Systematic & Applied Acarology
ISSN 1362-1971
An international journal of the Systematic and Applied Acarology Society, published since 1996

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Systematic & Applied Acarology (2007) 12, 127-133

Tick collections from the Peruvian Amazon, with new host records for species of Ixodes Latreille, 1795 (Acari: Ixodidae) and Ornithodoros Koch, 1844 (Acari: Argasidae)


1CONICET (Consejo de Investigaciones Científicas y Técnicas), Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán, San Miguel de Tucumán (4000), Argentina. E-mail:

2PIDBA (Programa de Investigaciones de Biodiversidad Argentina), Universidad Nacional de Tucumán, Argentina.

3 Instituto Nacional de Tecnología Agropecuaria and Consejo Nacional de Investigaciones Científica y Técnicas, CC 22, CP 2300 Rafaela, Santa Fe, Argentina. E-mails:,

4Departamento de Parasitología Veterinaria, Facultad de Veterinaria, Universidad de la República, Av. Alberto Lasplaces 1550, CP 11600 Montevideo, Uruguay. E-mail:

5Estación Experimental IVITA - Iquitos (Instituto Veterinario de Investigaciones Tropicales y de Altura), Av. José Quiñones km 2.5, Iquitos, Peru. E-mail:


Tick-infested bats, rodents and marsupials were captured along the Iquitos-Nauta highway, Loreto Department, in the Peruvian Amazon. The only ticks found on Chiroptera were members of the Ornithodoros hasei (Schulze, 1935) species group, collected from Noctilio albiventris Desmarest, 1818, Rhinophylla pumilio Peters, 1865 and Myotis albescens (É. Geoffroy, 1806). Rhinophylla pumilio is a new host and M. albescens was confirmed as a host for the O. hasei group. Among Rodentia, Oecomys bicolor (Tomes, 1860), Oligoryzomys microtis (Allen, 1916), Hylaeamys perenensis (Allen, 1901) and Hylaeamys yunganus (Thomas, 1902) were infested with larvae (O. bicolor) or nymphs (other three rodents) of Ixodes luciae Sénevet, 1940; all are new hosts for I. luciae. Tick infestation was more diverse among the Didelphimorphia, where a nymph and larva of Amblyomma sp. were collected on Philander opossum (Linnaeus, 1758), a nymph of Amblyomma sp. on Caluromys lanatus (Olfers, 1818), and a larva of Ixodes pararicinus Keirans & Clifford, 1985 on Monodelphis adusta (Thomas, 1897). Monodelphis adusta is a new host for I. pararicinus. Caluromys lanatus, Marmosops sp., Metachirus nudicaudatus (Desmarest, 1817), Micoureus sp., Philander andersoni (Osgood, 1913) and P. opossum were parasitized with larvae (Micoureus sp.) or adults (all other didelphids) of I. luciae. With the exception of P. opossum, all these marsupials are new hosts for I. luciae.

Key words: Ixodidae, Argasidae, Amblyomma, Ixodes, Ornithodoros, Chiroptera, Didelphimorphia, Rodentia, Peruvian Amazon


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