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      Ocorrência de Rhinonyssus rhinolethrum (Trouessart, 1895) (Acarina: Rhinonyssidae) em marreca caneleira Dendrocygna bicolor (Vieillot, 1816) e marreca piadeira Dendrocygna viduata (Linnaeus, 1766) na região sul do Rio Grande do Sul, Brasil Translated title: Occurrence of Rhinonyssus rhinolethrum (Trouessart, 1895) (Acarina: Rhinonyssidae), a nasal mite in fulvous whistling duck Dendrocygna bicolor (Vieillot, 1816) and white-faced whistling-duck Dendrocygna viduata (Linnaeus, 1766) in Southern Brazil

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          Abstract

          RESUMO: Os autores relatam a ocorrência do ácaro nasal Rhinonyssus rhinolethrum (Trouessart, 1895) (Acarina: Rhinonyssidae) em marreca caneleira Dendrocygna bicolor (Vieillot, 1816) e marreca piadeira Dendrocygna viduata (Linnaeus, 1766) de vida livre na região sul do Rio Grande do Sul. Para a prevalência e intensidade média foram observados 35,5% e 2,27 ácaros para D. bicolor e 13% e 9,33 ácaros para D. viduatta . A intensidade de parasitismo observada variou de 1 a 6 ácaros em D. bicolor e 1 a 22 ácaros em D. viduatta . O parasitismo caracteriza o primeiro relato da ocorrência de R. rhinolethrum sobre Dendrocygna bicolor e sobre Dendrocygna viduata no Rio Grande do Sul, ampliando a listagem dos anatídeos parasitados por essa espécie neste Estado.

          Translated abstract

          ABSTRACT: The authors report the occurrence of the nasal mite Rhinonyssus rhinolethrum (Trouessart, 1895) (Acarina: Rhinonyssidae) in free-living fulvous whistling duck Dendrocygna bicolor (Vieillot, 1816) and white-faced whistling-duck Dendrocygna viduata (Linnaeus, 1766) in the Rio Grande do Sul region, Southern Brazil. Prevalence and mean intensity showed values of 35.5% and 2.27 mites to D. bicolor and 13% and 9.33 mites for D. viduatta . The intensity of parasitism ranged from 1 to 6 mites in D. bicolor , and 1 to 22 mites in D. viduatta . This is the first report of R. rhinolethrum on D. bicolor and D. viduata in Rio Grande do Sul, expanding the list of anatids parasitized by this species in this State.

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          Ornitologia Brasileira

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            A Manual of Acarology

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              Aves do Rio Grande do Sul, distribuição e biologia

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                aib
                Arquivos do Instituto Biológico
                Arq. Inst. Biol.
                Instituto Biológico
                1808-1657
                2016
                : 83
                : 0
                : e0782014
                Affiliations
                [1 ] Universidade Federal de Mato Grosso Brazil
                [2 ] Universidade Federal de Pelotas Brazil
                Article
                S1808-16572016000100308
                10.1590/1808-1657000782014
                8c3bdd1e-4b7c-4a41-8953-d25adb5b37f9

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1808-1657&lng=en
                Categories
                AGRICULTURE, MULTIDISCIPLINARY

                General agriculture
                fulvous whistling duck,Dendrocygna bicolor,nasal mite,Rhynonyssidae,white-faced whistling-duck,Dendrocygna viduata,marreca caneleira,ácaro nasal,Rhinonyssidae,marreca piadeira

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