Results 41 to 50 of about 8,182 (169)

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

PLoS 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, Andréa P da Costa, Jonas Moraes-Filho, Thiago F Martins, Herbert S Soares, Diego G Ramirez, Ricardo A Dias, Marcelo B Labruna   +7 more
doaj   +1 more source

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

Revista 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, Fábio Silva Barbieri, Thiago Fernandes Martins, Luciana Gatto Brito, Francisco Dimas Sales Ribeiro   +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)

Memorias 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

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

Revista 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

Revista 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, Raimundo D. Machado, José R. Coura, Maria A.A. Guimarães, Nicolau M. Serra Freire, Marinete Amorim, Gilberto Salles Gazeta   +6 more
doaj   +1 more source

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

Journal 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, Chissa-Louise Rivaldi, Blake Sissel, Rebecca Trout Fryxell, Guadalupe Gordillo-Pérez, Angel Rodríguez-Moreno, Phillip Williamson, Griselda Montiel-Parra, Víctor Sánchez-Cordero, Sahotra Sarkar   +9 more
doaj   +1 more source

Modelos potenciales de distribución geográfica y climática del complejo Amblyomma cajennense (Acari: Ixodidae), potencial vector de Rickettsia rickettsii en Colombia.

Biomédica: revista del Instituto Nacional de Salud, 2018
Introducción. Las especies del complejo Amblyomma cajennense, potenciales vectores implicados en la transmisión de Rickettsia rickettsii en Centroamérica y Suramérica, presentan una amplia distribución geográfica en el neotrópico. En Colombia, todavía es
L. Y. Acevedo-Gutiérrez, Luis E. Paternina, A. F. Londoño, Gabriel Parra-Henao, J. D. Rodas   +4 more
semanticscholar   +1 more source

Modeling Potential Habitat for Amblyomma Tick Species in California

Insects, 2019
The Amblyomma genus of ticks comprises species that are aggressive human biters and vectors of pathogens. Numerous species in the genus are undergoing rapid range expansion.
Emily L. Pascoe, Matteo Marcantonio, Cyril Caminade, Janet E. Foley   +3 more
doaj   +1 more source

Controle estratégico do carrapato Amblyomma cajennense em eqüinos [PDF]

Ciência Rural, 2004
Avaliou-se quantitativamente as infestações por adultos de Amblyomma cajennense em eqüinos mantidos sob infestações naturais em uma pastagem (pastagem 1), antes e após o uso de tratamentos carrapaticidas. Os tratamentos foram aplicados nos eqüinos a cada sete dias durante os períodos de predomínio das larvas e ninfas do carrapato, no Estado de São ...
Labruna, Marcelo Bahia, Leite, Romário Cerqueira, Gobesso, Alexandre Augusto de Oliveira, Gennari, Solange Maria, Kasai, Nobuko   +4 more
openaire   +4 more sources

Morphological alterations in the ovaries of Amblyomma cajennense semi‐engorged ticks exposed to ethanolic extract of Acmella oleracea

Microscopy research and technique (Print), 2018
The present study analyzed the effects of different concentrations of Acmella oleracea crude ethanolic extract (EEAO) on the development of germ cells from semi‐engorged Amblyomma cajennense females in order to evaluate the potential of this natural ...
L. A. Anholeto, P. D. de Oliveira, R. Rodrigues, Lais Thiemi Yamane, K. N. C. Castro, M. I. Camargo-Mathias   +5 more
semanticscholar   +1 more source