Journal
INTERNATIONAL JOURNAL FOR PARASITOLOGY-PARASITES AND WILDLIFE
Volume 22, Issue -, Pages 38-42Publisher
ELSEVIER
DOI: 10.1016/j.ijppaw.2023.08.004
Keywords
American white pelican; Pelecanus erythrorhynchos; Pelecanidae; Coccidia; Mexico
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A new coccidian species, Eimeria erythrorhynchosi n. sp., collected from the American white pelican in Mexico, is described with the detailed morphology.
A new coccidian species, Eimeria erythrorhynchosi n. sp. (Apicomplexa: Eimeriidae) collected from the American white pelican Pelecanus erythrorhynchos Gmelin 1789, is reported from Toluca city, Mexico. Sporulated oocysts of the new species are ovoidal, 17.5-19.6 x 14.1-14.8 (18.5 x 14.5) & mu;m, with a length/width (L/W) ratio of 1.0-1.5 (1.25); micropyle present, robust and protruding, W: 4.5-5.5, and polar body (1 or 2), L x W: 2.5 (2-3), associated with the micropyle; oocyst residuum absent. Sporocysts are ovoidal, 10.1-11.2 x 6.4-7.1 (10.7 x 6.8) & mu;m, with a length/width (L/W) ratio of 1.0-1.6 (1.3); Stieda and sub-Stieda bodies are both present, but paraStieda body is absent; sporocyst residuum of diffuse granules. Sporozoites are vermiform, 9.6 x 2.4 & mu;m. The new species is the seventh species of Eimeria recorded in Pelecaniformes and the third in Pelecanidae.
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