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1 September 2009 Host Records for the Immature Stages of the South American Tick, Amblyomma fuscum (Acari: Ixodidae)
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Abstract

This work reports free-living opossums (Didelphis aurita and Didelphis albiventris) and a rodent species (Thrichomys laurentius) naturally infested by the immature stages of Amblyomma fuscum Neumann, 1907 in Brazil. Previously the only host record for the A. fuscum immature stages was for a single nymph collected on an opossum D. aurita in the state of Sâo Paulo. Herein are presented two new host records (D. albiventris and T. laurentius) for A. fuscum. Our results indicate that opossums (Didelphis spp.), and one small rodent species (T. laurentius) are major hosts for immature stages of A. fuscum in Brazil. Based on the known feeding habits of immature stages of A. fuscum, coupled with previous reports of the adult stage parasitizing humans, A. fuscum is a potential vector of spotted fever group rickettsiae.

Thiago F. Martins, Filipe Dantas-Torres, Fernanda A. Nieri-Bastos, Arlei Marcili, Daniel B. de Siqueira, Filipe M. Aléssio, Jean-François Mauffrey, Maria Fernanda V. Marvulo, Jean C. R. da Silva, and Marcelo B. Labruna "Host Records for the Immature Stages of the South American Tick, Amblyomma fuscum (Acari: Ixodidae)," Entomological News 120(4), 370-374, (1 September 2009). https://doi.org/10.3157/021.120.0404
Received: 17 October 2008; Accepted: 1 November 2008; Published: 1 September 2009
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