Head. Dorsal view slightly more than two times as broad as
long. POL about 1,4 times OOL, posterior ocellus separated
from inner orbit of eye by about 2,5 times its diameter. In anterior
view (fig. 1A) 1,2 times as broad as high; lower face not
keeled medially; with facial striae radiating from clypeus, scarcely
reaching compound eyes and lower margin of antennal sockets.
Upper face and vertex coriarious; median frontal carina and lateral
frontal carinae absent. Ocellar plate distinctly raised. Lateral
margin of gena bowed, height of malar space about 0.5 times the
height of compound eye. Clypeus subquadrate. Ventral margin
of clypeus slightly projecting. Anterior tentorial pits small but
clearly indicated. Epistomal sulcus and clypeo-pleurostomal lines
weakly marked. Antennal sockets situated at mid-height of
compound eye; distance between antennal rim and compound
eye 1.2 times as long as width of antennal socket including rim.