Pfeifferinella gugleri (Apicomplexa: Pfeifferinellidae) in Half-Lidded Ovals, Patera binneyana (Gastropoda: Stylommatophora: Polygyridae), from Oklahoma, U.S.A.

Chris T. McAllister; John A. Hnida

doi:10.1654/1525-2647-88.1.1

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Chris T. McAllister,^1,* John A. Hnida²

¹Division of Science and Mathematics, Eastern Oklahoma State College, Idabel, Oklahoma 74745, U.S.A. (e-mail: cmcallister@se.edu)
²Department of Microbiology, Midwestern University, Glendale, Arizona 85308, U.S.A. (e-mail: jhnida@midwestern.edu)

^* Corresponding author.

Abstract

Fecal samples collected in April 2019 from 10 half-lidded ovals, Patera binneyana (Pilsbry, 1899) (Gastropoda), in McCurtain County, Oklahoma, U.S.A., were examined for coccidial parasites. Seven (70%) contained oocysts of Pfeifferinella gugleriWacha, 1980. Ovoidal octozoic oocysts without sporocysts measured (average L × W) 22.2 × 14.1 µm with an L:W ratio of 1.5. Oocysts possessed a subspheroidal to spheroidal oocyst residuum as well as a micropyle. This snail represents the fourth host to harbor this coccidian. We document a new host and geographic distribution record for P. gugleri.

Citation Download Citation

Chris T. McAllister and John A. Hnida "Pfeifferinella gugleri (Apicomplexa: Pfeifferinellidae) in Half-Lidded Ovals, Patera binneyana (Gastropoda: Stylommatophora: Polygyridae), from Oklahoma, U.S.A.," Comparative Parasitology 88(1), 1-3, (25 January 2021). https://doi.org/10.1654/1525-2647-88.1.1

Published: 25 January 2021

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