nervure

That part of the wing lying between the anterior margin and the post-costal nervure.
An Introduction to Entomology: Vol. III (of 4)|William Kirby
A joint in the costal nervure of the wings of Coleoptera, where they bend to take a transverse fold.
An Introduction to Entomology: Vol. III (of 4)|William Kirby
The black shading along the median nervure is sometimes very conspicuous.
The Moths of the British Isles, First Series|Richard South
Strictly speaking, the wings of the males of this group should, according to its name, present only a single nervure.
An Account of the Insects Noxious to Agriculture and Plants in New Zealand|W. M. Maskell

The other wing consists of a rigid nervure in front and behind of thin parchment which supports fine rods of steel.
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5|Various

British Dictionary definitions for nervure

nervure

/ (ˈnɜːvjʊə) /

noun

entomol any of the stiff chitinous rods that form the supporting framework of an insect's wing; vein

botany any of the veins or ribs of a leaf

Word Origin for nervure

C19: from French; see nerve, -ure

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