amblyomma tonelliae n. sp., Amblyomma interandinum n. sp. and Amblyomma patinoi n. sp., and reinstatement of Amblyomma mixtum Koch, 1844, and Amblyomma sculptum Berlese, 1888 (Ixodida: Ixodidae)
(2014-04)A reassessment of the taxonomic status of Amblyomma cajennense based on the morphological analyses of ticks from the whole distribution area of the species resulted in the redescription of A. cajennense, the validation of ... -
Reestablishment of Amblyomma tenellum Koch, 1844 (Acari: Ixodidae)
(2014-10)Herein, Amblyomma tenellumKoch, 1844 (Ixodidae) is reestablished as a valid tick name and removed from the synonymy list of Amblyomma cajennense (Fabricius, 1787), while Amblyomma imitatorKohls, 1958, is relegated to a ... -
Report of Amblyomma parvitarsum infesting goats in Midwestern Argentina
(Elsevier, 2018-12)Adult ticks were collected from goats on September 2012 in the locality of Trintrica (35° 17′ 19″ S - 68° 44′ 6″ W, 1430 m.a.s.l.), Mendoza, Argentina. The specimens were identified as seven females and three males of ... -
Rol de las garrapatas Rhipicephalus (Boophilus) microplus y Amblyomma tonelliae en la transmisión de Anaplasma marginale en Argentina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2022)Anaplasma marginale es el agente causal de la anaplasmosis bovina, enfermedad que provoca importantes pérdidas económicas en la ganadería argentina. Una de las vías de transmisión de A. marginale es por garrapatas. En ...