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24 June 2020 Coccidian Parasites of Flying Squirrels, Glaucomys Spp. (Rodentia: Sciuridae), from Alaska and Arkansas, with a Description of a New Species of Eimeria (Apicomplexa: Eimeriidae)
Chris T. McAllister, Dagmara Motriuk-Smith, Hunter McCurdy, R. Scott Seville, Elizabeth A. Flaherty
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Abstract

New World flying squirrels, Glaucomys spp., are nocturnal arboreal sciurid rodents that have been previously surveyed for coccidial parasites. To date, 4 species of Eimeria have been reported from 2 species of Glaucomys. Here we report 2 species of eimerians from southern flying squirrels (Glaucomys volans) and the endemic Prince of Wales flying squirrel (Glaucomys sabrinus griseifrons). Oocysts of Eimeria dorneyi Levine and Ivens were found to be passing in the feces of 4 G. s. griseifrons from Alaska and a new species of Eimeria was present in feces from 6 G. volans from Arkansas. Oocysts of Eimeria hnidai n. sp. are ellipsoidal with a bilayered wall, measure 23.7 × 13.7 µm, and have a length/ width (L/W) ratio of 1.7; a micropyle and oocyst residuum are absent but polar granule(s) are present. Sporocysts are ellipsoidal–elongate and measure 11.8 × 4.9 µm, L/W 2.2; Stieda body is present but sub-Stieda and para-Stieda bodies are absent. The sporocyst residuum is composed of small indistinct granules along the edge or in the center of the sporocyst. This is the first coccidian reported from G. volans from Arkansas as well as the initial coccidian (E. dorneyi) reported from G. s. griseifrons from Alaska. We also provide a summation of the coccidia known from North American flying squirrels.

© American Society of Parasitologists 2020
Chris T. McAllister, Dagmara Motriuk-Smith, Hunter McCurdy, R. Scott Seville, and Elizabeth A. Flaherty "Coccidian Parasites of Flying Squirrels, Glaucomys Spp. (Rodentia: Sciuridae), from Alaska and Arkansas, with a Description of a New Species of Eimeria (Apicomplexa: Eimeriidae)," Journal of Parasitology 106(3), 406-410, (24 June 2020). https://doi.org/10.1645/20-8
Published: 24 June 2020
JOURNAL ARTICLE
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KEYWORDS
Alaska
Arkansas
Eimeria dorneyi
Eimeria hnidai n. sp.
flying squirrel
Glaucomys
Rodentia
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