Island Marble Butterfly vs Green Carpet Moth

Side-by-side species comparison

Attribute Island Marble Butterfly Green Carpet Moth
Scientific Name Euchloe ausonides insulanus Colostygia pectinataria
Order Lepidoptera Lepidoptera
Family Pieridae Geometridae
Size 3-4 cm wingspan 25-30 mm wingspan
Habitat Beaches & Coastal Hedgerows
Diet Herbivores Omnivores
Regions United States Europe
Conservation Endangered Least Concern

Island Marble Butterfly

A small white butterfly with green marbled undersides found only on San Juan Island, Washington. It was presumed extinct for 90 years before rediscovery in 1998.

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Did You Know?

When rediscovered, it was initially mistaken for the common Sara orangetip butterfly.

Green Carpet Moth

A small moth with bright green forewings crossed by darker green bands. The green color fades to yellowish in older or worn specimens.

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Did You Know?

It is one of the few European moths that appears truly green rather than relying on structural coloration.