Island Marble Butterfly vs Map Butterfly

Side-by-side species comparison

Attribute Island Marble Butterfly Map Butterfly
Scientific Name Euchloe ausonides insulanus Araschnia levana
Order Lepidoptera Lepidoptera
Family Pieridae Nymphalidae
Size 3-4 cm wingspan 32-40 mm wingspan
Habitat Beaches & Coastal Rivers & Streams
Diet Herbivores Omnivores
Regions United States Europe, temperate Asia
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.

Map Butterfly

A small butterfly that produces two dramatically different seasonal forms within the same year. Spring adults are orange with black spots; summer adults are black with white bands.

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Did You Know?

The seasonal colour change is triggered by day length during the larval stage, not temperature.