Limnomermis subtropicalis n. sp. (Nematoda: Mermithidae) a parasite of
Simulium orbitale Lutz (Diptera: Simuliidae) found in Argentina is
described and illustrated.
This species is characterized by having medium sized amphids,
pocket-shaped, medium sized vagina, sculptured spicule, and by having 9
preanal, 7 postanal papillae in the ventral row, and 12 papillae in the