Scotch Argus vs Common Bagworm Moth

Side-by-side species comparison

Attribute Scotch Argus Common Bagworm Moth
Scientific Name Erebia aethiops Psyche casta
Order Lepidoptera Lepidoptera
Family Nymphalidae Psychidae
Size 40-48 mm wingspan Males 12-15 mm wingspan; females wingless
Habitat Woodlands Underground
Diet Omnivores Wood Feeders
Regions Europe, temperate Asia Europe
Conservation Least Concern Least Concern

Scotch Argus

A dark brown butterfly with russet-orange bands containing eyespots, found in northern grasslands and light woodland. It flies in a bouncing manner close to the ground.

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Did You Know?

In Britain, it is confined to Scotland and a single colony in the Lake District surviving since the last ice age.

Common Bagworm Moth

A small moth whose larva builds a distinctive portable bag from silk and plant debris that it carries everywhere. Adult females are wingless and never leave their larval bag.

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Did You Know?

The wingless female mates, lays eggs, and dies entirely within the bag she built as a caterpillar.