Two new species of bucephalids (Digenea: Bucephalidae) parasitic in freshwater fishes of Argentina |
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Authors: | Lunaschi Lía I |
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Affiliation: | División Zoología Invertebrados. Museo de La Plata, FCN y M. Paseo del Bosque S/No. 1900 La Plata, Buenos Aires, Argentina. lunaschi@museo.fcnym.unlp.edu.ar |
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Abstract: | Two new species of bucephalids (Digenea: Bucephalidae) were found parasitizing freshwater fishes of Argentina. Prosorhynchoides cambapuntaensis sp. n. from Salminus maxillosus (Characidae) is characterised by the tegument covered with two kinds of spines, scale-like spines anteriorly and fine spines posteriorly; uterine loops reaching the vitelline arch in the pre-oral region; and the Laurer's canal short, opening dorsally immediately posterior to the ovary. Rhipidocotyle santanaensis sp. n. from Acestrorhynchus pantaneiro (Acestrorhynchidae) is characterised by the rhynchus with two lateral projections; the testes arranged in tandem or slightly diagonal; and the vitelline follicles forming an arch in the pre-oral region. |
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