Elytra

Definition

The hardened forewings of beetles and some other insects, which cover and protect the delicate hind wings used for flight.

Etymology

From Greek 'elytron', meaning 'sheath' or 'covering'.

Example

The elytra of a ladybug are often brightly colored with distinctive spots.

Synonyms

• Wing covers
• Sheath wings

Related Terms

• Beetles
• Wings
• Forewings
• Hind wings
• Flight

Usage Notes

Elytra are a distinctive feature of beetles, distinguishing them from other insect orders. They are not involved in flight but serve to protect the functional hind wings and the dorsal side of the abdomen.