Title:External ultrastructure of Manayunkia speciosa (Fabriciidae) from Uruguay River, Argentina / Ultraestructura externa de Manayunkia speciosa (Fabriciidae) del Río Uruguay, Argentina
Title:Trophic relationships between macroinvertebrates and fish in a pampean lowland stream (Argentina) / Relaciones tróficas entre los macroinvertebrados y peces en un arroyo de la llanura pampeana (Argentina)
Title:The sandfly fauna, anthropophily and the seasonal activities of Pintomyia spinicrassa (Diptera: Psychodidae: Phlebotominae) in a focus of cutaneous leishmaniasis in northeastern Colombia