Arista

Pronunciation: /uh-RIS-tuh/

Category: Anatomy

Singular: Arista

Plural: Aristae

Definition

A bristle-like structure located on the antennae of certain insects, such as flies, that aids in sensory perception.

Etymology

From Latin 'arista', meaning 'beard of grain' or 'awn'.

Example

The arista on the antennae of a housefly helps it sense movements and navigate its environment.

Synonyms

Bristle
Antenna bristle

Related Terms

Antennae
Sensory organs
Insects
Diptera

Usage Notes

The arista is a crucial part of the insect's sensory system, particularly in dipteran flies. It can vary in length and thickness among different species.