Isospora elmahalensis n. sp. (Apicomplexa, Eimeriidae), a Parasite of the White-Cheeked Bulbul (Pycnonotus leucogenys) in Saudi Arabia |
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| Authors: | MIKKY A. AMOUDI |
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| Affiliation: | Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh, Saudi Arabia |
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| Abstract: | Isospora elmahalensis n. sp. is described from the Saudi Arabian bird, Pycnonotus leucogenys , from the Elmahala valley. Sporulated oocysts of I. elmahalensis were spherical or nearly subspherical, 19.5–22.5 × 18.5–20 (21.34 ± 0.4 × 19.06 ± 0.5) μm. Oocysts lacked a micropyle, residuum, and polar granule. Sporocysts were ovoid, 14–17.5 × 7–12 (16.08 ± 1.05 × 9.9 ± 1.55) μm, and had a Stieda body and sporocyst residuum, but lacked a substiedal body. Sporozoites were elongated with a clear globule at one end. The host bird belongs to the order Passeriformes. |
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