From the endemic New World halyine genus Brochymena, two genera are recognized. / Brochymena is redefined with 16 taxa. Four synonymies are established: B. marginella Stal = B. carolinensis (Westwood); B. pilatei Van Duzee = B. sulcata Van Duzee; B. laevigata Ruckes = B. myops Stal; B. exardentia Ruckes = B. lineata Ruckes. / Parabrochymena new genus, is erected to contain 8 taxa formerly included in Brochymena. P. inbio and P. ruckesi are newly described. P. barberi diluta is given specific rank. One synonymy is established: B. cuspidata Distant = P. haedula Stal. The status of P. aculeata remains uncertain. / Genera and species groups are described and keys to all taxa provided. As appropriate, for each species, the following are provided: original description citation, synonymies, type material, diagnosis, description, geographical distribution, chorological affinities, phylogenetic relationships, taxonomic comments, natural history, and illustrations of important structural characters. / Evolutionary relationships are discussed based on morphological, ecological, and chorological evidence.

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