Nasus

Definition

A projection or elongated structure on the head of an insect, particularly seen in termites; however, it is not associated with flies or the family Tephridae.

Etymology

Latin *nasus*, meaning 'nose', used in entomology to describe a nose-like projection.

Example

The soldier termite's nasus is used to eject a defensive chemical.

Related Terms

• Termites
• Morphology
• Defense