Large Elm Bark Beetle vs Blue Margined Ground Beetle

Side-by-side species comparison

Attribute Large Elm Bark Beetle Blue Margined Ground Beetle
Scientific Name Scolytus scolytus Chlaenius impunctifrons
Order Coleoptera Coleoptera
Family Curculionidae (Scolytinae) Carabidae
Size 3.5–6 mm 12-15 mm
Habitat Hedgerows Wetlands
Diet Fungus Feeders Predators
Regions Europe, Western Asia Eastern and central North America
Conservation Not Evaluated Least Concern

Large Elm Bark Beetle

The principal vector of Dutch elm disease in Europe. Adults feed in twig crotches of healthy elms, transmitting the deadly fungus.

💡

Did You Know?

It was responsible for the near-total loss of mature English elms across the United Kingdom in the 1970s.

Blue Margined Ground Beetle

A brilliantly colored ground beetle with bright metallic blue-green elytra and a velvety texture from fine pubescence. It is found near wetland habitats across North America.

💡

Did You Know?

Its defensive secretions have been analyzed and found to contain complex chemicals that not only repel predators but also have antimicrobial properties.