Cerci

Definition

Paired appendages on the rear-most segments of many arthropods, including insects, which often serve sensory functions or assist in reproduction.

Etymology

Derived from the Greek word 'kerkos', meaning 'tail'.

Example

The cerci on a cricket are used to detect vibrations and changes in the air, which helps them escape from predators.

Synonyms

• Tail appendages

Related Terms

• Antennae
• Sensory organs
• Abdomen

Usage Notes

Cerci can vary greatly in form and function among different species; in some insects, they are used for defense or prey capture.