Antennal fossa

Pronunciation
/an-ten-nuhl fos-ah/
Category
Anatomy
Singular
Antennal fossa
Plural
Antennal fossae

Definition

A depression or shallow groove located on the head of an insect, where the antennae are inserted.

Etymology

From Latin 'antenna', meaning 'sail yard' or 'feeler', and 'fossa', meaning 'ditch' or 'trench'.

Example

The antennal fossa is clearly visible in many insect species, such as flies and beetles.

Related Terms

Usage Notes

The shape and depth of the antennal fossa can vary between insect groups.