Amateur
Entomologists'
Society

Jugum

The Jugum is an area at the base of the fore wing of some insects that overlaps the hind wing. The jugum holds the fore and hind wings together during flight.

Some species of butterfly, moths and caddisflies possess a jugum on the fore wing.

An illustration of the general structure of an insect wing.

An illustration of the general structure of an insect wing showing the Jugum.

Other names for (or types of) Jugum include:

Related terms

Related groups of terms

Related pages on this web site

See other words beginning with J

Browse terms by A-Z

Back to Glossary

If you have found this glossary useful please consider supporting the Amateur Entomologists' Society by becoming a member or making a donation.