Tyrinthia, Bates, 1866

Galileo, Maria Helena M., Mcclarin, Jim & Santos-Silva, Antonio, 2017, The genus Tyrinthia Bates, 1866 in Ecuador (Coleoptera, Cerambycidae, Lamiinae, Hemilophini), Zootaxa 4362 (3) : -

Key to species of Tyrinthia from Ecuador

1. Scape distinctly clavate................................................................................ 2

- Scape cylindrical...................................................................................... 3

2(1). Dorsal surface of head, pronotum, ventral side of thorax and abdomen bicolorous; each elytron with one longitudinal black band from base to apex. Ecuador............................................. T. frontalis Guérin-Méneville, 1855

- Dorsal surface of head, pronotum, entire surface of ventral side of thorax and abdomen black; elytra entirely black on basal 2/ 3. Ecuador........................................................................... T. napoensis sp. nov.

3(1). Pronotum bicolorous. Ecuador, Peru, Bolivia, Brazil (Amazonas, Pará, Rondônia)............... T. capillata Bates, 1866

- Pronotum unicolorous................................................................................. 4

4(3). Pronotum entirely dark. Ecuador, Colombia...................................... T. turuna Martins & Galileo, 1993

- Pronotum entirely light................................................................................. 5

5(4). Elytra light on at about basal third, distinctly dark on remaining surface; antennomere IV with small light ring at apex. Ecua- dor, Colombia, Peru, Brazil (Amazonas, Rondônia)............................... T. paraba Martins & Galileo, 1991

- Elytra entirely light; antennomere darkened only at basal third. Ecuador............. T. aurantia Martins & Galileo, 2007