A taxonomic revision of Stibasoma Schiner, 1867 (Diptera: Tabanidae) Author Turcatel, Mauren Author Carvalho, Claudio José Barros De Author Rafael, José Albertino text Zootaxa 2010 2368 1 39 journal article 10.5281/zenodo.275783 2f263c21-0050-47a8-a45b-16a8336f72e1 1175-5326 275783 Key to females of Stibasoma 1. Subcallus pollinose................................................................................................................................................... 2 -. Subcallus predominantly shiny............................................................................................................................... 12 2 (1). Gena with white to yellow hairs............................................................................................................................... 3 -. Gena with brown to black hairs................................................................................................................................ 6 3 (2). Pleural sclerites with dark brown to black and white hairs ...................................................................................... 4 -. Pleural sclerites with orange hairs .............................................................................................................. S. currani 4 (3). Wing brown with two conspicuous lighter areas: one hyaline at apex, along distal portion of the cells r2+3 and r4, the other yellowish, in middle, along cells c, sc, r1, r2+3, r5 and d ..................................................... S. bifenestratum -. Wing not as described above .................................................................................................................................... 5 5 (4). Tergite 3 yellow, with two black spots laterally .................................................................... S. manauensis sp. nov. -. Tergite 3 dark brown with dark brown hairs, except for a row of yellow hairs distally............................................. .......................................................................................................................................................... S. leucopleurale 6 (2). Wing predominantly yellowish................................................................................................................................. 7 -. Wing predominantly brownish ................................................................................................................................. 8 7 (6). Thorax with black hairs dorsally and laterally ...................................................................................... S. flaviventre -. Thorax with yellow to orange hairs dorsally and laterally .................................................................. S. fulvohirtum 8 (6). Tergites dark brown to black with yellow marks...................................................................................................... 9 -. Tergites totally dark brown to black in dorsal view ............................................................................................... 10 9 (8). Scutum totally dark brown to black ....................................................................................................... S. theotaenia -. Scutum dark brown to black with yellow marks ............................................................................................ S. bella 10 (8). Sternites totally dark brown to black...................................................................................................................... 11 -. Sternites dark brown to black with yellow hairs laterally ............................................................................... S. lutzi 11 (10). Palpus slender ...................................................................................................................................... S. giganteum -. Palpus enlarged ........................................................................................................................................ S. willistoni 12 (1). Wing predominantly yellowish............................................................................................................................... 13 -. Wing predominantly brownish ............................................................................................................................... 15 13 (12). Tergite 1 dark brown and yellow .......................................................................................................................... 14 -. Tergite 1 totally yellow with yellow hairs ...................................................................................... S. ruthae sp. nov. 14 (13). Tergites 1 and 2, lateral margins yellow with yellow hairs and dark brown with dark brown hairs in middle........ .................................................................................................................................................................... S. bicolor -. Tergites 1 and 2 dark brown to black with a stripe of yellow hairs on the distal margin ........................................... ............................................................................................................................................................ S. apicimacula 15 (12). Wing brown with hyaline apex............................................................................................................................. 16 -. Wing brown with one or more light spots .............................................................................................................. 17 16 (15). Tergites (all) dark brown to black with triangles of yellow hairs in middle of distal margin ....... S. aureoguttatum -. Tergites 1 and 2 yellow with yellow hairs; the remaining tergites light brown with copper-red hairs S. panamensis 17 (15). Wing with two conspicuous lighter areas: one hyaline at apex, reaching the distal portion of cells r2+3 and r4 and the other in middle of the wing, yellowish, along cells c, sc, r1, r2+3, r5 and d .................................. S. chionostigma -. Wing with apex and discal cell hyaline ..................................................................................................... S. festivum