Chinese Peacock Swallowtail vs Chalk Hill Blue

Side-by-side species comparison

Attribute Chinese Peacock Swallowtail Chalk Hill Blue
Scientific Name Papilio bianor Polyommatus coridon
Order Lepidoptera Lepidoptera
Family Papilionidae Lycaenidae
Size Wingspan 80-110 mm Wingspan 33-40mm
Habitat Mountains Grasslands
Diet Nectar Feeders Herbivores
Regions China, Japan, Korea, Vietnam Europe
Conservation Least Concern Least Concern

Chinese Peacock Swallowtail

A large swallowtail with dark wings that shimmer with brilliant blue-green iridescence. Its hindwings feature red and blue eyespot markings near the tails.

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Did You Know?

The stunning blue-green iridescence on its wings inspired research into photonic crystal nanostructures.

Chalk Hill Blue

A large blue butterfly with silvery-blue males and brown females. Restricted to chalk and limestone grasslands.

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Did You Know?

Males have an ethereal silvery-blue tone unique among European butterflies, visible in large numbers on chalk hills.