Key to the species of genus Ebonius Lewis

1. Elytra with all the dorsal striae complete, strongly marked on their length (Fig. 3 E)............ E. aequatorius Lewis, 1910

- Elytra with at least the fifth dorsal stria incomplete, sometimes represented by a row of points (Fig. 3 A, C).............. 2

2. Pronotum with a small smooth area on posterior region, not exceeding the middle; fourth dorsal stria of elytra complete (Fig. 3 C); carinal stria of prosternum separated in middle by less than half the distance between procoxae (Fig. 3 D)............................................................................................ E. lineiger (Marseul, 1870)

- Pronotum with an ample smooth area on posterior region, exceeding the middle; fourth dorsal stria of elytra much reduced or represented by a row of points (Fig. 3 A); carinal stria of prosternum separated in middle by more than half the distance between procoxae (Fig. 3 B)............................................................ E. politus Lewis, 1885