Island Marble Butterfly vs Rose Sawfly

Side-by-side species comparison

Attribute Island Marble Butterfly Rose Sawfly
Scientific Name Euchloe ausonides insulanus Arge ochropus
Order Lepidoptera Hymenoptera
Family Pieridae Argidae
Size 3-4 cm wingspan 7-10 mm
Habitat Beaches & Coastal Gardens
Diet Herbivores Herbivores
Regions United States Europe, Western 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.

Rose Sawfly

A yellow and black sawfly whose larvae skeletonize rose leaves. Adults are commonly found on rose bushes in gardens throughout Europe.

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Did You Know?

Its larvae curl into an S-shape and drop off leaves when disturbed as an escape strategy.