European Ash Bark Beetle vs Elm Bark Beetle

Side-by-side species comparison

Attribute European Ash Bark Beetle Elm Bark Beetle
Scientific Name Hylesinus varius Scolytus multistriatus
Order Coleoptera Coleoptera
Family Curculionidae (Scolytinae) Curculionidae (Scolytinae)
Size 2.5–3.5 mm 2–3.5 mm
Habitat Hedgerows Woodlands
Diet Wood Feeders Wood Feeders
Regions Europe Europe, North America
Conservation Not Evaluated Not Evaluated

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.

Elm Bark Beetle

A small bark beetle that is the primary vector of Dutch elm disease in North America. It creates distinctive brood galleries under elm bark.

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Did You Know?

It spreads the fungus Ophiostoma novo-ulmi, which has wiped out millions of elm trees worldwide.