Caryospora schokariensis sp. n. (apicomplexa : eimeriidae)‎ from forskal's sand snake, psammophis schokari (serpentes : colubridae)‎ in Saudi Arabia

الملخص EN

A new coccid an parasite of the genus Carpospores is described from the intestinal contents of the colubrid snake, Psammophis schokari (Forskal's 1775) collected at Gas an city, southern region, Saudi Arabia.

Oocysts of Caryospora schokariensis sp.n.

are elongate-ellipsoid, 49 x 33.5(44.1-52.3 X 30.0-37.4) µm, with smooth brownish-yellow bilayered wall, 1.5 (1.3-1.8) µm thick Micropyle, polar granule and oocyst residuum are absent.

Sporocysts are ovoid, 21.8 X 15.1 (20.0-22.6 X 14.5-16.4) µm, with a prominent Stieda and substieda bodies.

Sporocyst residuum is present as a granulated compact mass.

Sporozoites are banana-shaped, each with two sub spherical refractile bodies.