Fir Longhorn vs Tanbark Borer

Side-by-side species comparison

Attribute Fir Longhorn Tanbark Borer
Scientific Name Tetropium gabrieli Phymatodes testaceus
Order Coleoptera Coleoptera
Family Cerambycidae Cerambycidae
Size 9-15 mm 8-17 mm
Habitat Mountains Woodlands
Diet Wood Feeders Wood Feeders
Regions Central and Southern Europe (Alps, Carpathians, Balkans) Europe, North Africa, introduced to North America
Conservation Least Concern Least Concern

Fir Longhorn

A small brown spondylidine beetle that specializes on fir trees across European mountain ranges. It is similar to T. castaneum but is restricted to Abies. Larvae develop under bark of weakened or dead silver fir.

💡

Did You Know?

This species is considered an indicator of healthy montane fir forest ecosystems.

Tanbark Borer

A small, highly variable cerambycid ranging from pale yellow to dark brown or violet. It breeds under the bark of recently dead oaks across Europe and North America. Adults are nocturnal and come freely to lights.

💡

Did You Know?

Color variation in this species is so extreme that over a dozen color forms have been named, all belonging to one species.