Karner Blue vs Balkan Goldenring

Side-by-side species comparison

Attribute Karner Blue Balkan Goldenring
Scientific Name Plebejus samuelis Cordulegaster heros
Order Lepidoptera Odonata
Family Lycaenidae Cordulegastridae
Size 22-28 mm wingspan 85-97 mm
Habitat Deserts & Drylands Forests
Diet Omnivores Omnivores
Regions Great Lakes and northeastern United States Europe
Conservation Endangered Near Threatened

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.

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Did You Know?

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

Balkan Goldenring

The largest dragonfly in Europe, reaching nearly 100 mm in length. It is restricted to clean forest streams in southeastern Europe.

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Did You Know?

At nearly 100 mm, it holds the record as the largest dragonfly species in Europe.