Parasitology, Harold W. Manter Laboratory of


Date of this Version



Published in the Journal of Parasitology (October 2000) 86(5): 1,114-1,117. Copyright 2000, the American Society of Parasitologists. Used by permission.


Halipegus eschi n. sp. is described from the esophagus of Rana vaillanti from Guanacaste Province, Costa Rica. The new species differs from other known species of Halipegus on the basis of relative testis size, lateral extent of the uterus, vitelline follicle arrangement, egg size, and polar filament length.