Key to the species of Cota Bolívar, 1887 (adapted from Bruner (1910) and Cadena-Castañeda and Cardona-Granda (2015)).

1. First cusp on pronotum rounded or subquadrate................................... 2

— First cusp on pronotum spiniform....................... C. bispina (Saussure, 1861)

2. First cusp on pronotum subquadrate and lateral lobe of pronotum rounded at apex.................................................. C. strumosa Bolívar, 1887 (Fig. 20)

— First cusp on pronotum rounded and lateral lobe of pronotum with other shape......... 3

3. Lateral lobe of pronotum with tricuspid shape......... C. saxosa Bolívar, 1887 (Fig. 19)

— Lateral lobe of pronotum subquadrate............................................... C. undulata (Cadena-Castañeda and Cardona-Granda, 2015) n. comb. (Fig. 21)