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Two new Isospora species from the saffron finch, Sicalis flaveola in Brazil

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Abstract

Two new coccidian species (Protozoa, Apicomplexa, Eimeriidae) are reported from the saffron finch Sicalis flaveola Linnaeus, 1766, a very common species in South America. Isospora cetasiensis sp. nov. oocysts are subspherical to ellipsoidal, 23.1 × 21.6 μm, with smooth, bilayered wall, ∼1.0 μm. Micropyle, oocyst residuum and polar granule are absent. Sporocysts are ovoidal, 15.1 × 10.9 μm. Stieda body is knob-like and substieda body is rounded. Sporocyst residuum is composed of many scattered granules and spherules of different sizes. Sporozoites are vermiform with one refractile body and a nucleus. Isospora sicalisi sp. nov. oocysts are subspherical to ellipsoidal, 27.5 × 25.2 μm, with a smooth, bilayered wall, ∼1.1 μm. Micropyle, oocyst residuum and polar granule are absent. Sporocysts are ellipsoidal, 17.2 × 11.7 μm. Stieda body is knob-like and substieda body is trapezoidal. Sporocyst residuum is composed of scattered granules and spherules of different sizes. Sporozoites are vermiform with one refractile body and a nucleus.

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Authors and Affiliations

  1. Curso de Pós-Graduação em Ciências Veterinárias, Universidade Federal Rural do Rio de Janeiro (UFRRJ), BR-465 km 7, Seropédica, RJ, Brazil

    Cleide D. Coelho

  2. Departamento de Parasitologia Animal. Instituto de Veterinária, UFRRJ, BR-465 km 7, Seropédica, RJ, Brazil

    Bruno P. Berto, Walter Flausino & Carlos Wilson G. Lopes

  3. Centro de Triagem de Animais Silvestres, IBAMA/Ministério do Meio Ambiente, Horto Florestal Mário Xavier, BR-465 Km 4, Seropédica, RJ, Brasil

    Daniel M. Neves & Vinícius M. de Oliveira

Authors
  1. Cleide D. Coelho
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  2. Bruno P. Berto
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  3. Daniel M. Neves
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  4. Vinícius M. de Oliveira
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  5. Walter Flausino
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  6. Carlos Wilson G. Lopes
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Corresponding authors

Correspondence to Bruno P. Berto or Carlos Wilson G. Lopes.

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Coelho, C.D., Berto, B.P., Neves, D.M. et al. Two new Isospora species from the saffron finch, Sicalis flaveola in Brazil. Acta Parasit. 56, 239–244 (2011). https://doi.org/10.2478/s11686-011-0051-9

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  • DOI: https://doi.org/10.2478/s11686-011-0051-9

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