Adult

Definition

A fully developed and mature stage in the life cycle of an insect or arachnid, typically capable of reproduction.

Etymology

From Latin 'adultus', meaning 'grown up, mature', originating from 'adolescere', meaning 'to grow up'.

Example

The adult butterfly emerged from the chrysalis ready to mate and lay eggs.

Synonyms

• Mature insect
• Imago

Related Terms

• Larva
• Nymph
• Pupa
• Metamorphosis

Usage Notes

In insects and arachnids, the adult stage is often differentiated from their immature stages by fully developed wings (in insects), reproductive organs, and in some cases, more complex behaviors.