Psephenidae

Definition

A family of water beetles known as water-penny beetles, with larvae that are aquatic and adhere to rocks in flowing water.

Etymology

From Greek 'psephos', meaning 'pebble', reflecting the appearance of the larvae.

Example

Psephenidae larvae are commonly found clinging to submerged rocks in streams and rivers.

Related Terms

• Coleoptera
• Byrrhoidea

Usage Notes

Psephenidae are more commonly referred to as water-penny beetles due to the shape and behavior of their larvae.