Key to species of Evinus Dlabola

1 Connective V-shaped......................................................................... graminicolus

- Connective linear (Fig. 2 I).............................................................................. 2

2 Pygophore with posterior margin gradually tapering to acute posterior margin; subgenital plate with lateral triangular lobe short, not extending to dorsal margin of pygophore; apex of aedeagus abruptly curved ventrally..................... peri

- Pygophore with posterior margin abruptly tapering to rounded posterior margin; subgenital plate with lateral triangular lobe very long (Fig. 2 A); apex of aedeagus curved dorsally (Fig. 2 H).................................. macrospinus sp. n.