A new Trichostrongylus parasitizing the subterranean rodent Ctenomys talarum (Rodentia: Octodontidae) from Mar de Cobo, Argentina.

Abstract

A new nematode species, Trichostrongylus duretteae sp. nov., found in the small intestine of Ctenomys talarum from Argentina is described. The new species more closely resembles T. suis Iwanitsky, 1930 a parasite of Sus scrofa in the USSR. However, the new species can be distinguished by the morphology of male genital bursa: Rays 6 distant from rays 8 and a larger dorsal ray in relation to the length of rays 2 to 8. The present finding is the first record of the genus Trichostrongylus in rodents of the family Octodontidae.