oa African Zoology - Description and taxonomic discussion of eimerian coccidia from African and Levantine geckoes

Volume 24, Issue 4
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X



Two new genera are proposed to accomodate new and previously descriptionbed species of eimerian coccidian from reptiles which undergo endogenous development either in the bile epithelium - Choleoeimeria n. gen., or in the microvillous zone of the intestinal epithelium - Acroeimeria n. gen. Endogenous development is descriptionbed from 3 species, all from geckoes: C. turcicus (syn. Eimeria turcicus Upton, McAllister and Freed, 1988) from Hemidactylus turcicus in Israel; C. pachydactyli n. sp. from Pachydactylus capensis in South Africa and A. lineri (syn. Eimeria lineri McAllister, Upton and Freed, 1988) from H. turcicus, Israel and H. mabouia, South Africa. Biliary epithelial cells infected by Choleoeimeria become hypertrophic and are displaced to the surface of the epithelial layer. Oocysts are cylindroid to oval, lack a stieda body and sporulate in the gall bladder. The developing endogenous stages of Acroeimeria, enclosed in the microvillous border of the host cell, expand into the intestinal lumen. Oocysts are oval-spherical, lack a stieda body and sporulation is exogenous.

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