Key to South American genera of Acanthocinini (Coleoptera, Cerambycidae Lamiinae) with erect setae on elytral surface Author Monné, Miguel A. 0000-0001-8825-3122 Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, São Cristóvão, 20940.040 Rio de Janeiro, RJ, Brazil monne@uol.com.br Author Santos-Silva, Antonio 0000-0001-7128-1418 Museu de Zoologia, Universidade de São Paulo, São Paulo, SP, Brazil. & toncriss @ uol. com. br; https: // orcid. org / 0000 - 0001 - 7128 - 1418 toncriss@uol.com.br Author Monné, Marcela L. Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, São Cristóvão, 20940.040 Rio de Janeiro, RJ, Brazil text Zootaxa 2020 2020-06-09 4789 2 523 553 journal article 21716 10.11646/zootaxa.4789.2.9 2170c1a8-db15-4793-a27b-e59752f7165d 1175-5326 3888664 0099C909-A570-4529-9AEC-9C863E5956E6 Leptocometes Bates, 1881 ( Figs. 45–46 ) Leptocometes Bates, 1881: 161 ; Özdikmen, 2008: 662 (reval.). Type species — Leptocometes hispidus Bates, 1881 (monotypy). Tithonus Thomson, 1864: 24 ; Özdikmen, 2008: 62 (preoccupied by Tithonus Germar, 1823 , Coleoptera , Curculionidae ). Type species — Tithonus umbrosus Thomson, 1864 (original designation). Lophopoedes Gilmour, 1957: 11 . Type species — Lophopoeum virescens Melzer, 1931 (original designation). Lathrozineus Gilmour, 1959c: 23 . Type species — Lathrozineus volcanensis Gilmour, 1959 (original designation). Diagnosis. Prothorax with prominent lateral tubercle placed centrally or a little behind; pronotum with tubercles; mesoventral process at most as wide as half of width of a mesocoxa; elytra without centrobasal crest or lateral carina. See comment in introduction. Number of species currently included: 15.