Sentence Examples with the word clypeus

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

Ia, frons; b, clypeus (the pointed labrum beneath it); II, mandible; III, first maxilla; (a, base; b, sheath; c, piercer), III', inner view of sheath; IV, second maxillae forming rostrum (b, mentum; c, ligula).

The head is usually b, Membrane between clypeus and quadrangular in form with small labrum.

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Of the head-capsule in the imago, it appears that the clypeus and FIG.