Brown Argus vs Japanese Luehdorfia

Side-by-side species comparison

Attribute Brown Argus Japanese Luehdorfia
Scientific Name Aricia agestis Luehdorfia japonica
Order Lepidoptera Lepidoptera
Family Lycaenidae Papilionidae
Size 25-31 mm wingspan 45-55 mm wingspan
Habitat Beaches & Coastal Woodlands
Diet Nectar Feeders Herbivores
Regions Europe, western Asia, North Africa Japan (Honshu)
Conservation Least Concern Near Threatened

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.

Japanese Luehdorfia

A rare spring-flying swallowtail butterfly endemic to Japan. Named 'spring goddess' in Japanese. Has declined severely due to habitat loss and deer browsing on its food plants.

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Did You Know?

Called 'gifu-cho' (Gifu butterfly) in Japanese and considered a symbol of spring in Japanese culture.