Title:Hexamermis paranaense new species (Nematoda, Mermithidae): A parasite of Diloboderus abderus (Coleoptera, Scarabaeidae) in Argentina / Hexamermis paranaense sp. nov. (Nematoda, Mermithidae): Parasito de Diloboderus abderus (Coleoptera, Scarabaeidae) en Argentina
Title:Hábitos alimentarios de Gymnogeophagus meridionalis (Osteichthyes, Cichlidae) en un arroyo urbano / Feeding of Gymnogeophagus meridionalis (Osteichthyes, Cichlidae) in an urban stream
Title:Redescription of larva, pupa and adult of Anopheles (Anopheles) annulipalpis (Diptera: Culicidae) and the removal of the specie of the Cycloleppteron series
Title:Avifauna (Passeriformes) of Santa Cruz province, Patagonia (Argentina): Annotated list of species / Avifauna (Passeriformes) de la provincia de Santa Cruz, Patagonia (Argentina): Lista comentada de especies