Northern Cave Ground Beetle vs European Ash Bark Beetle

Side-by-side species comparison

Attribute Northern Cave Ground Beetle European Ash Bark Beetle
Scientific Name Pseudanophthalmus menetriesi Hylesinus varius
Order Coleoptera Coleoptera
Family Carabidae Curculionidae (Scolytinae)
Size 4-6 mm 2.5–3.5 mm
Habitat Caves Hedgerows
Diet Predators Wood Feeders
Regions Appalachian region, eastern United States Europe
Conservation Vulnerable Not Evaluated

Northern Cave Ground Beetle

A small, blind, unpigmented cave beetle from the limestone caves of the Appalachian region. The genus contains over 250 species, most known from single cave systems.

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Did You Know?

The genus Pseudanophthalmus contains over 250 described cave beetle species, most from single caves, making it the most species-rich genus of cave animals in the world.

European Ash Bark Beetle

A bark beetle that colonizes ash trees across Europe. It creates star-shaped brood galleries radiating from a central egg chamber.

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Did You Know?

Its distinctive star-shaped gallery pattern makes it one of the easiest bark beetles to identify from feeding traces.