Pulvilli

Definition

Small, pad-like structures located at the base of the claws on the legs of many insects, often aiding in adhesion to surfaces.

Etymology

From Latin 'pulvillus', meaning 'little cushion'.

Example

The housefly uses its pulvilli to walk upside down on ceilings.

Synonyms

• Adhesive pads

Related Terms

• Claws
• Tarsus
• Setae

Usage Notes

Pulvilli are commonly found in various insects, including Diptera (flies) and Hemiptera (true bugs), and contain adhesive hairs or structures that help the insect cling to surfaces.