MOLECULAR AND NEW MORPHOLOGICAL DATA ON NEMATODE HEDRURIS DRATINI FOUND PARASITIZING PSEUDIS MINUTA (ANURA: HYLIDAE).

Hedruris has a worldwide distribution, parasitizing lampreys, fishes, frogs, and lizards. In South America, 4 species have been reported on frogs (Hedruris heyeri, Hedruris juninensis, Hedruris moniezi, and Hedruris mucronifer), 3 on fishes (Hedruris basilichtensis, Hedruris orestiae, and Hedruris suttonae), and 1 on turtles (Hedruris dratini). We examined a frog (Pseudis minuta) found dead in the Pescado stream, Argentina, searching for parasites.

Molecular phylogenetic relationship between Philometroides tahieli (Nematoda, Philometridae) and other philometrids from South America.

In South America, the family Philometridae is represented by several genera and species. In particular, Philometra and Philometroides are the most speciose genera. In Argentina, only Philometroides tahieli has been reported so far.