Freyer's Purple Emperor vs Scotch Argus

Side-by-side species comparison

Attribute Freyer's Purple Emperor Scotch Argus
Scientific Name Apatura metis Erebia aethiops
Order Lepidoptera Lepidoptera
Family Nymphalidae Nymphalidae
Size 60-70 mm wingspan 40-48 mm wingspan
Habitat Rivers & Streams Woodlands
Diet Dung Feeders Omnivores
Regions Southeastern Europe, Central Asia, China Europe, temperate Asia
Conservation Least Concern (globally); rare and declining in Eu Least Concern

Freyer's Purple Emperor

A large, powerful butterfly closely related to the purple emperor but restricted to river valleys. Males display a brilliant purple-blue iridescence on the upper wing surface.

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Did You Know?

Males patrol narrow sections of riverbank at high speed, chasing away all other large insects.

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.