The Ixodes auritulus complex (Acari: Parasitiformes: Ixodidae) in the Southern Cone of America

Ixodes auritulus Neumann, 1904 (Acari: Parasitiformes: Ixodidae) represents a species complex principally associated to birds belonging to the orders Ciconiiformes, Charadriiformes, Columbiformes, Falconiformes, Galliformes, Passeriformes, Piciformes, Pelecaniformes, Procellariiformes, Strigiformes,...

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Main Authors: Venzal, José Manuel, Tarragona, Evelina Luisa, Flores, Fernando Sebastián, Félix, María L., Cicuttin, Gabriel L., Sebastian, Patrick, Labruna, Marcelo B., Guglielmone, Alberto, Nava, Santiago
Format: info:ar-repo/semantics/artículo
Language:Inglés
Published: Springer Nature 2025
Subjects:
Online Access:http://hdl.handle.net/20.500.12123/22859
https://link.springer.com/article/10.1007/s11230-025-10230-2
https://doi.org/10.1007/s11230-025-10230-2
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author Venzal, José Manuel
Tarragona, Evelina Luisa
Flores, Fernando Sebastián
Félix, María L.
Cicuttin, Gabriel L.
Sebastian, Patrick
Labruna, Marcelo B.
Guglielmone, Alberto
Nava, Santiago
author_browse Cicuttin, Gabriel L.
Flores, Fernando Sebastián
Félix, María L.
Guglielmone, Alberto
Labruna, Marcelo B.
Nava, Santiago
Sebastian, Patrick
Tarragona, Evelina Luisa
Venzal, José Manuel
author_facet Venzal, José Manuel
Tarragona, Evelina Luisa
Flores, Fernando Sebastián
Félix, María L.
Cicuttin, Gabriel L.
Sebastian, Patrick
Labruna, Marcelo B.
Guglielmone, Alberto
Nava, Santiago
author_sort Venzal, José Manuel
collection INTA Digital
description Ixodes auritulus Neumann, 1904 (Acari: Parasitiformes: Ixodidae) represents a species complex principally associated to birds belonging to the orders Ciconiiformes, Charadriiformes, Columbiformes, Falconiformes, Galliformes, Passeriformes, Piciformes, Pelecaniformes, Procellariiformes, Strigiformes, and Tinamiformes in both immature and adult stages. This is a cosmopolitan tick species whose distribution encompass the Afrotropical, Australasian, Nearctic and Neotropical Zoogeographic Regions, and Pacific Oceans islands. Ixodes auritulus sensu stricto was described from southern Chile, and recently new species from this complex were described based only on morphological characters. In this study, specimens of ticks determined to belong to the I. auritulus complex obtained from the Southern Cone of America in different biogeographic regions of Argentina, southern Chile, Brazil and Uruguay were analyzed. Additionally, a female paratype of Ixodes rio Apanaskevich & Labruna, 2022 from the southern from Brazil was included in the study. Morphological characters were analyzed and phylogenetic analyses were performed by obtaining partial mitochondrial DNA sequences of the 16S rRNA and cox1 genes. The specimens from Punta Arenas, Magallanes Province, southern Chile (type locality) correspond morphologically to I. auritulus s.s. and those from central and northern Argentina (Pampa and Yungas Biogeographic Provinces), Uruguay and southern Brazil (Pampa Biogeographic Province) were morphologically compatible with I. rio. The phylogenetic analysis based on mitochondrial DNA sequences support the classification of I. auritulus s.s. from southern Chile and I. rio from Argentina, Brazil and Uruguay as two distinct species. Additional morphological and molecular analyses of ticks from ecological regions other than those included here are necessary to deepen the knowledge of the diversity of the I. auritulus complex in the Southern Cone of America.
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spelling INTA228592025-09-15T10:43:32Z The Ixodes auritulus complex (Acari: Parasitiformes: Ixodidae) in the Southern Cone of America Venzal, José Manuel Tarragona, Evelina Luisa Flores, Fernando Sebastián Félix, María L. Cicuttin, Gabriel L. Sebastian, Patrick Labruna, Marcelo B. Guglielmone, Alberto Nava, Santiago Ixodes Taxonomía América del Sur Taxonomy South America Ixodes auritulus Ixodes auritulus Neumann, 1904 (Acari: Parasitiformes: Ixodidae) represents a species complex principally associated to birds belonging to the orders Ciconiiformes, Charadriiformes, Columbiformes, Falconiformes, Galliformes, Passeriformes, Piciformes, Pelecaniformes, Procellariiformes, Strigiformes, and Tinamiformes in both immature and adult stages. This is a cosmopolitan tick species whose distribution encompass the Afrotropical, Australasian, Nearctic and Neotropical Zoogeographic Regions, and Pacific Oceans islands. Ixodes auritulus sensu stricto was described from southern Chile, and recently new species from this complex were described based only on morphological characters. In this study, specimens of ticks determined to belong to the I. auritulus complex obtained from the Southern Cone of America in different biogeographic regions of Argentina, southern Chile, Brazil and Uruguay were analyzed. Additionally, a female paratype of Ixodes rio Apanaskevich & Labruna, 2022 from the southern from Brazil was included in the study. Morphological characters were analyzed and phylogenetic analyses were performed by obtaining partial mitochondrial DNA sequences of the 16S rRNA and cox1 genes. The specimens from Punta Arenas, Magallanes Province, southern Chile (type locality) correspond morphologically to I. auritulus s.s. and those from central and northern Argentina (Pampa and Yungas Biogeographic Provinces), Uruguay and southern Brazil (Pampa Biogeographic Province) were morphologically compatible with I. rio. The phylogenetic analysis based on mitochondrial DNA sequences support the classification of I. auritulus s.s. from southern Chile and I. rio from Argentina, Brazil and Uruguay as two distinct species. Additional morphological and molecular analyses of ticks from ecological regions other than those included here are necessary to deepen the knowledge of the diversity of the I. auritulus complex in the Southern Cone of America. REDGARR 100390265 Asociación Cooperadora INTA Rafaela EEA Rafaela Fil: Venzal, José Manuel. Universidad de la República. CENUR Litoral Norte. Facultad de Veterinaria. Laboratorio de Vectores y Enfermedades Transmitidas; Uruguay Fil: Tarragona, Evelina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina Fil: Tarragona, Evelina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina Fil: Flores, Fernando Sebastian. Universidad Nacional de Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas (IIBYT); Argentina Fil: Flores, Fernando Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Biológicas y Tecnológicas (IIBYT); Argentina Fil: Félix, María L. Universidad de la República. CENUR Litoral Norte. Facultad de Veterinaria. Laboratorio de Vectores y Enfermedades Transmitidas; Uruguay Fil: Cicuttin, Gabriel L. Instituto de Zoonosis Luis Pasteur; Argentina Fil: Sebastian, Patrick. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina Fil: Sebastian, Patrick. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina Fil: Labruna, Marcelo. Universidade de São Paulo. Faculdade de Medicina Veterinaria e Zootecnia. Departamento de Medicina Veterinaria Preventiva e Saude Animal; Brasil Fil: Guglielmone, Alberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina Fil: Nava, Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina Fil: Nava, Santiago. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea (IDICAL); Argentina 2025-07-02T12:35:06Z 2025-07-02T12:35:06Z 2025-05 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/22859 https://link.springer.com/article/10.1007/s11230-025-10230-2 0165-5752 1573-5192 https://doi.org/10.1007/s11230-025-10230-2 eng info:eu-repograntAgreement/INTA/2023-PE-L01-I044, Enfermedades subtropicales con impacto sobre la producción, salud pública y sustentabilidad en la ganadería del norte de Argentina info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Springer Nature Systematic Parasitology 102 : 35 (May 2025)
spellingShingle Ixodes
Taxonomía
América del Sur
Taxonomy
South America
Ixodes auritulus
Venzal, José Manuel
Tarragona, Evelina Luisa
Flores, Fernando Sebastián
Félix, María L.
Cicuttin, Gabriel L.
Sebastian, Patrick
Labruna, Marcelo B.
Guglielmone, Alberto
Nava, Santiago
The Ixodes auritulus complex (Acari: Parasitiformes: Ixodidae) in the Southern Cone of America
title The Ixodes auritulus complex (Acari: Parasitiformes: Ixodidae) in the Southern Cone of America
title_full The Ixodes auritulus complex (Acari: Parasitiformes: Ixodidae) in the Southern Cone of America
title_fullStr The Ixodes auritulus complex (Acari: Parasitiformes: Ixodidae) in the Southern Cone of America
title_full_unstemmed The Ixodes auritulus complex (Acari: Parasitiformes: Ixodidae) in the Southern Cone of America
title_short The Ixodes auritulus complex (Acari: Parasitiformes: Ixodidae) in the Southern Cone of America
title_sort ixodes auritulus complex acari parasitiformes ixodidae in the southern cone of america
topic Ixodes
Taxonomía
América del Sur
Taxonomy
South America
Ixodes auritulus
url http://hdl.handle.net/20.500.12123/22859
https://link.springer.com/article/10.1007/s11230-025-10230-2
https://doi.org/10.1007/s11230-025-10230-2
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