Abstract
Three new species of coccidians (Apicomplexa: Eimeriidae) are described from eastern moles, Scalopus aquaticus (Linnaeus) from Arkansas. Oöcysts of Cyclospora duszynskii n. sp. are subspheroidal with a smooth bi-layered wall, measure 11.4 × 10.0 µm, and have a length/width (L/W) ratio of 1.1; both micropyle and oöcyst residuum are absent, but a single polar granule is present. Sporocysts are ellipsoidal and measure 7.2 × 5.4 µm, L/W 1.3; an indistinct Stieda body is present, but the sub-Stieda and para-Stieda bodies are absent and the sporocyst residuum is composed of medium to large granules of different sizes along the edge of the sporocyst. Oöcysts of Cyclospora yatesi n. sp. are subspheroidal to ovoidal with an ornate outer wall, measure 17.0 × 15.2 µm, L/W 1.1; both micropyle and oöcyst residuum are absent, but a single polar granule is present. Sporocysts are ellipsoidal and measure 9.7 × 7.3 µm, L/W 1.3; an indistinct Stieda body is present, but sub-Stieda and para-Stieda bodies are absent and the sporocyst residuum is composed of medium to large granules of different sizes along the edge of the sporocyst. Oöcysts of Eimeria paulettefordae n. sp. are ovoidal to ellipsoidal with an ornate outer wall, measure 30.0 × 25.4 µm, L/W 1.2; both micropyle and oöcyst residuum are absent, but a single polar granule is present. Sporocysts are ellipsoidal and measure 12.6 × 9.2 µm, L/W 1.4; a button-like Stieda body is present, but sub-Stieda and para-Stieda bodies are absent and the sporocyst residuum is composed of medium to large granules of different sizes along the edge of the sporocyst. These are the first coccidians described from Arkansas populations of S. aquaticus. In addition, a summary is provided on the cyclosporans and eimerians from North American talpids.
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Acknowledgements
We thank Drs Renn Tumlison (HSU) and Scott L. Gardner and Gabor R. Racz (HWML, Lincoln, Nebraska, USA) for expert curatorial assistance, and R. Scott Seville (University of Wyoming, USA) for a pre-review of the manuscript. Matthew B. Connior (NW Arkansas Community College, Bentonville, Arkansas, USA) provided some of the samples used in this study.
Funding
This study was supported, in part, by a grant from the National Institute of General Medical Sciences (2P20GM103432), National Institutes of Health (NIH) to R.S. Seville. The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH.
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All applicable institutional, national and international guidelines for the care and use of animals were followed. Scientific Collecting Permits were provided to CTM by the Arkansas Game and Fish Commission (permit number 031120151).
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This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as urn:lsid:zoobank.org:pub: F23498AE-B198-4ECD-9CFF-F68C2C3D50E5. This article was published as an Online First article on the online publication date shown on this page. The article should be cited by using the doi number. This is the Version of Record.
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McAllister, C.T., Motriuk-Smith, D. & Kerr, C.M. Three new coccidians (Cyclospora, Eimeria) from eastern moles, Scalopus aquaticus (Linnaeus) (Mammalia: Soricomorpha: Talpidae) from Arkansas, USA. Syst Parasitol 95, 271–279 (2018). https://doi.org/10.1007/s11230-018-9782-4
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DOI: https://doi.org/10.1007/s11230-018-9782-4