A New Generic Synonymy for Leptophlebiidae (Ephemeroptera) from Patagonia, and Descriptions of Female and Subimagos of Dactylophlebia carnulenta Pescador & Peters

specimens of dactylophlebia carnulenta pescador & peters, only known from nymphal stage, were collected and reared in situ. from the material obtained, archethraulodes spatulus pescador & peters, known from male imago and the only known species for the genus, is proposed as junior synonymy with d. carnulenta. additionally, female imago and subimagos of d. carnulenta are described.