| a new species of eimeria (apicomplexa: eimeriidae) from the western hognose snake, heterodon nasicus (serpentes: xenodontidae), from texas. | a new species of coccidian (apicomplexa: eimeriidae) is described from the feces of a western hognose snake heterodon nasicus (serpentes: xenodontidae) collected from texas, and housed in the collection of the zoological society of london. oocysts of eimeria mchenryi n. sp. are cylindrical, 35.0 ± sd 1.4 (32-37) × 17.0 ± 0.7 (16-18) µm; the shape index (length/width) is 2.05. a micropyle, oocyst residuum, and polar granule are absent. sporocysts are subspherical 9.3 (7-11.5) × 7.7 (6-9) µm, with ... | 2011 | 21506855 |