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 Carphina arcifera Bates, 1872 Carphina arcifera Bates, 1872: 223 ; Chemsak & Linsley, 1970: 409 (lect.). Type locality — Lectotype female: Nicaragua , Chontales ( BMNH ). Distribution — Mexico ( Veracruz , Chiapas , Nayarit ), Guatemala , Honduras , Nicaragua , Costa Rica , Panama , Galapagos Islands (introduced). Chaetacosta Gilmour, 1961 ( Figs. 40–41 ) Chaetacosta Gilmour, 1961: 354 . Type species — Chaetacosta vittithorax Gilmour, 1961 (original designation). Diagnosis. Species of reduced dimensions (total length 3 – 5 mm ); prothorax with lateral tubercle placed in the posterior third; elytra without carinae, with tuft of setae on the soft longitudinal elevations; mesoventral process as wide as one-third of a mesocoxa. Number of species currently included: 1.