Lunule

Definition

A small, crescent-shaped marking often found on the wings or bodies of certain insects, including butterflies and beetles.

Etymology

Derived from Latin 'lunula', meaning 'little moon', a diminutive form of 'luna', meaning 'moon'.

Example

The lunule of the Garden Tiger Moth is a conspicuous white crescent on its forewings.

Synonyms

• Crescent marking

Related Terms

• Markings
• Wing patterns
• Coloration

Usage Notes

Lunules are often used in species identification and can be important for camouflage or signaling.