Large Blue vs Jewel Ground Beetle

Side-by-side species comparison

Attribute Large Blue Jewel Ground Beetle
Scientific Name Phengaris arion Carabus auronitens
Order Lepidoptera Coleoptera
Family Lycaenidae Carabidae
Size 38-52 mm wingspan 22-30 mm
Habitat Grasslands Forests
Diet Omnivores Omnivores
Regions Europe, temperate Asia Central Europe, Western Europe
Conservation Near Threatened Least Concern

Large Blue

A blue butterfly with distinctive black spots that has one of the most complex life cycles in the insect world. It was declared extinct in Britain in 1979 but has been successfully reintroduced.

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Did You Know?

Caterpillars trick ants into carrying them into their nests, where they feed on ant larvae for ten months.

Jewel Ground Beetle

A strikingly beautiful ground beetle with bright gold and green metallic coloring. It inhabits mountain forests across central Europe.

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Did You Know?

Its brilliant golden color comes from microscopic surface structures that diffract light rather than from pigments.