Archaeognatha

Definition

An order of primitive, wingless insects characterized by elongated bodies, three tail-like appendages, and the ability to jump.

Etymology

From Greek 'archaios', meaning 'ancient', and 'gnathos', meaning 'jaw', referring to their ancient jaw structure.

Example

Members of the order Archaeognatha are often found in leaf litter and under stones where they feed on detritus and algae.

Synonyms

• Bristletails
• Microcoryphia

Related Terms

• Thysanura
• Zygentoma
• Apterygota

Usage Notes

Archaeognatha are considered one of the most primitive groups of insects, notable for their unique jumping ability and simple metamorphosis.