Eimeria carmelinoi check for this species in other resources n.sp. - Acroeimeria paraensis check for this species in other resources n.sp. - Acroeimeria cnemidophori check for this species in other resources (Carini, 1941) nov.comb. - endogenous stages - Entropyx calcarata check for this species in other resources - Cnemidophorus lemniscatus check for this species in other resources - lizards - Brazil"/>
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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 97, No. 2, 2002, pp. 227-237
Bioline Code: oc02043
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 97, No. 2, 2002, pp. 227-237

 en Intestinal Coccidia (Apicomplexa: Eimeriidae) of Brazilian Lizards. Eimeria carmelinoi check for this species in other resources n.sp., from Kentropyx calcarata check for this species in other resources and Acroeimeria paraensis check for this species in other resources n.sp. from Cnemidophorus lemniscatus lemniscatus check for this species in other resources (Lacertilia: Teiidae)
María Inés Zylber; Gabriela Failla & Alfredo Le Bas

Abstract

Eimeria carmelinoi check for this species in other resources n.sp., is described in the teiid lizard Kentropyx calcarata check for this species in other resources Spix, 1825 from north Brazil. Oocysts subspherical to spherical, averaging 21.25 x 20.15 μm. Oocyst wall smooth, colourless and devoid of striae or micropyle. No polar body or conspicuous oocystic residuum, but frequently a small number of fine granules in Brownian movement. Sporocysts, averaging 10.1 x 9 μm, are without a Stieda body. Endogenous stages characteristic of the genus: intra-cytoplasmic, within the epithelial cells of the ileum and above the host cell nucleus. A re-description is given of a parasite previously described as Eimeria cnemidophori check for this species in other resources , in the teiid lizard Cnemidophorus lemniscatus lemniscatus check for this species in other resources . A study of the endogenous stages in the ileum necessitates renaming this coccidian as Acroeimeria cnemidophori check for this species in other resources (Carini, 1941) nov.comb., and suggests that Acroeimeria pintoi Lainson & Paperna, 1999 in the teiid Ameiva ameiva check for this species in other resources is a synonym of A. cnemidophori. A further intestinal coccidian, Acroeimeria paraensis check for this species in other resources n.sp. is described in C. l. lemniscatus, frequently as a mixed infection with A. cnemidophori. Mature oocysts, averaging 24.4 x 21.8 μm, have a single-layered, smooth, colourless wall with no micropyle or striae. No polar body, but the frequent presence of a small number of fine granules exhibiting Brownian movements. Sporocysts 9 x 8, without a Stieda body. Endogenous stages epicytoplasmic, characteristic of the genus, in the upper ileum. The importance of a study of the endogenous stages of eimeriid coccidia is discussed.

Keywords
Apicomplexa - Eimeriidae - Eimeria carmelinoi check for this species in other resources n.sp. - Acroeimeria paraensis check for this species in other resources n.sp. - Acroeimeria cnemidophori check for this species in other resources (Carini, 1941) nov.comb. - endogenous stages - Entropyx calcarata check for this species in other resources - Cnemidophorus lemniscatus check for this species in other resources - lizards - Brazil

 
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