Boll's Wood Cockroach vs European Ash Bark Beetle

Side-by-side species comparison

Attribute Boll's Wood Cockroach European Ash Bark Beetle
Scientific Name Parcoblatta bolliana Hylesinus varius
Order Blattodea Coleoptera
Family Ectobiidae Curculionidae (Scolytinae)
Size 12-16 mm 2.5–3.5 mm
Habitat Woodlands Hedgerows
Diet Wood Feeders Wood Feeders
Regions Texas and the south-central United States Europe
Conservation Not Evaluated Not Evaluated

Boll's Wood Cockroach

A small native wood cockroach from the south-central United States. It lives under bark and in rotting logs in wooded areas.

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Did You Know?

It was named after the naturalist Jacob Boll, a Swiss-American who collected insects in Texas in the 1870s.

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.