Results 61 to 70 of about 10,174 (231)

Porotaxia em larva de carrapatos do gênero Amblyomma como caracterísiticas morfológicas adicionais para a identificação dos estágios imaturos. [PDF]

open access: yes, 2011
Variabilidade intraespecífica e interespecífica das estruturas tegumentares sobre o idiossoma.bitstream/CPAF-RO-2009-09/12171/1/bpd45_porotaxia-em-larvas-de-carrapatos ...
BARBIERI, F. da S.   +5 more
core  

Rickettsiales in South America: A Systematic Review of Their Molecular Detection and Distribution in Arthropods and Vertebrates

open access: yesPublic Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Bacteria of the order Rickettsiales comprise a diverse group of obligate intracellular microorganisms that are globally distributed and highly prevalent in tropical and subtropical regions. In South America, these bacteria have been associated with arthropod vectors, such as ticks, fleas, mites, lice, and certain dipterans, as well as with a ...
Cristian J. Zamorano‐Gómez   +3 more
wiley   +1 more source

Latinamerican guidelines of RIICER for diagnosis of tick-borne rickettsioses [PDF]

open access: yes, 2014
Las rickettsiosis transmitidas por garrapatas son afecciones de distribución mundial, que por diferentes motivos se pueden considerar emergentes y reemergentes.
Abarca, Katia   +7 more
core   +2 more sources

Ocorrência de carrapatos (Acari: Ixodidae) no município de Goiatins, Tocantins Occurrence of ticks (Acari: Ixodidae) in the municipality of Goiatins, Tocantins

open access: yesRevista Brasileira de Parasitologia Veterinária, 2009
Devido a uma suspeita de Doença de Lyme-símile em humano, na região de Goiatins, Tocantins, foi realizada uma investigação epidemiológica em oito localidades dessa região, em setembro de 2007 e fevereiro de 2008, onde foram coletados 1.890 carrapatos de ...
Thiago F. Martins   +5 more
doaj   +1 more source

Reassessment of the taxonomic status of Amblyomma cajennense () 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, and Amblyomma sculptum (Ixodida: Ixodidae).

open access: yesTicks and Tick-borne Diseases, 2014
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 2 species which had been reduced
S. Nava   +5 more
semanticscholar   +1 more source

Rickettsias del grupo de las fiebres manchadas en garrapatas del género Amblyomma, capaces de infestar humanos, en áreas rurales del noroeste de Argentina [PDF]

open access: yes, 2015
This work was performed to detect Rickettsia species of the spotted fever group in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina.
Nava, Santiago   +2 more
core  

Soroprevalência de anticorpos contra Rickettsia spp. do grupo febre maculosa em equinos de haras no Norte do Paraná, Brasil [PDF]

open access: yes, 2010
Brazilian spotted fever (BSF) is an emerging disease most likely caused by Rickettsia rickettsii. The objective of the present study was to estimate the seroprevalence of BSF rickettsia infections in equines from six horse farms located in Londrina ...
CAVICCHIOLI, José Henrique   +8 more
core   +2 more sources

Study of chelicerae in the tick Amblyomma cajennense (Fabricius 1787) by scanning electron microscopy

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 1975
Chelicerae de Amblyomma cajennense foram examinados em microscopia de varredura. Esta técnica mostrou detalhes não evidenciáveis ao poder de resolução do microscópio ótico.
M. Ansel, M. Thibaut
doaj   +1 more source

Rickettsia spp. and Anaplasmataceae in Ticks From Domestic Animals in Northern Colombia

open access: yesZoonoses and Public Health, Volume 72, Issue 5, Page 421-434, August 2025.
ABSTRACT Introduction Tick‐borne diseases have a significant impact on public and animal health and represent a considerable financial burden on livestock farming. However, in many regions of Latin America, comprehensive epidemiological data, including species identification, geographical distribution and molecular profiling of ticks and their ...
Maria Badillo‐Viloria   +9 more
wiley   +1 more source

Free-living ixodid ticks in an urban Atlantic Forest fragment, state of Rio de Janeiro, Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária
As a consequence of the importance of ticks in forests in protected areas, was conducted survey of species of free-living ticks in the Natural Park Municipal Curió, state of Rio de Janeiro, Brazil.
Michele da Costa Pinheiro   +4 more
doaj   +1 more source

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