Euryomma Stein and Fannia Robineau-Desvoidy are the only genera of Fanniidae (Diptera) occurring in South America. The present study concerns only to Euryomma species. Identification keys to Fanniidae genera and to the species of Euryomma of southern Brazil are provided. Redescriptions of the previously recorded species and the description of Euryomma palpingens sp. nov. from Ponta Grossa, Paraná, are presented. Euryomma carioca Albuquerque is newly recorded from Santa Catarina and Rio Grande do Sul, and E. peregrinum (Meigen) from Santa Catarina. Drawings of the main diagnostic characters and male and female terminalia of all species are included.
Biodiversity; morphology; Muscoidea; Neotropical region; systematics
