Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile
A new argasid (Argasidae) tick is herein described based on morphology and molecular data obtained from larvae parasitizing Octodon degus and from ticks collected inside burrows in northern Chile. Unfed laboratory-reared larvae were mounted in slides for morphometrical and morphological analyses. La...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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Elsevier
2020
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| Online Access: | http://hdl.handle.net/20.500.12123/8051 https://www.sciencedirect.com/science/article/abs/pii/S1877959X19302754 https://doi.org/10.1016/j.ttbdis.2020.101385 |
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| author | Muñoz-Leal, Sebastian Venzal, José Manuel Nava, Santiago Marcili, Arlei González-Acuña, Daniel Martins, Thiago F. Labruna, Marcelo B. |
| author_browse | González-Acuña, Daniel Labruna, Marcelo B. Marcili, Arlei Martins, Thiago F. Muñoz-Leal, Sebastian Nava, Santiago Venzal, José Manuel |
| author_facet | Muñoz-Leal, Sebastian Venzal, José Manuel Nava, Santiago Marcili, Arlei González-Acuña, Daniel Martins, Thiago F. Labruna, Marcelo B. |
| author_sort | Muñoz-Leal, Sebastian |
| collection | INTA Digital |
| description | A new argasid (Argasidae) tick is herein described based on morphology and molecular data obtained from larvae parasitizing Octodon degus and from ticks collected inside burrows in northern Chile. Unfed laboratory-reared larvae were mounted in slides for morphometrical and morphological analyses. Larvae of Ornithodoros octodontus n. sp. share morphological traits with Ornithodoros quilinensis and Ornithodoros xerophylus, two species associated with rodents in the Argentinean Chaco. However, a longer hypostome with two rows of 21 and 22 denticles each one, and conspicuous leaf-shaped anal plates separate O. octodontus. While nymphal stages of O. octodontus lack cheeks and possess a micromammillated dorsal integument, adults have cheeks and exhibit markedly irregular mammillae along their dorsal surface. Phylogenetic analyses of neotropical Argasidae based on mitochondrial 16S rDNA sequences point that O. octodontus forms a monophyletic group with O. xerophylus and an unidentified Ornithodoros sp. from Bolivia, all of them associated with burrow-dweller rodents. Ornithodoros aragaoi and Ornithodoros davisi, two rare species collected once only in the Peruvian Andean Plateau during 1955 are morphologically closely related with adults and nymphs of O. octodontus. Biological observations of O. octodontus revealed autogenic females. For the moment, subgeneric classification of this new species depends on further biological studies. The fauna of ticks occurring in Chile is now represented by 22 species, 11 belonging to the Argasidae family. |
| format | info:ar-repo/semantics/artículo |
| id | INTA8051 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2020 |
| publishDateRange | 2020 |
| publishDateSort | 2020 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA80512020-10-14T14:09:37Z Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile Muñoz-Leal, Sebastian Venzal, José Manuel Nava, Santiago Marcili, Arlei González-Acuña, Daniel Martins, Thiago F. Labruna, Marcelo B. Argasidae Ornithodoros Especies Nuevas Identificación Chile New Species Identification Garrapatas Ticks A new argasid (Argasidae) tick is herein described based on morphology and molecular data obtained from larvae parasitizing Octodon degus and from ticks collected inside burrows in northern Chile. Unfed laboratory-reared larvae were mounted in slides for morphometrical and morphological analyses. Larvae of Ornithodoros octodontus n. sp. share morphological traits with Ornithodoros quilinensis and Ornithodoros xerophylus, two species associated with rodents in the Argentinean Chaco. However, a longer hypostome with two rows of 21 and 22 denticles each one, and conspicuous leaf-shaped anal plates separate O. octodontus. While nymphal stages of O. octodontus lack cheeks and possess a micromammillated dorsal integument, adults have cheeks and exhibit markedly irregular mammillae along their dorsal surface. Phylogenetic analyses of neotropical Argasidae based on mitochondrial 16S rDNA sequences point that O. octodontus forms a monophyletic group with O. xerophylus and an unidentified Ornithodoros sp. from Bolivia, all of them associated with burrow-dweller rodents. Ornithodoros aragaoi and Ornithodoros davisi, two rare species collected once only in the Peruvian Andean Plateau during 1955 are morphologically closely related with adults and nymphs of O. octodontus. Biological observations of O. octodontus revealed autogenic females. For the moment, subgeneric classification of this new species depends on further biological studies. The fauna of ticks occurring in Chile is now represented by 22 species, 11 belonging to the Argasidae family. EEA Rafaela Fil: Muñoz-Leal, Sebastián. Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia. Departamento de Medicina Veterinária Preventiva e Saúde Animal; Brasil Fil: Venzal, José Manuel. Universidad de la República. Facultad de Veterinaria. Laboratorio de Vectores y Enfermedades Transmitidas; Uruguay Fil: Nava, Santiago. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Marcili, Arlei. Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia. Departamento de Medicina Veterinária Preventiva e Saúde Animal; Brasil. Universidade Santo Amaro. Mestrado em Medicina e Bem-Estar Animal; Brasil Fil: González-Acuña, Daniel. Universidad de Concepción. Facultad de Ciencias Veterinarias. Departamento de Ciencia Animal. Labotratorio de Parásitos y Enfermedades de Fauna Silvestre; Chile Fil: Martins, Thiago F. Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia. Departamento de Medicina Veterinária Preventiva e Saúde Animal; Brasil Fil: Labruna, Marcelo B. Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia. Departamento de Medicina Veterinária Preventiva e Saúde Animal; Brasil 2020-10-14T14:04:13Z 2020-10-14T14:04:13Z 2020-05 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/8051 https://www.sciencedirect.com/science/article/abs/pii/S1877959X19302754 1877-959X https://doi.org/10.1016/j.ttbdis.2020.101385 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Ticks and Tick-borne Diseases 11 (3) : 101385 (May 2020) |
| spellingShingle | Argasidae Ornithodoros Especies Nuevas Identificación Chile New Species Identification Garrapatas Ticks Muñoz-Leal, Sebastian Venzal, José Manuel Nava, Santiago Marcili, Arlei González-Acuña, Daniel Martins, Thiago F. Labruna, Marcelo B. Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile |
| title | Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile |
| title_full | Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile |
| title_fullStr | Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile |
| title_full_unstemmed | Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile |
| title_short | Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile |
| title_sort | description of a new soft tick species acari argasidae ornithodoros parasite of octodon degus rodentia octodontidae in northern chile |
| topic | Argasidae Ornithodoros Especies Nuevas Identificación Chile New Species Identification Garrapatas Ticks |
| url | http://hdl.handle.net/20.500.12123/8051 https://www.sciencedirect.com/science/article/abs/pii/S1877959X19302754 https://doi.org/10.1016/j.ttbdis.2020.101385 |
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