• Webster's Revised Unabridged Dictionary
    • n Tegula (Zoöl) A small appendage situated above the base of the wings of Hymenoptera and attached to the mesonotum.
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Century Dictionary and Cyclopedia
    • n tegula In entomology: A sclerite attached to the lateral border of the mesoscutum and covering the base of the fore wing, as in hymenopterous insects. (See pterygoda and operculum .) A similar formation of lepidopterous insects is known as the patagium, scapula, or shoulder-tippet.
    • n tegula A little membrane covering the metathoracic spiracle of dipterous insects: also called squama, prchalter, and covering-scale.
    • ***


Webster's Revised Unabridged Dictionary
L., a tile, dim. fr. tegere, to cover


In literature:

Thorax: the wings hyaline and splendidly iridescent, the tegulae and the tarsi rufo-testaceous.
"Journal of the Proceedings of the Linnean Society - Vol. 3" by Various
Aileron: the scale covering the base of primaries in some insects; see tegulae in Diptera = alula and squama, q.v.
"Explanation of Terms Used in Entomology" by John. B. Smith
On the misuse of the terms parapteron, hypopteron, tegula, squamula, patagium and scapula.
"Handbook of Medical Entomology" by William Albert Riley
The pronotum reaches back to the tegulae.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2" by Various