Revision of the shore-fly genus Peltopsilopa Hendel (Diptera: Ephydridae) Author Savaris, Marcoandre Author Marinoni, Luciane Author Mathis, Wayne N. text Zootaxa 2016 2016-02-18 4083 1 83 98 journal article 31494 10.11646/zootaxa.4083.1.4 ed7dc9b4-c502-4e6d-84f7-e7cb614e9211 1175-5326 1054066 A7615718-CB71-4572-BEED-09048FCDBBA9 Key to genera of Psilopini from South America 1. Scutellum greatly enlarged, extended over and beyond posterior of abdomen....................... Peltopsilopa Hendel - Scutellum normally developed, not extended posteriorly far over abdomen........................................ 2 2. Base of wing blackish, contrasting with remainder of wing.................................... Cressonomyia Arnaud - Base of wing concolorous with rest of wing, usually hyaline or very lightly tinged.................................. 2 3. Antenna with pedicel conical, broader apically, without dorsoapical lobe, with dorsoapical spine weak and at most 1/3 as long as basal flagellomere; basal flagellomere from 2‒ 4X as long as wide............................. Ceropsilopa Cresson - Antenna with pedicel short and subtriangular, with dorsoapical lobe, with dorsoapical spine strong and at least half as long as basal flagellomere; basal flagellomere at most 2X as long as wide............................................... 4 4. Vein R2+3 close to costa beyond end of vein R1; crossvein dm-cu with sharp angle at middle........... Clanoneurum Becker - VeinR2+3 well separated from costa; crossvein dm-cu mostly straight or shallowly arched, not angulate.................. 5 5. Face smooth, lacking transverse striae.......................................................... Psilopa Fallén - Face with transverse striae............................................................. Leptopsilopa Cresson