Brown Argus vs Scalloped Oak Moth

Side-by-side species comparison

Attribute Brown Argus Scalloped Oak Moth
Scientific Name Aricia agestis Crocallis elinguaria
Order Lepidoptera Lepidoptera
Family Lycaenidae Geometridae
Size 25-31 mm wingspan 37-44 mm wingspan
Habitat Beaches & Coastal Underground
Diet Nectar Feeders Omnivores
Regions Europe, western Asia, North Africa Europe, Western Asia
Conservation Least Concern Least Concern

Brown Argus

A small chocolate-brown butterfly with a row of bright orange crescent-shaped spots around the wing margins. Despite its brown color, it belongs to the blue butterfly subfamily.

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Did You Know?

It has expanded its range northward in Britain in recent decades, likely in response to climate warming.

Scalloped Oak Moth

A warm ochre-yellow moth with a distinctive dark brown band across the forewings. It rests with wings pressed tightly together above its body.

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Did You Know?

Despite its name, the caterpillar feeds on many tree species beyond just oak.