Silvery Blue vs Siam Crown Moth

Side-by-side species comparison

Attribute Silvery Blue Siam Crown Moth
Scientific Name Glaucopsyche lygdamus Attacus taprobanis
Order Lepidoptera Lepidoptera
Family Lycaenidae Saturniidae
Size 22-30 mm wingspan 150-220 mm wingspan
Habitat Meadows Forests
Diet Omnivores Herbivores
Regions North America Southeast Asia (Myanmar, Thailand) and South Asia (Sri Lanka, India)
Conservation Least Concern Least Concern

Silvery Blue

A small silvery-blue butterfly with a neat row of round black spots ringed in white on the grey underside. It is one of the first blue butterflies to emerge in spring.

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Did You Know?

The larvae are frequently attended by ants, which protect them in exchange for sugary honeydew secretions.

Siam Crown Moth

A large silk moth closely related to the Atlas moth with warm cinnamon-brown wings and distinctive angular wing tips. The wing pattern features complex marbling and translucent triangular windows.

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Did You Know?

The translucent wing windows are thought to help confuse predators by allowing the background to show through, breaking up the moth's silhouette.