Asynapteron, Martins, 1970

Juárez-Noé, Gino & González-Coronado, Uzbekia, 2023, A new species of Asynapteron Martins, 1970 (Coleoptera, Cerambycidae, Cerambycinae, Tropidini) from the Peruvian Andes, Zootaxa 5256 (4), pp. 397-400 : 399

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