Violet Copper vs Mammoth Cave Beetle

Side-by-side species comparison

Attribute Violet Copper Mammoth Cave Beetle
Scientific Name Lycaena helle Xenotrechus condei
Order Lepidoptera Coleoptera
Family Lycaenidae Carabidae
Size 24-30 mm wingspan 5-7 mm
Habitat Rivers & Streams Caves
Diet Omnivores Omnivores
Regions Northern and central Europe, Siberia United States
Conservation Near Threatened Endangered

Violet Copper

A tiny butterfly whose males display a vivid violet-purple sheen over coppery-orange wings. It is one of Europe's rarest and most localised coppers.

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Did You Know?

It is so rare in western Europe that individual colonies receive specific conservation management plans.

Mammoth Cave Beetle

A rare troglobitic ground beetle known from caves in the Ozark region of Missouri. It is eyeless with greatly elongated appendages.

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Did You Know?

It was not discovered until 1987, despite extensive surveys of Missouri caves.