Revision and cladistic analysis of Neotropical genus Psilochlorops Duda (Diptera: Chloropidae) Author Riccardi, Paula Raile Author Amorim, Dalton De Souza text Zootaxa 2012 3326 37 48 journal article 10.5281/zenodo.214702 c82211fa-65f2-4cd3-b2c5-8bffeaa4f7d9 1175-5326 214702 Key to the species of Psilochlorops 1. Frons brown; scutum brownish, with distinct blackish stripes ( Figs. 13, 14 and 15 ), hind tibia dark..................... 2 - Frons yellow; scutum yellowish, with distinct brown stripes ( Figs. 16, 17 and 18 ), hind tibia variable................... 4 2. Frontal triangle with margins at most gently curved ( Figs. 1 and 2 ); interfrontals not inserted in or outside triangle; legs yellow, except hind tibia dark brown............................................................................. 3 - Frontal triangle with margins clearly sigmoid; one row of interfrontals inserted on frontal triangle ( Fig. 3 ); legs yellow, except for dark femora, hind tibia almost entirely dark..................................... Psilochlorops nigrifemur sp. n. 3. Scutum background pale yellow ( Fig. 14 ), frons brown with apex rounded and slightly projected forwards; frontal triangle brown with margins far from eyes; occiput bare ( Fig. 2 )............................... Psilochlorops brunneus sp. n. - Scutum background and frons dark yellow ( Fig. 13 ); frons straight and not projecting; frontal triangle dark brownish with margins almost reaching eyes; occiput with fine setulae ( Fig. 1 )............................. Psilochlorops clavitibia Duda 4. Head rather longer than broad in dorsal view ( Fig. 5 ); post–pronotum with a brown spot and three bristles; long axis of eye almost vertical; scutum twice as long as broad, lateral stripe almost separated into an anterior and a posterior separate maculae............................................................................ Psilochlorops elongatum sp. n. - Head broader than long in dorsal view; post–pronotum with one or two bristles; long axis of eye diagonal; scutum less than twice as long as broad, a single, elongated lateral stripe at each side.............................................. 5 5. Frontal triangle reaching anterior margin of frons ( Fig. 4 ); gena and postgena of same height, about one third height of eye ( Fig. 10 )................................................................... Psilochlorops paganelliae sp. n. - Frontal triangle not reaching anterior margin of frons ( Fig. 6 ); gena about one fifth height of eye, postgena about 1/2 ( Fig. 12 )............................................................................ Psilochlorops flavisoma sp. n.