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

2012; Q15088586; Volume: 3178; Issue: 1 Linguagem: Inglês

10.11646/zootaxa.3178.1.2

1175-5334

Darci Moraes Barros‐Battesti, Valéria Castilho Onofrio, Fernanda A. Nieri-Bastos, João Fábio Soares, Arlei Marcili, Kátia Maria Famadas, João Luiz Horácio Faccini, Diego Garcia Ramirez, Rovaina Laureano Doyle, João R. Martins, R. García San José, Alberto A. Guglielmone, Marcelo B. Labruna,

Viral Infections and Vectors

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.