Nuevos registros de Odonata y Ephemeroptera para el noroeste de Argentina.

We provide new records for 14 species of Odonata and two species of Ephemeroptera including two new records for Argentina: Nephepeltia leopardina Rácenis (Anisoptera: Libellulidae) and Alloretochus peruanicus (Soldán) (Ephemeroptera: Caenidae). The distributions of Aphylla theodorina (Navás) (Anisoptera: Gomphidae) and Caenis tenella (Navás) (Ephemeroptera: Caenidae) are extended to the Yungas (both previously known for the NE of Argentina). New records are also included for: Neoneura confúndeos Wasscher & Van't Bosch (Coenagrionidae); Anax amazili(Burmeister) (Aeshnidae); Brachymesia furcata(Hagen), Erythemis plebeja (Burmeister), Erythrodiplax melanorubra Borrar, E. nigricans (Rambur), Macrothemis imitans imitans Karsch, M. musiva Calvert, Miathyria marcella (Selys) and Micrathyria hesperis Ris (Libellulidae); Progomphus complicatus Selys and Progomphus joergenseni Ris (Gomphidae). [ABSTRACT FROM AUTHOR]