Se reporta la presencia del ácaro Amblyomma calcaratum colectado en un ejemplar de un mirmecofagido Tamandua tetradactyla, capturado en julio del 2000 en la localidad de Bagua Grande, Amazonas , Perú. Se mencionan las relaciones filogenéticas de esta especie con A. nodosum y de su importancia médica

Beati, Lorenza

Càceres, Abraham G.

Keirans, James E.

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116Cáceres et al.NOTA CIENTÍFICAISSN 1561-0837First evidence of the occurrence of Amblyomma calcaratum Neumann,1899 in PeruPrimera evidencia de la ocurrencia de Amblyomma calcaratum  Neumann,1899 en PerúAbraham G. Càceres 1, Lorenza Beati 2*, and James E. Keirans 3.1. División de Entomología, Instituto Nacional deSalud y Sección de Entomología, Instituto deMedicina Tropical “Daniel A. Carrrión”,UNMSM, Lima, Perú.2. Vector Ecology Laboratory, Yale University,New Haven, CT, USA.3. Institute of Arthropodology and Parasitology,Georgia Southern University, Statesboro, GA,USA.* Address of corresponding author:Vector Ecology Laboratory-Yale University60 College Street-room 600New Haven, CT 06520 (USA)phone: 1-203-785-3223fax: 1-203-785-3604e-mail: lorenza.beati@yale.eduAmblyomma calcaratum Neumann is ahard tick species (Acari: Ixodidae), which isknown to occur in many Central and SouthAmerican countries such as Venezuela, FrenchGuiana, Ecuador, Brazil, Bolivia, Paraguay,Trinidad & Tobago, Colombia, Costa Rica,Panama and Belize (Jones et al. 1972). It hasalso been reported from Argentina (Boero andDelpietro 1971) and Suriname (Keirans 1985).Adults of A. calcaratum primarily feed onanteaters (Myrmecophaga and Tamanduaspp.), but have sporadically also been foundon Procyon cancrivorus (Brazil), Choloepushoffmanni, and Mazama americana.Nymphal A. calcaratum were collected fromBrazilian birds (Jones et al. 1972).Although the main Edentata generaassociated with this tick are known to inhabitthe Peruvian Amazonian basin (Eisenberg andRedford 1999), the occurrence of A.calcaratum has  never been recorded in Peru(da Fonseca 1960; Dale 1977; Dale and Ve-nero 1977; Walter 1990). This species wasalso not included in the most recent list ofknown Peruvian Amblyomma taxa (Need etal, 1991).In July 2000, 12 adult Amblyommaspecimens (3 females and 9 males) werecollected from a Tamandua tetradactyla inthe Caserio Menor de Nunhan Jalca, FundoSanta Rosa (Bagua Grande, Utcubamba,Amazonas, Peru). The ticks were identifiedas Amblyomma calcaratum according totaxonomic keys (Jones et al. 1972) and voucherspecimens were deposited at the U. S.National Tick Collection (RML # 123271).Furthermore, partial sequences of themitochondrial 12SrRNA (Beati and Keirans2001) and nuclear 28SrRNA genes (Klompenet al. 2000) were obtained from 6 specimensand compared to 48 homologous Amblyommasequences from our database (Beati andResumenSe reporta la presencia del ácaro Amblyomma calcaratum colectado en un ejemplar de unmirmecofagido Tamandua tetradactyla, capturado en julio del 2000 en la localidad de Bagua Grande,Amazonas , Perú. Se mencionan las relaciones filogenéticas de esta especie con A. nodosum y de suimportancia médica.Palabras clave: Amblyomma, Tamandua, Amazonas, Vida silvestre, Perú.Rev. peru. biol. 9(2): 116 - 117 (2002)© Facultad de Ciencias Biológicas UNMSM117Ocurrencia de Amblyomma calcarum en el PerúKeirans, unpublished data). The six 28SrDNAnucleic acid sequences were identical(GenBank accession number: AY225324) andindistinguishable from the sequence of A.nodosum Neumann, 1899 (GenBankaccession number: AY225323). However, thesix 12SrDNA sequences (Genbank accessionnumber: AY225322) differed from the A.nodosum  sequence by 9.8% (Genbankaccession number: AY225321). This findingis in agreement with the relative morphologicalrelatedness of A. calcaratum and A.nodosum.Little is known about the relationshipsbetween ticks and tick-borne diseases in SouthAmerica. However, Amblyomma species aremajor vectors of pathogens of medical andveterinary interest throughout the world. Untilour knowledge of associations between SouthAmerican Amblyomma and pathogenicorganisms improves, it is therefore importantto gather precise information on thegeographical distribution of each species.AcknowledgementsPortions of this research were supportedby National Institute of Allergy and InfectiousDiseases grant AI 40729 to JEK and Funda-ción Instituto Hipólito Unanue, Lima, Perú.ReferencesBeati L. and Keirans J.E. 2001. Analysis of thesystematic relationships among ticks of thegenera Rhipicephalus and Boophilus (Acari:Ixodidae) based on mitochondrial 12Sribosomal DNA gene sequences andmorphological characters. J. Parasitol., (87):32-48.Boero J. J. and Delpietro H. 1971. Amblyommacalcaratum Neumann, 1899 (Acarina:Ixodidae). Nueva especie para la fauna Argen-tina. Rev. Med. Vet. (Buenos Aires), (52): 339-341.Dale W. E. 1977. Indice-catálogo bibliográfico de las ga-rrapatas (Ixodoidea) registradas en el Perú. Rev.Per. Entom., (20): 100-102.Dale W. E. and Venero J. L. 1977. Insectos y ácarosectoparásitos de la vicuña en Pampa Galeras,Ayacucho. Rev. per. Entom., (20): 93-99.Eisenberg J. F. and Redford K. H. 1999. Mammals ofthe Neotropics, Volume 3, The CentralNeotropics: Ecuador, Peru, Bolivia, Brazil.The University of Chicago Press (Chicago andLondon), 609 pp.Fonseca F. da. 1960. Notes d’Acarologie. XLV. Enquêteacarologique au Pérou. Acarologia, (2): 1-34.Jones E. K., Clifford C. M., Keirans J. E. and Kohls G.M. 1972. The ticks of Venezuela (Acarina:Ixodoidea) with a key to the species ofAmblyomma in the Western hemisphere.Brigham Young University Science BulletinBiological Series, (17): 1-40.Keirans J. E. 1985. George Henry Falkiner Nuttall andthe Nuttall Tick Catalogue. U. S. Dept. Agric.,Agric Res. Serv. Misc. Publ. No. 1438. vii +1785 pp.Klompen J. S. H., Black W. C., Keirans J. E., and NorrisD. E. 2000. Systematics and biogeography ofhard ticks, a total evidence approach.Cladistics, (16): 70-102.Need J. T., Dale W. E., Keirans J. E. and Dasch G. A.1991. Annotated list of ticks (Acari: Ixodidae:Argasidae) reported in Peru: distribution, hostsand bibliography. J. Med. Entomol., (28): 590-597.Walter G. 1990. Zeckenfunde (Ixodoidea, Ixodidae) ausParaguay und Peru. Andrias, (7): 169-170.

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Primera evidencia de la ocurrencia de Amblyomma calcaratum Neumann, 1899 en Perú

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Primera evidencia de la ocurrencia de Amblyomma calcaratum Neumann, 1899 en Perú

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