A new species of Asynapteron Martins, 1970 (Coleoptera, Cerambycidae, Cerambycinae, Tropidini) from the Peruvian Andes Author Juárez-Noé, Gino 0000-0001-5920-7549 Piura district, post office 20001, Piura Region, Peru. & norbiol @ hotmail. com; https: // orcid. org / 0000 - 0001 - 5920 - 7549 norbiol@hotmail.com Author González-Coronado, Uzbekia 0000-0002-8847-6059 Piura district, post office 20001, Piura Region, Peru. & issa. gonzalez 06 @ gmail. com; https: // orcid. org / 0000 - 0002 - 8847 - 6059 issa.gonzalez06@gmail.com text Zootaxa 2023 2023-03-21 5256 4 397 400 http://dx.doi.org/10.11646/zootaxa.5256.4.8 journal article 10.11646/zootaxa.5256.4.8 1175-5326 Key to species of Asynapteron (adapted and translated from Martins, 2009 ) 1 Eyes with a row of ommatidia between the lobes............................................................ 2 - Eyes divided......................................................................................... 3 2(1) Elytra with one elongated light macula on the posterior half; apex not spiniform at outer angle. Peru .............. A . inca - Elytra with two light maculae on the posterior half; apex spiniform at outer angle. Peru .............. A . andinum sp. nov. 3(1) Central pronotal tubercle well developed; apex of metafemora without acute or spiniform projection. Ecuador ..................................................................................................... A . contrarium - Central pronotal tubercle barely visible or absent; apex of metafemora with acute or spiniform projection............... 4 4(3) Macula on the anterior half of the elytra convex and macula on apical half subrounded.............................. 5 - Macula on the anterior half not elevated and macula on apical half rounded, both with dark band around them............ 6 5(4) Antennae and hind legs black. Guyana ........................................................ A . eburnigerum - Antennae and hind legs reddish or orangish. Mexico , Honduras , Nicaragua , Costa Rica , Panama , Colombia , Venezuela , Ecuador ...................................................................................... A . glabriolum 6(5) Apical spines of meso- and metafemora and on the elytra well developed. Ecuador ......................... A . ranthum - Apices of meso- and metafemora only acute and elytral apex not spiniform. Ecuador ................... A . equatorianum