Jugal lobe

Pronunciation
/JOO-gul lohb/
Category
Anatomy
Singular
Jugal lobe
Plural
Jugal lobes

Definition

A small lobe located at the base of the forewing in some insects, particularly in certain Lepidoptera, playing a role in wing coupling and flight stabilization.

Etymology

From Latin 'jugum' meaning 'yoke' or 'pair' and 'lobus' meaning 'lobe', indicating a structure that pairs or links.

Example

The jugal lobe in many moths helps to couple the forewing and hindwing during flight.

Related Terms

Usage Notes

The presence and functionality of jugal lobes can vary widely among different insect orders and species.