• Webster's Revised Unabridged Dictionary
    • n Epipharynx (Zoöl) A structure which overlaps the mouth of certain insects.
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Century Dictionary and Cyclopedia
    • n epipharynx In entomology, a fleshy lobe beneath the labrum, forming a valve which covers the opening of the pharynx or gullet. It is best seen in the Hymenoptera. Also called epiglottis. See cut under Hymenoptera.
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Webster's Revised Unabridged Dictionary
Epi-, + pharynx,


In literature:

Epiglossa: = epipharynx; q.v.
"Explanation of Terms Used in Entomology" by John. B. Smith
The piercing proboscis consists of three long needle-like organs, the epipharynx and mandibles, and a lower lip or labium.
"Insects and Diseases" by Rennie W. Doane