Abstract
A new coccidian species of the genus Caryospora Léger, 1904 (Apicomplexa, Eimeriidae) is described based on material from the Guanabara spotted night snake Siphlophis pulcher (Raddi) (Reptilia: Dipsadidae) in a coastal area of the Atlantic Forest in Ilha Grande Island, state of Rio de Janeiro, southeastern Brazil. Caryospora ceadsensis n. sp. possesses spheroidal to slightly subspheroidal oöcysts measuring 17–24 × 17–24 (22.1 × 22.0) µm, with a c.1.3 µm thick bi-layered wall (inner layer smooth, outer layer slightly striated), length/width (L/W) ratio of 1.0–1.1 (1.0) and a highly refractive polar granule. Sporocysts are ellipsoidal, 11–17 × 10–13 (14.7 × 11.2) µm, with a L/W ratio of 1.0–1.5 (1.3), with a nipple-like Stieda body (1.1 µm high and 2.9 µm wide) and a large, bubble-shaped sub-Stieda body 1.7 µm high and 3.8 µm wide (1.0–2.0 × 3.0–4.5 µm). Sporocyst residuum composed of granules of differing sizes. Sporozoites with striations. This is the sixth record of a species of Caryospora in snakes of the family Dipsadidae in Brazil.
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We thank two anonymous reviewers who contributed to the improvement of the manuscript.
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This study was supported by a grant from the Fundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul (FUNDECT) to LAV (process n° 23/200.207/2013).
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All applicable institutional, national and international guidelines for the care and use of animals were followed. This study was authorized by the Brazilian Ministry of the Environment (Permit to LAV, no. 26213-1).
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This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as BE90298B-76FD-47D5-806B-92D98FBC56E0. This article was published as an Online First article on the online publication date shown on this page. The article should be cited by using the doi number. This is the Version of Record.
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de Santana Miglionico, M.T., Viana, L.A. A new species of Caryospora Léger, 1904 (Apicomplexa: Eimeriidae) from the Guanabara spotted night snake Siphlophis pulcher (Raddi) (Reptilia: Dipsadidae) in the Atlantic Forest, Brazil. Syst Parasitol 94, 621–625 (2017). https://doi.org/10.1007/s11230-017-9720-x
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DOI: https://doi.org/10.1007/s11230-017-9720-x