In English
Two species of nematodes, Rhabdias cf. elegans (Rhabdiasidae) and Aplectana hylambatis (Cosmocercidae), were recovered from the lungs and intestine of Trachycephalus typhonius (Anura: Hylidae) captured in Formosa Province, Argentina. Morphological and morphometric data of both species are provided, and previous records of Rhabdias spp. in the Neotropical region are summarized. The finding of Rhabdias cf. elegans constitutes the first record of this genus in the Formosa Province, and the finding of A. hylambatis represents the first record of this species as a parasite of hylid frogs, and the first report in Formosa Province. Trachycephalus typhonius represents a new host for both parasites.
In Spanish
Dos especies de nematodos, Rhabdias cf. elegans (Rhabdiasidae) y Aplectana hylambatis (Cosmocercidae), fueron recuperados de los pulmones e intestino de Trachycephalus typhoniusRhabdias spp. en la región neotropical. El hallazgo de Rhabdias cf. elegans constituye el primer registro del género Rhabdias en la provincia de Formosa y el de A. hylambatis representa el primer registro de esta especie en hílidos, y el primer reporte en la provincia de Formosa. Trachycephalus typhonius