one of the plates forming the 'face' of an insect. Read more on: Clypeus

sclerite below frons. coalescent

the area of the carapace between the bottom (anterior) row of eyes and the beginning of the chelicerae (jaws).

(n) a shield-like plate on the front of an insect's head

Lowest part of the insect face, just above the labrum. Coarctate.

part of the insect head between labrum and frons

A facial sclerite lying between the epistomal suture and the juncture of the labrum with the head capsule; usually the region lying below the epistomal suture or anterior tentorial pits.

 part of an insects face just above the labrum. Coarctate:   

The area of the head between the frons and the labrum.

Part of the insect head to which the labrum is attached anteriorly; specifically a dorsal apotome that may be delimited from the frontal apotome, anterior to the clypeus (all, some or none of these ma [..]

A large plate on the ventral aspect of the head at the base of the rostrum. It is swollen in aphids to hold large sucking muscles.

the hard plate on the top of an insect’s head and is part of its exoskeleton. The butterfly’s labrum or upper lip is at the bottom edge of the clypeus.

a plate on the front central part of an insect's head