Patanius Rolston, 1987
The genus can be recognized by having the mandibular plates surpassing clypeus, the antennae is four segmented; the antennal segment I surpassing the apex of the head; the first labial segment surpassing the bucculae; the labium surpassing the procoxae but not attaining the mesocoxae; the superior surface of the pro-, meso- and metafemur unarmed apically; the prosternum is nearly flat; the mesosternum somewhat tumid and scarcely carinate medially; the base of the abdomen without processes; and the parameres are absent (Rolston 1987).