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ARTICLES

Vol. 2 No. 3 (2014): Rev. Arg. Parasitol.

Distribución geográfica de cestodes Hymenolepididae de Oxymycterus rufus (Rodentia - Cricetidae) en Argentina

  • Natalia Beatriz Guerreiro Martins
  • María del Rosario Robles
  • Graciela Navone
Submitted
September 29, 2026
Published
2026-10-07

Abstract

In Argentina, parasitological studies in Cricetide rodents were mainly carried out in nematodes. However, some research has shown that cestodes are common components of their parasite assemblages. In this paper, taxonomy, geographical and host distribution of cestodes from Oxymycterus rufus including six localities, from Corrientes to Buenos Aires provinces, are studied. The 49.5% of the hosts examined, were infested with cestodes. Morphological studies indicated the presence of Rodentolepis cf. akodontis in all localities, with a prevalence of 30% and a medium intensity of three. In contrast, Hymenolepis sp. was found only in Parque Provincial Ernesto Tornquist in Buenos Aires province, with a prevalence of 25% and a medium intensity of four.
These findings are the first records for all the localities studied and for O. rufus. The presence of the two genera in the same host, and site of infection (small intestine) indicate that these taxa can coexist, but the value of Fager affinity index, between them was not significant. Besides, this survey provides an update of the species of Hymenolepididae parasitizing American rodents, including the comparison of eight species of the genus Rodentolepis and five of genus Hymenolepis.

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