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A lip, or liplike organ.

See Labium.

Of or pertaining to the labium; as, the labial palpi of insects. See Labium.

One of the labial palpi of an insect. See Illust. under Labium.

The central process, or front edge, of the labium of insects. It sometimes serves as a tongue or proboscis, as in bees. [See Illust. under Labium, and Hymenoptera.]

A median process of the labium, at the under side of the mouth in insects, and serving as a tongue.

The front median plate of the labium in insects. See Labium.

s Culex and allied genera. The females have a proboscis containing, within the sheathlike labium, six fine, sharp, needlelike organs with which they puncture the skin of man and animals to suck the blood. These bites, when numerous, cause, in many persons, considerable irritation and swelling, with some pain. The larvæ…

That portion of the labium which bears the palpi in insects.

One of a pair of small appendages of the lingua or labium of certain insects. See Illust. under Hymenoptera.

The basal part of the labium of insects. It bears the mentum.

The mouth parts of an insect, collectively, including the labrum, labium, maxillæ, mandibles, and lingua, with their appendages.