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Issue: Vol. 4459 No. 1: 14 Aug. 2018
Type: Article
Published: 2018-08-14
DOI: 10.11646/zootaxa.4459.1.7
Page range: 164–170
Abstract views: 53
PDF downloaded: 5

Eimeria psittacarae n. sp. (Apicomplexa: Eimeiriidae) from white-eyed parakeets Psittacara leucophthalmus (Müller, 1776) (Psittaciformes: Psittacidae) kept for rehabilitation and reintroduction in the Parque Nacional da Serra dos Órgãos, Southeastern Brazil

Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal Rural do Rio de Janeiro (UFRRJ), BR-465 km 7, 23897-000 Seropédica, RJ, Brazil
Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal Rural do Rio de Janeiro (UFRRJ), BR-465 km 7, 23897-000 Seropédica, RJ, Brazil
Parque Nacional da Serra dos Órgãos, Av. Rotariana s/n, Soberbo, 25975-000 Teresópolis, RJ, Brazil
Departamento de Biologia Animal, Instituto de Ciências Biológicas e da Saúde, UFRRJ, BR-465 km 7, 23897-000 Seropédica, RJ, Brazil
Protist taxonomy morphology coccidia Eimeria oocysts Psittaciformes Psittacidae Serra dos Órgãos National Park Rio de Janeiro Brazil

Abstract

A new species of coccidia (Protozoa: Apicomplexa: Eimeriidae) found parasitizing the white-eyed parakeet Psittacara leucophthalmus (Müller, 1776) in Brazil is described. Eimeria psittacarae n. sp. has oocysts that are ellipsoidal, 34.8 × 24.3 μm, with smooth, bilayered wall, ~1.7 μm thick. Micropyle present. Oocyst residuum absent, but one or two polar granules are present. Sporocysts are elongate ellipsoidal, 19.2 × 9.7 μm. Stieda body knob-like and sub-Stieda body rounded. Sporocyst residuum is composed of granules that appear to be membrane-bounded. Sporozoites are vermiform with one refractile body and a nucleus. This is the sixth description of an eimeriid coccidium parasitizing a New World psittacine.

 

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