Nordic Dor Beetle vs Twolined Chestnut Borer

Side-by-side species comparison

Attribute Nordic Dor Beetle Twolined Chestnut Borer
Scientific Name Geotrupes stercorarius Agrilus bilineatus
Order Coleoptera Coleoptera
Family Geotrupidae Buprestidae
Size 12-20 mm 5–12 mm
Habitat Farmland Woodlands
Diet Dung Feeders Sap Feeders
Regions Scandinavia, Finland, northern Russia, Scotland, subarctic Europe Eastern North America
Conservation Least Concern Not Evaluated

Nordic Dor Beetle

A large, rounded, metallic blue-black dung beetle with ridged elytra. Adults dig deep burrows beneath animal dung for egg-laying. They are strong fliers and are often attracted to fresh dung of reindeer and livestock.

💡

Did You Know?

These beetles can bury an entire cow pat overnight, providing essential nutrient recycling services in northern grasslands.

Twolined Chestnut Borer

A jewel beetle that attacks stressed oaks and chestnuts in eastern North America. It is named for two pale stripes running along its wing covers.

💡

Did You Know?

Drought-stressed oaks are highly susceptible, and repeated attacks over two to three years can kill large trees.