| a new oligacanthorhynchid acanthocephalan described from the great horned owl, bubo virginianus (strigidae), and red-tailed hawk, buteo jamaicensis (accipitridae), from central arizona, u.s.a. | oligacanthorhynchus nickoli n. sp. (acanthocephala: oligacanthorhynchidae) is described from the great-horned owl, bubo virginianus (gmelin, 1788) (type host), and red-tailed hawk, buteojamaicensis (gmelin, 1788), collected in central arizona. the new species is most similar to oligacanthorhynchus iheringi and oligacanthorhynchus minor, but it differs from all congeners primarily by trunk length, proboscis size and armature, egg size, geographical range, and host species. it is distinguished fro ... | 2007 | 17436950 |