Western Cedar Borer vs Black Forest Ground Beetle

Side-by-side species comparison

Attribute Western Cedar Borer Black Forest Ground Beetle
Scientific Name Trachykele blondeli Pterostichus niger
Order Coleoptera Coleoptera
Family Buprestidae Carabidae
Size 15-25 mm 16–24 mm
Habitat Forests Woodlands
Diet Wood Feeders Omnivores
Regions Western North America Europe, Northern Asia
Conservation Least Concern Least Concern

Western Cedar Borer

A large, dark metallic jewel beetle that develops in western red cedar. Larvae create distinctive oval exit holes in timber.

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Did You Know?

Their development can take over a decade in dry seasoned wood, making them among the slowest-developing beetles.

Black Forest Ground Beetle

A large jet-black ground beetle common in European forests and damp woodlands. It is one of the largest Pterostichus species in its range.

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Did You Know?

Despite being flightless, it can cover surprisingly large distances on foot during its nightly foraging walks.