Tanner Beetle vs Clock Ground Beetle

Side-by-side species comparison

Attribute Tanner Beetle Clock Ground Beetle
Scientific Name Prionus coriarius Amara aenea
Order Coleoptera Coleoptera
Family Cerambycidae Carabidae
Size 18-45 mm 6-9 mm
Habitat Woodlands Tundra & Arctic
Diet Root Feeders Seed Feeders
Regions Western Europe, Central Europe, Southern Europe Europe, Asia, Introduced to North America
Conservation Least Concern Least Concern

Tanner Beetle

A large, robust, dark brown longhorn beetle that flies noisily at dusk. Its powerful larvae bore into the roots of deciduous trees for up to four years.

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Did You Know?

Males produce a squeaking sound by rubbing their thorax against their head when handled.

Clock Ground Beetle

A small, bronze-colored ground beetle extremely common across the Palearctic region. It is a mixed feeder consuming both seeds and small invertebrates.

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Did You Know?

Its common name comes from the old English practice of placing beetles on a clock face to tell fortunes.