The insect head is essentially a capsule which encloses the brain and bears the usually external (ectognathous) mouthparts, the eyes and a pair of sensory antennae. The mouth part comprise basic sections as:

A. An upper lip (labrum), lower (ventral) surface of which forms the epipharynx

B. All of these

C. a tongue-like hypopharynx; the jaws (mandibles)

D. The paired maxillae and a lower lip (labium).

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