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Issue: Vol. 3178 No. 1: 31 Jan. 2012
Type: Articles
Published: 2012-01-31
DOI: 10.11646/zootaxa.3178.1.2
Page range: 22–32
Abstract views: 51
PDF downloaded: 4

Ornithodoros brasiliensis Aragão (Acari: Argasidae): description of the larva, redescription of male and female, and neotype designation

Laboratório de Parasitologia, Instituto Butantan, 05503-900, São Paulo, SP, Brazil
Laboratório de Parasitologia, Instituto Butantan, 05503-900, São Paulo, SP, Brazil
Departamento de Medicina Veterinária Preventiva e Saúde Animal, FMVZ/USP, 05508-270, São Paulo, SP, Brazil
Departamento de Medicina Veterinária Preventiva e Saúde Animal, FMVZ/USP, 05508-270, São Paulo, SP, Brazil
Departamento de Medicina Veterinária Preventiva e Saúde Animal, FMVZ/USP, 05508-270, São Paulo, SP, Brazil
Departamento de Parasitologia Animal, IV/UFRRJ, 23890-000, Seropédica, RJ, Brazil
Departamento de Parasitologia Animal, IV/UFRRJ, 23890-000, Seropédica, RJ, Brazil
Departamento de Medicina Veterinária Preventiva e Saúde Animal, FMVZ/USP, 05508-270, São Paulo, SP, Brazil
Instituto de Pesquisas Veterinárias Desidério Finamor, FEPAGRO, 92990-000, Eldorado do Sul, RS, Brazil
Instituto de Pesquisas Veterinárias Desidério Finamor, FEPAGRO, 92990-000, Eldorado do Sul, RS, Brazil
Centro de Biotecnologia, UFRGS, Campos do Vale/UFRGS, 91540-000, Porto Alegre, RS, Brazil
Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Agropecuaria Rafaela, CC 22, CP 2300 Rafaela, Santa Fe, Argentina
Departamento de Medicina Veterinária Preventiva e Saúde Animal, FMVZ/USP, 05508-270, São Paulo, SP, Brazil
Acari Ornithodoros brasiliensis argasid ticks taxonomy DNA sequence Brazil

Abstract

Ornithodoros brasiliensis is an endemic tick from Brazil and is very aggressive to humans, resulting in pain, fever andintense inflammatory response. After more than 50 years without report, this species was recently found in rural areas ofSão Francisco de Paula municipality, State of Rio Grande do Sul, southern Brazil, from where it was originally described.Herein, we describe the larva and redescribe the adults of O. brasiliensis based on scanning electron microscopy. Sincethe type was lost we designate the neotype specimen under the number IBSP 10409. In addition, the relationship betweenO. brasiliensis and other species from the Neotropical region that share the morphological characteristics of Ornithodoroswith dorsal humps on tarsi, and also live under the soil and feed on hosts other than bats, are discussed. Molecular analysisinferred from a portion of the 16S rRNA mitochondrial gene is also provided and it placed O. brasiliensis in a cluster sup-ported by a maximal bootstrap value (100%) with Ornithodoros parkeri, Ornithodoros rostratus, and Ornithodoros turicata.

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