Common Aleocharine vs Jewel Ground Beetle

Side-by-side species comparison

Attribute Common Aleocharine Jewel Ground Beetle
Scientific Name Atheta coriaria Carabus auronitens
Order Coleoptera Coleoptera
Family Staphylinidae Carabidae
Size 3-4 mm 22-30 mm
Habitat Underground Forests
Diet Predators Omnivores
Regions Holarctic, now distributed globally through commercial biocontrol Central Europe, Western Europe
Conservation Least Concern Least Concern

Common Aleocharine

A tiny, dark brown aleocharine rove beetle now commercially sold as a biological control agent. It is an aggressive predator of fungus gnat larvae, thrips, and shore fly larvae in greenhouses.

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Did You Know?

This beetle is sold commercially by biocontrol companies and released by the thousands in greenhouses to control fungus gnats organically.

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.