Redescription of Oligacanthorhynchus major (Machado-Filho, 1963) Schmidt, 1972 (Acanthocephala: Oligacanthorhynchidae) from the white-lipped peccary (Tayassu pecari) in Bolivia

Dennis J. Richardson; Michael A. Barger

doi:10.1654/4235.1

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Dennis J. Richardson,^1,* Michael A. Barger²

¹a Box 71, Quinnipiac University, 275 Mt. Carmel Avenue, Hamden, Connecticut, 06518, U.S.A. ( De
²b Department of Natural Science, Peru State College, Peru, Nebraska, 68421, U.S.A. ( mbarger@oa

^* Corresponding author

Abstract

Oligacanthorhynchus major (Machado-Filho, 1963) Schmidt, 1972 (Acanthocephala: Oligacanthorhynchidae) was redescribed using specimens from 2 white-lipped peccaries (Tayassu pecari) collected in the department of Santa Cruz, Bolivia. The male and the egg of O. major were described for the first time. The female worm is 241-824 mm long; the trunk is narrowest at the anterior end and widest in the middle of the worm. The male worm (120 mm) is substantially smaller than the female, the testes are confined to the posterior region, and an instance of monorchism is documented for a member of this species.

Citation Download Citation

Dennis J. Richardson and Michael A. Barger "Redescription of Oligacanthorhynchus major (Machado-Filho, 1963) (Acanthocephala: Oligacanthorhynchidae) from the white-lipped peccary (Tayassu pecari) in Bolivia," Comparative Parasitology 73(2), 157-160, (1 July 2006). https://doi.org/10.1654/4235.1

Published: 1 July 2006

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