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  • Title: A NEW EIMERIAN (APICOMPLEXA: EIMERIIDAE) FROM EASTERN MOLE, SCALOPUS AQUATICUS (MAMMALIA: EULIPOTYPHLA: TALPIDAE), IN CENTRAL ARKANSAS, WITH ADDITIONAL INFORMATION ON CYCLOSPORA YATESI MCALLISTER, MOTRIUK-SMITH, AND KERR.
    Author: McAllister CT, Hnida JA.
    Journal: J Parasitol; 2023 Jan 01; 109(1):21-26. PubMed ID: 36808923.
    Abstract:
    The eastern mole, Scalopus aquaticus (L.), is a common inhabitant of loamy soils in Canada, the eastern United States, and Mexico. Seven coccidian parasites have been previously reported from S. aquaticus, including 3 cyclosporans and 4 eimerians from hosts taken in Arkansas and Texas. A single S. aquaticus, collected in February 2022 in central Arkansas, was found to be passing oocysts of 2 coccidians, a new species of Eimeria, and Cyclospora yatesiMcAllister, Motriuk-Smith, and Kerr, 2018. Oocysts of Eimeria brotheri n. sp. are ellipsoidal (sometimes ovoidal) with a smooth bilayered wall, measure 14.0 × 9.9 μm, and have a length/width (L/W) ratio of 1.5; both micropyle and oocyst residua are absent, but a single polar granule is present. Sporocysts are ellipsoidal and measure 8.1 × 4.6 μm, L/W 1.8; a flattened to knoblike Stieda body as well as a rounded sub-Stieda body are present. The sporocyst residuum is composed of an irregular mass of large granules. Additional metrical and morphological information is provided on oocysts of C. yatesi. This study demonstrates that although several coccidians were previously documented from this host, additional S. aquaticus should be examined for coccidians from Arkansas as well as other parts of its range.
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