Key to Mexican and Central American genera of Acanthocinini (Coleoptera Cerambycidae, Lamiinae) with erect setae on elytral surface, excluding the Caribbean Islands Author Monné, Miguel A. 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; https: // orcid. org / 0000 - 0001 - 8825 - 3122 Author Santos-Silva, Antonio Museu de Zoologia, Universidade de São Paulo, São Paulo, SP, Brazil. 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. & Fellowship of the Conselho Nacional de Desenvolvimento Científico (CNPq. text Zootaxa 2020 2020-11-24 4885 1 1 26 journal article 9378 10.11646/zootaxa.4885.1.1 ad56828c-aee3-4b22-a912-048c722e4410 1175-5326 4296290 08FEBDE6-4271-4A56-A87E-A0C25FD0282E Onalcidion Thomson, 1864 ( Fig. 29 ) Onalcidion Thomson, 1864: 25 . Type species Alcidion pictulum White, 1855 (original designation). Diagnosis. Lateral tubercles of the prothorax placed after middle and scarcely developed; pronotum without tubercles; elytra with lateral carina; elytral centrobasal crest without long setae dorsally; mesoventral process half of the width of a mesocoxa; basal metatarsomere as long as one and a half times the next two together. Number of species currently included: 6: in Central America : 2.