Brown Argus vs Common Blue Butterfly

Side-by-side species comparison

Attribute Brown Argus Common Blue Butterfly
Scientific Name Aricia agestis Polyommatus icarus
Order Lepidoptera Lepidoptera
Family Lycaenidae Lycaenidae
Size 25-31 mm wingspan 28-36 mm wingspan
Habitat Beaches & Coastal Grasslands
Diet Nectar Feeders Nectar Feeders
Regions Europe, western Asia, North Africa Europe, North Africa, 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.

Common Blue Butterfly

A small butterfly where males are vivid violet-blue and females are brown with orange spots. It is the most widespread blue butterfly in Europe.

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Did You Know?

Its caterpillars secrete a sweet honeydew that attracts ants, which in turn protect them from predators.