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1 January 2016 New Host and Distribution Records of Eimeria callospermophili
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Abstract

Eimeria callospermophili is reported for the first time from the round-tailed ground squirrel, Xerospermophilus tereticaudus, and for the first time in Arizona, U.S.A. This coccidian was found in 4 of 10 (40%) round-tailed ground squirrels. Sporulated oocysts were spheroidal to subspheroidal, 20.4 × 17.8 µm (18–25 × 14–22 µm), with a length/width ratio of 1.1 (1.0–1.3), an oocyst residuum, and 0–2 polar granules. Sporocysts were ovoidal, 9.2 × 6.8 µm (7–10 × 6–8 µm), with a length/width ratio of 1.2 (1.1–1.4), a Stieda body, and a sporocyst residuum. The measurements and structural features of these oocysts were similar to those reported for E. callospermophili from other marmotine rodents.

The Helminthological Society of Washington
John A. Hnida "New Host and Distribution Records of Eimeria callospermophili," Comparative Parasitology 83(1), (1 January 2016). https://doi.org/10.1654/1525-2647-83.1.122
Published: 1 January 2016
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