Tibraca Stål, 1860

The genus can be recognized by having the head longer than wide, the anteocular region longer than wide, the mandibular plates and the clypeus nearly equal in length, the apex of the mandibular plates are not contiguous, the labial segment I is between the bucculae, the antennal segments I and II equal in length, the antennal segment II is the longest, the anterolateral margins of the pronotum are rectilinear, and the frenum is distally wider than the half basal of the scutellum (Fernandes & Grazia 1998b, Torres 2004).