Lange's Metalmark Butterfly vs Cranberry Blue

Side-by-side species comparison

Attribute Lange's Metalmark Butterfly Cranberry Blue
Scientific Name Apodemia mormo langei Plebejus optilete
Order Lepidoptera Lepidoptera
Family Riodinidae Lycaenidae
Size 2.5-3.5 cm wingspan 22-28 mm wingspan
Habitat Beaches & Coastal Underground
Diet Herbivores Nectar Feeders
Regions United States Scandinavia, Finland, northern Russia, Siberia, subarctic Japan
Conservation Endangered Least Concern

Lange's Metalmark Butterfly

A small metalmark butterfly found only at Antioch Dunes in California. Its larvae feed exclusively on naked-stemmed buckwheat.

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Did You Know?

It was one of the first insects listed under the U.S. Endangered Species Act in 1976.

Cranberry Blue

A small butterfly with violet-blue upperwings in males and dark brown in females. The hindwing underside has a diagnostic metallic silver spot. It frequents boggy habitats where its larval foodplant cranberry grows.

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Did You Know?

The caterpillar is tended by ants which protect it from parasitoids in exchange for sweet honeydew secretions.