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 Tenthras Thomson, 1864 ( Fig. 36 ) Tenthras Thomson, 1864: 224 . Type species — Tenthras obliteratus Thomson, 1864 (original designation). Diagnosis. Antennae in both sexes shorter than body; prothorax with lateral tubercles well-developed at the posterior third; pronotum without tubercles; elytra without centrobasal crest or longitudinal carina; tibiae with long apical spur; basal metatarsomere longer than next two together. Number of species currently included: 2 (both in Central America ).