Results 31 to 40 of about 847 (159)

Amblyomma cajennense (Fabricius, 1787) (Ixodida: Ixodidae): human parasitism and the first record from the Acre State, Western Brazilian Amazon

open access: yesEntomological Communications, 2022
The Cayenne tick, Amblyomma cajennense (Fabricius, 1787) (Ixodida: Ixodidae), parasitizes a range of vertebrate hosts, including humans, accidentally.
Vanessa L. de Souza   +5 more
doaj   +1 more source

Artificial Feeding of Amblyomma cajennense (Fabricius, 1787) (Acari: Ixodidae) through Silicone Membrane [PDF]

open access: yesMemórias do Instituto Oswaldo Cruz, 1997
An artificial feeding system was used where citrated bovine blood was offered to male and female Amblyomma cajennense. Vestiges of blood, sweat, hair and exfoliated skin were used as phago-stimulants placed on the surface of the silicone membrane. The ticks were collected, as engorged nymphs, from naturally infested equines, with the ecdysis occurring ...
Saulo Teixeira de Moura   +3 more
openaire   +3 more sources

Rickettsia amblyommatis infecting ticks and exposure of domestic dogs to Rickettsia spp. in an Amazon-Cerrado transition region of northeastern Brazil.

open access: yesPLoS ONE, 2017
This study was performed in Maranhão state, a transition area two Brazilian biomes, Amazon and Cerrado. During 2011-2013, 1,560 domestic dogs were sampled for collection of serum blood samples and ticks in eight counties (3 within the Amazon and 5 within
Francisco B Costa   +7 more
doaj   +1 more source

New tick records in Rondônia, Western Brazilian Amazon Novos relatos de carrapatos em Rondônia, Amazônia ocidental brasileira

open access: yesRevista Brasileira de Parasitologia Veterinária, 2010
In the present study, we provide new tick records from Vilhena Municipality, in the Southeast of the State of Rondônia, Northern Brazil. Ticks collected from a capybara, Hydrochoerus hydrochaeris (Linnaeus), were identified as Amblyomma romitii Tonelli ...
Marcelo Bahia Labruna   +4 more
doaj   +1 more source

Notas de ixodologia: V - A propósito da validade de algumas espécies do gênero Amblyomma do continente americano (Acari: Ixodídoe)

open access: yesMemorias do Instituto Oswaldo Cruz, 1953
a) The species Amblyomma tapiri Tonelli Rondelli, 1937 and Amblyomma finitimum Tonelli Rondelli, 1937 are synonymous with Amblyomma cajennense Fabricius, 1787.
Henrique B. Aragão, Flávio da Fonseca
doaj   +1 more source

Rickettsia infection in Amblyomma tonelliae, a tick species from the Amblyomma cajennense complex

open access: yesTicks and Tick-borne Diseases, 2015
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 rickettsial genes, 23S-5S, gltA, ompA and htrA. Two ticks were positive.
Tarragona, Evelina Luisa   +5 more
openaire   +3 more sources

Phylogenetic relationships of the Amblyomma cajennense complex (Acari: Ixodidae) at mitogenomic resolution

open access: yesTicks and Tick-borne Diseases, 2023
The genus Amblyomma is the third most diverse in the number of species within the Ixodidae, with practically half of its species distributed in the Americas, though there are also species occurring in Africa, Asia, and Australia. Within the genus, there are several species complexes with veterinary and public health importance. The Amblyomma cajennense
Andrea P. Cotes-Perdomo   +5 more
openaire   +3 more sources

Ticks on domestic animals in Pernambuco, Northeastern Brazil Carrapatos em animais domésticos em Pernambuco, Nordeste do Brasil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2009
The objective of this article was to discuss some aspects of ticks associated with domestic animals in the State of Pernambuco, northeastern Brazil, based on a literature review and present new data obtained from recent tick collections carried out in ...
Filipe Dantas-Torres
doaj   +1 more source

Epidemiological aspects of the Brazilian spotted fever: seasonal activity of ticks collected in an endemic area in São Paulo, Brazil

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 1997
Ticks were collected from vegetation and animals at monthly intervals during one year (1993-1994) in an endemic area of Brazilian spotted fever in the County of Pedreira, State of São Paulo.
Elba R.S. de Lemos   +6 more
doaj   +1 more source

Species Distribution Models and Ecological Suitability Analysis for Potential Tick Vectors of Lyme Disease in Mexico

open access: yesJournal of Tropical Medicine, 2012
Species distribution models were constructed for ten Ixodes species and Amblyomma cajennense for a region including Mexico and Texas. The model was based on a maximum entropy algorithm that used environmental layers to predict the relative probability of
Patricia Illoldi-Rangel   +9 more
doaj   +1 more source

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