"forehead," from Latin frons (see front (n.)).

forehead, brow, front

The uppermost part of the head of an insect.

(head, head capsule) – The area dorsally on the head anterior to the antennal insertions and posterior to the epistoma, where visible.  The term is sometimes used for the area between the eyes, which [..]

N C forehead| brow; face; look; front; fore part of anything

The 'face'. Area between the eyes of a butterfly.

the upper, anterior portion of the head

forehead

A facial area of the head dorsad of the epistomal suture and between the compound eyes; the facial area enclosed by the frontal sutures of the epicranial or ecdysial suture; the "front" of authors.

 upper section of an insects face. Frontal Bristles:   

 the area of the face that is dorsal to (above) the antennae.

The single medio-anterior sclerite of the insect head, usually lying between the epicranium and the clypeus.

The most forward-facing aspect of the head.