Title:A new species of Hexamermis Steiner, 1924 (Nematoda, Mermithidae) parasitizing Epilachna paenulata (Germar, 1824) (Coleopera, Coccinellidae) in Argentina / Una nueva especie de Hexamermis Steiner, 1924 (Nematoda, Mermithidae) parásito de Epilachna paenulata (Germar, 1824) (Coleopera, Coccinellidae) en Argentina
Title:Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Title:Description of Litomosoides ysoguazu n. sp. (Nematoda, Onchocercidae), a parasite of the tuft-toed rice rat Sooretamys angouya (Fischer) (Rodentia: Cricetidae), and a first record of L. esslingeri Bain, Petit & Berteaux, 1989 in Paraguay