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  • Title: Coccidian parasites (Apicomplexa: Eimeriidae) from insectivores: new species from shrew moles (Talpidae) in the United States.
    Author: Duszynski DW.
    Journal: J Protozool; 1985 Nov; 32(4):577-80. PubMed ID: 4067874.
    Abstract:
    All of 18 shrew moles, Neurotrichus gibbsii, collected in Oregon and Washington were infected with one or more species of coccidia. Three eimerians and one isosporan were identified and described as new species. Sporulated oocysts of Eimeria heterocapita n. sp. were subspheroid to ellipsoid, 25.5 X 21.4 (23-27 X 18-23) micron. A membranous, cap-like structure was present at one pole of the oocyst, but a micropyle, oocyst residuum, and polar body were absent. Ovoid sporocysts were 13.6 X 10.0 (12-15 X 9-11) micron; a compact sporocyst residuum was present, but Stieda, sub-, and parastieda bodies were absent. This species was found in 2 of 18 (11%) hosts. Sporulated oocysts of Eimeria neurotrichi n. sp. were ovoid, 17.6 X 13.6 (16-20 X 11-16) micron; micropyle and oocyst residuum were absent, but a polar body was present. Ovoid sporocysts were 10.7 X 5.5 (9-12 X 5-6) micron; Stieda body and sporocyst residuum were present, but sub- and parastieda bodies were absent. This species was found in 2 of 18 (11%) hosts. Sporulated oocysts of Eimeria parastiedica n. sp. were subspheroid, 27.4 X 25.5 (25-30 X 22-28) micron; micropyle, oocyst residuum, and polar body were absent. Ovoid sporocysts, pointed at both ends, were 18.3 X 10.4 (16-20 X 9-11) micron; Stieda, sub-, and parastieda bodies were present as was a sporocyst residuum. This species was found in 2 of 18 (11%) hosts.(ABSTRACT TRUNCATED AT 250 WORDS)
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