Karner Blue vs Goat Moth

Side-by-side species comparison

Attribute Karner Blue Goat Moth
Scientific Name Plebejus samuelis Cossus cossus
Order Lepidoptera Lepidoptera
Family Lycaenidae Cossidae
Size 22-28 mm wingspan 68-96 mm wingspan
Habitat Deserts & Drylands Woodlands
Diet Omnivores Wood Feeders
Regions Great Lakes and northeastern United States Europe, Asia, Africa
Conservation Endangered Least Concern

Karner Blue

A tiny bright blue butterfly with orange crescents on the hindwing underside that depends entirely on wild lupine. It is a federally endangered species in the United States.

💡

Did You Know?

It was first described by novelist Vladimir Nabokov, who was also a serious lepidopterist at Harvard's Museum of Comparative Zoology.

Goat Moth

A large moth whose caterpillars bore deep into hardwood trees for up to four years.

💡

Did You Know?

Larvae emit a strong goat-like odor from which the moth gets its name.