from The Century Dictionary.
- noun 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.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) A structure which overlaps the mouth of certain insects.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun zoology A
structurethat overlapsthe mouthin certain insects.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Operculum: a lid or covering: in Diptera, the chitinous envelope covering the lower part of the muscid mouth; the labrum-epipharynx of Dimmock: the scutes covering the meso-thoracic stigmata: in
Epipharyngeal sclerites: in bees; a pair of strap-like pieces extending backward from the two sides of the base of epipharynx: see hypopharyngeal sclerites.
When the flea is feeding, the epipharynx and mandibles are thrust into the skin of the victim, the labium serving as a guide.
Glossarium: Diptera; the labrum-epipharynx; q.v. Glossata: a Fabrician term for Lepidoptera.
Labrum-epipharynx: in the mouth of piercing Diptera is the central unpaired lancet.
Epipharyngeal: belonging or relating to the epipharynx.
The piercing proboscis consists of three long needle-like organs, the epipharynx and mandibles, and a lower lip or labium.
The uppermost of these, the labrum-epipharynx, or labrum as we will call it, is the largest and is really a hollow tube very slightly open on its under side.
Epiglossa: = epipharynx; q.v. Epiglottis: = epipharynx; q.v. Epilabrum: a sclerite at each side of the labrum: specifically applied in myriapods.
The epipharynx acts like a needle on the flea's mouth.