The aim of this study is to describe Fannia puxcu sp. n., a new species of the genus Fannia Robineau-Desvoidy (Diptera: Fanniidae) that was collected in the Villavicencio Provincial Reserve in Mendoza, Argentina, and to present an updated key to the 27 species of Fannia Robineau-Desvoidy (Diptera: Fanniidae) of Southern South America. The male of F. puxcu sp. n. is described, and illustrations provided as well as distributional records and a discussion of its possible phylogenetic affinities.
The aim of this study is to describe Fannia puxcu sp. n., a new species of the genus Fannia Robineau-Desvoidy (Diptera: Fanniidae) that was collected in the Villavicencio Provincial Reserve in Mendoza, Argentina, and to present an updated key to the 27 species of Fannia Robineau-Desvoidy (Diptera: Fanniidae) of Southern South America. The male of F. puxcu sp. n. is described, and illustrations provided as well as distributional records and a discussion of its possible phylogenetic affinities.
Fannia Robineau-Desvoidy is found in all biogeographic regions. The genus contains approximately 360 known species, 18 of which have been recorded from Mexico. Herein, we describe six new species in the Fannia pretiosa-group, redescribe Fannia gilvitarsis Chillcott, and provide diagnosis, habitus images, drawings of the male terminalia, and an identification key for all species of the group that occur in Mexico. All Fannia pretiosa-group species from Mexico share a similar morphology of the mid tibia, hind femur, and male terminalia.
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