New records of ticks infesting bats in Brazil, with observations on the first nymphal stage of Ornithodoros hasei
In Brazil, at least 14 species of soft ticks (Argasidae) are associated with bats. While Ornithodoros hasei seems to be abundant among foliage-roosting bats, other groups of ticks are found exclusively inside caves. In this paper, noteworthy records of soft ticks infesting bats are documented in new localities from Bahia, Pernambuco, Piauí, and Rondônia states. Out of 201 bats examined, 25 were infested by 152 ticks belonging to seven taxa: Ornithodoros cavernicolous, O. hasei, Ornithodoros marinkellei, Ornithodoros cf. fonsecai, Ornithodoros cf. clarki, Antricola sp., and Nothoaspis amazoniensis. These findings provide new insights into the geographical distribution and host association of soft ticks occurring in the Neotropical region. Remarkably, morphological and biological observations about O. hasei are inferred based on the examination of on-host-collected first stage nymphs.
KeywordsTicks Argasidae Hosts Chiroptera Bats Distribution Ecology
All the staff of the Laboratório de Ciência Aplicada à Conservação da Biodiversidade (Department of Zoology, Universidade Federal de Pernambuco), especially A. Jardelino, É. Figueiredo, F. Hintze, Í. Azevedo, J. Torres, M. Delgado-Jaramillo and M. Barros provided valuable support during the fieldwork at Catimbau National Park. PELD Catimbau team, especially M. Tabarelli and I. Leal provided logistical support. S. Muñoz-Leal was funded by Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP; Grant #2018/02521-1), and F.A.M. Soares by Fundação de Amparo à Pesquisa do Estado da Bahia (FAPESB; Grant 8200/2015). This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), Brazil, through Grants awarded to E. Barbier and Grupo Boticário de Proteção à Natureza (Grant #0983-20132) and to M. B. Labruna (Finance Code 001). This project was also supported by CNPq, CECAV, and ICMBio, and we thank all for financial and logistical support. E. Bernard has a fellow Grant from CNPq. Thanks also to L. C. Souza-Paula for preparing the Fig. 1.
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