Island Marble Butterfly vs Scarce Swallowtail

Side-by-side species comparison

Attribute Island Marble Butterfly Scarce Swallowtail
Scientific Name Euchloe ausonides insulanus Iphiclides podalirius
Order Lepidoptera Lepidoptera
Family Pieridae Papilionidae
Size 3-4 cm wingspan Wingspan 64-84mm
Habitat Beaches & Coastal Heathland
Diet Herbivores Herbivores
Regions United States Europe, 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.

Scarce Swallowtail

A pale yellow swallowtail butterfly with bold black tiger stripes and long tailed hindwings tipped with blue. It soars elegantly on updrafts.

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Did You Know?

Males gather in large numbers at hilltops in a behavior called hilltopping to increase their chances of finding mates.