a small branch of a nerve in the wing of an insect.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use nervule in a sentence
There is also a slight projection at the extremity of the first median nervule.
The hind wing is tailed at the end of the third median nervule.
On the edge of the first median nervule of the male, about its middle, there is a scent-pouch covered with scales.
The costal nervule invariably terminates at the external angle of this wing.
The outer margin is black, with the fringes pale fulvous, checkered with black at the end of each nervule.