The frons and the thorax are red-brown. Stiff hairs can be found on its frons and vertex. The specific "albifrons" is from Latin "albus", "white", and "frons", "forehead". The clypeus, located below the frons, lies between the two antennae. Females have a shining callus on the frons (front of the head between the eyes). In between the Y-shaped line lies the frontal triangle or frons. The head is broad and the frons is broad in both sexes. The frons in both sexes is broad. The specific "flavifrons" is from the Latin words "flavus", "yellow", and "frons", "forehead". The name comes from the Latin word "frons" (meaning "forehead"). The scaenae frons is the elaborately decorated permanent architectural background of a Roman theatre stage. The frons and outer tail shafts are white. In Russian the lateral parts of the frons are termed 'orbits'. The eyes are wide-set on the frons in males and females. The theatre also has a "podium", which supports the columns of the scaenae frons.