Results 71 to 80 of about 7,677 (151)

Taxonomic key to nymphs of the genus Amblyomma (Acari: Ixodidae) in Argentina, with description and redescription of the nymphal stage of four Amblyomma species.

Ticks and Tick-borne Diseases, 2014
In the present study, we provide morphological descriptions of the nymph of Amblyomma parvitarsum, A. tonelliae, and redescriptions of A. argentinae and A. sculptum. A taxonomic key, with relevant morphological characters illustrated by scanning electron
T F Martins, M. Labruna, A. Mangold, M. Cafrune, A. Guglielmone, S. Nava   +5 more
semanticscholar   +1 more source

Environmental infestation and rickettsial infection in ticks in an area endemic for Brazilian spotted fever

Revista Brasileira de Parasitologia Veterinária
Brazilian spotted fever (BSF), caused by Rickettsia rickettsii, is endemic in the municipality of Americana, southeastern Brazil, where the disease is transmitted by the tickAmblyomma cajennense.
José Brites-Neto, Fernanda Aparecida Nieri-Bastos, Jardel Brasil, Keila Maria Roncato Duarte, Thiago Fernandes Martins, Cecília José Veríssimo, Amália Regina Mar Barbieri, Marcelo Bahia Labruna   +7 more
doaj   +1 more source

Dichotomous key to larvae of the genus Amblyomma (Parasitiformes: Ixodidae) in Brazil, with morphological description and redescription of the larval stage of 30 Amblyomma species

Ticks and Tick-Borne Diseases
Ticks of the genus Amblyomma are of great medical and veterinary importance in Brazil, where they regularly parasitize wild and domestic animals and will bite humans that enter rural and forest areas for work and recreation purposes.
Thiago F. Martins, Adriano Pinter, Vera L.F. de Camargo-Neves, Agustín Estrada-Peña, Pablo H. Nunes, Fábio Barbieri, Kátia M. Famadas, Marcelo B. Labruna   +7 more
doaj   +1 more source

Estudo de Populações de Amblyomma cajennense e Amblyomma dubitatum (Acari:Ixodidae) e pesquisa de Rickettsia spp. nestas espécies em Coronel Pacheco, Minas Gerais [PDF]

, 2009
Owing to the importance of Amblyomma cajennense and Amblyomma dubitatum in the epidemiology of Brazilian Spotted Fever (BSF), this study evaluated the flutuation of populations of the free-living and parasitic these two species of the ticks, as well the ...
Elizangela Guedes
core  

Integrated tick control on a farm with the presence of capybaras in a Brazilian spotted fever endemic region

Revista Brasileira de Parasitologia Veterinária, 2019
Ticks of the Amblyomma cajennense complex present high infestation rates. These ticks transmit the bacterium Rickettsia rickettsii, which causes Brazilian Spotted Fever.
Shirley Batista de Araújo, Karina Araújo dos Anjos, Fernanda Calvo Duarte, Leonardo Costa Fiorini, Felipe Eduardo de Matos Godoi, Paulo Henrique Selbmann Sampaio, Márcia Cristina Mendes   +6 more
doaj   +1 more source

Study of infection by Rickettsiae of the spotted fever group in humans and ticks in an urban park located in the City of Londrina, State of Paraná, Brazil Estudo da infecção por Rickettsias do grupo da febre maculosa em humanos e carrapatos de um parque urbano na Cidade de Londrina, Estado do Paraná

Revista da Sociedade Brasileira de Medicina Tropical, 2011
INTRODUCTION: Spotted fevers are emerging zoonoses caused by Rickettsia species in the spotted fever group (SFG). Rickettsia rickettsii is the main etiologic agent of Brazilian spotted fever (BSF) and it is transmitted by Amblyomma spp. ticks.
Roberta Santos Toledo, Katia Tamekuni, Mauro de Freitas Silva Filho, Valeska Bender Haydu, Richard Campos Pacheco, Marcelo Bahia Labruna, John Stephen Dumler, Odilon Vidotto   +7 more
doaj  

Detection of Rickettsia rickettsii in the tick Amblyomma cajennense in a new Brazilian spotted fever-endemic area in the state of Minas Gerais

Memorias do Instituto Oswaldo Cruz, 2005
The present study evaluated rickettsial infection in Amblyomma spp. ticks collected in a farm in Coronel Pacheco, a Brazilian spotted fever (BSF) endemic area. A total of 78 A. cajennense and 78 A.
Elizângela Guedes, Romário C Leite, Márcia CA Prata, Richard C Pacheco, David H Walker, Marcelo B Labruna   +5 more
doaj   +1 more source

Rickettsia infection in five areas of the state of São Paulo, Brazil

Memorias do Instituto Oswaldo Cruz, 2007
This study investigated rickettsial infection in animals, humans, ticks, and fleas collected in five areas of the state of São Paulo. Eight flea species (Adoratopsylla antiquorum antiquorum, Ctenocephalides felis felis, Polygenis atopus, Polygenis ...
Maurício C Horta, Marcelo B Labruna, Adriano Pinter, Pedro M Linardi, Teresinha T S Schumaker   +4 more
doaj   +1 more source

Molecular identification of Rickettsia felis in ticks and fleas from an endemic area for Brazilian Spotted Fever

Memorias do Instituto Oswaldo Cruz, 2008
Rickettsioses are arthropod-borne diseases caused by parasites from the Order Rickettsiales. The most prevalent rickettsial disease in Brazil is Brazilian Spotted Fever (BSF).
KA Oliveira, LS Oliveira, CCA Dias, A Silva Jr, MR Almeida, G Almada, DH Bouyer, MAM Galvão, CL Mafra   +8 more
doaj   +1 more source

LEVANTAMENTO ACAROLÓGICO NO HORTO FLORESTAL DE AVARÉ (SP): UMA CONTRIBUIÇÃO À PREVENÇÃO DA FEBRE MACULOSA BRASILEIRA

Revista do Instituto Florestal, 2019
A Febre Maculosa Brasileira é uma zoonose causada pela bactéria Rickettsia rickettsii, transmitida a humanos e a animais por meio da picada de carrapatos infectados, podendo levar à morte.
Alessandra Augusta de Freitas, Edgar Fernando de Luca, Carolina Vieira da Silva, Silvio Carvalho da Silva, Thiago Fernandes Martins, Dhemerson Estevão Conciani Costa   +5 more
doaj   +1 more source