Key to the genus Cuspidevia Jäch & Boukal

1. Five elytral striae well visible; the first ventrite with a pair of ad-median carinae; ventral sac without teeth ............... .............................................................................................................................................. Cuspidevia brevis sp. nov.

- Elytral striae well visible less than five; the first ventrite without carinae; ventral sac with a pair of apical teeth...... 2

2. Three elytral striae well visible; apical teeth of ventral sac more developed ...................... Cuspidevia jaechi sp. nov.

- Two elytral striae well visible; apical teeth of ventral sac smaller ................................................... Cuspidevia velaris