clypeus

[ klip-ee-uh s ]

/ ˈklɪp i əs /

the area of the facial wall of an insect's head between the labrum and the frons, usually separated from the latter by a groove.

Origin of clypeus

1825–35; < New Latin, special use of Latin clypeus, clipeus round shield

clyp·e·al, adjective

clyde, clydebank, clydesdale, clype, clypeate, clypeus, clysis, clyster, clytemnestra, clytius, cm

The labrum and clypeus are developed as a single prolongation of the oral piece, not as a pair of appendages.

Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 |Various
Post-epistoma: that part of the head behind the clypeus in Hymenoptera: see also post-clypeus.

Explanation of Terms Used in Entomology |John. B. Smith
Supra-clypeal mark: in bees; a patch of light color above the clypeus.

Explanation of Terms Used in Entomology |John. B. Smith
The continuous stream becomes patchy—in parts very brilliant—where it crosses Aquila and Clypeus.

Half-hours with the Telescope |Richard A. Proctor

The face (clypeus) is broad, extending on either side in front of the insertion of the feelers.

Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 |Various

clypeus

/ (ˈklɪpɪəs) /

a cuticular plate on the head of some insects between the labrum and the frons

clypeal, adjective clypeate (ˈklɪpɪˌeɪt), adjective

C19: from New Latin, from Latin clipeus round shield