The Gordiida (Nematomorpha) are obligate parasites of insects. Adults inhabit permanent and temporary aquatic environments. After mating, the female expels egg strings in the substrate or aquatic vegetation. The aim of this work was the morphometric characterization of the Chordodes brasiliensis larvae from the Tala River, Catamarca province.Centro de Estudios Parasitol贸gicos y de Vectore
