Occurrence of Ornithodoros brasiliensis Aragão (Acari: Argasidae) in São Francisco de Paula, RS, Southern Brazil

Martins,; Doyle, RL; Barros-Battesti, DM; Onofrio, VC; Guglielmone, A.A.

doi:10.1590/s1519-566x2011000100022

Cited by 17 publications

(9 citation statements)

References 5 publications

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Section: Abrf In South Americamentioning

confidence: 99%

“…In 2011, Martins and colleagues reported the public health concern of O. brasiliensis , as the bite was associated with an intense systemic reaction resulting in hospital admissions [ 106 ]. Moreover, the patient described the death of a pet that was parasitized by the ticks [ 106 ]. The ticks are aggressive toward humans and animals, and have been collected in domestic and peridomestic settings of the Southern Brazilian highlands above 900 m [ 103 , 105 , 107 ].…”

Section: Abrf In South Americamentioning

confidence: 99%

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Tick-Borne Relapsing Fever Spirochetes in the Americas

López

Krishnavahjala

Garcia

et al. 2016

Veterinary Sciences

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Relapsing fever spirochetes are tick- and louse-borne pathogens that primarily afflict those in impoverished countries. Historically the pathogens have had a significant impact on public health, yet currently they are often overlooked because of the nonspecific display of disease. In this review, we discuss aspects of relapsing fever (RF) spirochete pathogenesis including the: (1) clinical manifestation of disease; (2) ability to diagnose pathogen exposure; (3) the pathogen’s life cycle in the tick and mammal; and (4) ecological factors contributing to the maintenance of RF spirochetes in nature.

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Section: Abrf In South Americamentioning

confidence: 99%

Section: Abrf In South Americamentioning

confidence: 99%

Tick-Borne Relapsing Fever Spirochetes in the Americas

López

Krishnavahjala

Garcia

et al. 2016

Veterinary Sciences

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“…During the last 50 years, lack of consistent information about this tick led to the suspicion of its extinction. However, there have been recent reports of the re‐emergence of parasitism by O. brasiliensis , popularly known as “mouro” tick, in the same region as originally described 7 …”

Section: Introductionmentioning

confidence: 85%

Tick toxicosis in a dog bitten by Ornithodoros brasiliensis

Reck

Soares

Termignoni

et al. 2011

Veterinary Clinical Pathol

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Ticks are hematophagous parasites of people and animals and are a public health hazard in several countries. They are vectors of infectious diseases; in addition, the bite of some ticks, mainly from the Ornithodoros genus, may lead to local lesions and systemic illness, referred to as tick toxicosis. In this report, we describe a dog bitten by Ornithodoros brasiliensis, popularly known as the mouro tick. The main clinical findings were disseminated skin rash, pruritus, mucosal hyperemia, lethargy, and fever. Laboratory abnormalities 48 hours after the bites occurred included mild nonregenerative anemia, eosinophilia, basophilia, increased serum creatine kinase activity, increased serum C-reactive protein concentration, and prolonged coagulation times. Tick-borne pathogens were not detected by PCR analysis or serologic testing, supporting the diagnosis of a noninfectious syndrome due to tick bite, compatible with tick toxicosis.

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“…In Brazil specimens of O. rostratus have been recorded in the states of São Paulo, Mato Grosso do Sul, Mato Grosso, Goiás and Minas Gerais, generally in association with domestic animals (ARAGÃO, 1936;PARDI;ROCHA, 1954;CANÇADO et al, 2008). The species O. brasiliensis is known only from the state of Rio Grande do Sul, where it has been found parasitizing many animals, including humans (MARTINS et al, 2011). Adults and larvae (ARAGÃO, 1923;BARROS-BATTESTI et al, 2012) and all the nymphal instars (LANDULFO et al, 2013) GUGLIELMONE et al, 2003).…”

Section: Argasids From Brazilmentioning

confidence: 99%

Immature argasid ticks: diagnosis and keys for Neotropical region

Barros-Battesti

Ramírez

Landulfo

et al. 2013

Rev. Bras. Parasitol. Vet.

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Many argasid tick species are known only through their larval descriptions, in which the chaetotaxy, together with other external morphological characteristics, has been used to separate genera and species. However, the illustrations of these features are based on optical microscopy alone and many of these features are not clearly defined. Because of the difficulties in determining the larval and nymph stages of some genera, we have prepared illustrated keys for the immature stages of argasids, including an up-to-date list of the known species of the Neotropical region. We have also included an illustrated key for larvae of the Ornithodoros species from Brazil, based on scanning electron microscopy.Keywords: Argasidae, Ornithodoros, immature, identification, key, Brazil. ResumoMuitos carrapatos argasídeos são conhecidos somente por descrições larvais, nas quais a quetotaxia associada a outros caracteres morfológicos tem sido usada para separar gêneros e espécies. No entanto, as ilustrações sobre esses caracteres são baseadas somente em microscopia óptica e muitos deles não estão claramente definidos. Devido às dificuldades em determinar estágios larvais e ninfais de alguns gêneros, elaboramos chaves ilustradas para os estágios imaturos de argasídeos, incluindo uma lista atualizada de espécies conhecidas da região Neotropical. Incluímos também uma chave ilustrada para larvas das espécies de Ornithodoros do Brasil baseada em microscopia eletrônica de varredura.

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Occurrence of Ornithodoros brasiliensis Aragão (Acari: Argasidae) in São Francisco de Paula, RS, Southern Brazil

Cited by 17 publications

References 5 publications

Tick-Borne Relapsing Fever Spirochetes in the Americas

Tick-Borne Relapsing Fever Spirochetes in the Americas

Tick toxicosis in a dog bitten by Ornithodoros brasiliensis

Immature argasid ticks: diagnosis and keys for Neotropical region

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