Revision of the genus Pseudeurybata Hennig (Diptera, Micropezidae, Taeniapterinae) Author Marshall, S. A. text Zootaxa 2016 4132 2 254 268 journal article 38688 10.11646/zootaxa.4132.2.5 1ebd755f-a599-4211-a151-5f7fe6352fc8 1175-5326 265229 3A91E1E4-E71F-4896-867C-D395A7AA3F36 Key to the species of Pseudeurybata Hennig 1 Postocellar seta absent (back of head with only inner and outer vertical setae, Fig. 45 ). Anterior margin of postpronotal lobe swollen, with a tuft of setae ( Fig. 45 ). Distiphallus with distal section beyond phallic bulb ( Fig. 49 ). Spermathecal ducts con- spicuously hirsute ( Fig. 52 ). South America .................................................. P. z e ta new species - Postocellar seta present ( Fig. 25 ). Anterior margin of postpronotal lobe neither swollen nor with a tuft of setae. Phallus of known males ending at phallic bulb ( Figs. 14, 16 , 28 , 41, 42 ). Spermathecal ducts bare. Central America and Mexico ..... 2 2 Wing clear except for dark apex ( Fig. 38 ). Anterior part of scutum conspicuously narrowed, dorsal surface with a prominent dip ( Fig. 39 ). Femora reddish except for contrasting black apex ( Fig. 38 )............... Pseudeurybata stigmatica Hennig - Wing evenly infuscated. Anterior part of scutum not conspicuously narrowed, dorsal surface almost straight. Femora brown to black, often with yellowish rings......................................................................... 3 3 Mid and hind femora with a distal yellow ring ( Fig. 32 )...................................................... 4 - Mid and hind femora uniformly brown at least on distal half ( Fig. 8 )............................................ 6 4 Fore and hind leg with tarsomere one white ( Fig. 32 ). Clypeus bare............ Pseudeurybata guatemalensis new species - All tarsi brown. Clypeus finely setulose.................................................................. 5 5 Scutum orange ( Fig. 1 ). Frontal vitta broad behind ocelli, tapered posteriorly ( Fig. 2 ). Pale distal ring of hind femur distinct, at least twice as long as distal dark part of femur ( Fig. 1 ).............................. Pseudeurybata alces new species - Scutum dark, with a broad silvery median strip expanding postsuturally ( Fig. 17 ). Frontal vitta narrowed behind ocelli and par- allel-sided posteriorly ( Fig. 18 ). Distal ring of mid and hind femur indistinct, less than twice as long as apical dark part of femur ( Fig. 17 ).......................................................... Pseudeurybata compeditus (Hennig) 6 Tarsomere one of foreleg white or mostly white ( Fig. 24 )....................... Pseudeurybata dasypogon new species - Tarsomere one of foreleg brown......................................................................... 7 7 Thorax dark brown with a silvery median longitudinal strip ( Fig. 36 ). Halter knob dark brown to black.......................................................................................... Pseudeurybata rufilabris (Enderlein) - Thorax uniformly orange ( Fig. 8 ). Halter knob orange............................. Pseudeurybata browni new species