Resumen

PESSACQ, Pablo. Current knowledge of Patagonian Ephemeroptera. Rev. Soc. Entomol. Argent. [online]. 2009, vol.68, n.1-2, pp.155-161. ISSN 0373-5680.

The current knowledge of the Patagonian Ephemeroptera is due to the original and compiling work by M.L. Pescador, W.L. Peters and E. Domínguez during last Century's 80´s . Besides, other previous publications exist that contributed to achieve a reasonable knowledge of its taxonomy for the norhtern and central Patagonian Andes, though poor for the southernmost mountain areas (Santa Cruz and Tierra del Fuego provinces) and the steppe. From the field work carried in 80 collecting sites during the development of the "Darwin Initiative Project" in the Nahuel Huapi Nacional Park, some species are recorded for the first time in Argentina (Hapsiphlebia anastomosis Demoulin), the Andean region (Apobaetis Day) and the province of Río Negro (Chaquihua bullock (Navás), Andesiops ardua (Lugo-Ortíz & McCafferty), Murphyella needhami Lestage, Dactylophlebia carnulenta Pescador & Peters). With these records, 43 species and 24 genera of Patagonian Ephemeroptera inhabit Patagonia, out of which 33 species belonging to 20 genera are known to occur in Argentina.

Palabras clave : Ephemeroptera; Patagonia; Biodiversity.

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