Flat Oak Borer vs Woodland Acerentomid

Side-by-side species comparison

Attribute Flat Oak Borer Woodland Acerentomid
Scientific Name Smodicum cucujiforme Acerentomon maius
Order Coleoptera Protura
Family Cerambycidae Acerentomidae
Size 7-12 mm 1.2-2.0 mm
Habitat Woodlands Woodlands
Diet Wood Feeders Omnivores
Regions Eastern North America Europe
Conservation Least Concern Not Evaluated

Flat Oak Borer

An unusually flat, reddish-brown cerambycid that breeds under the bark of dead oaks in North America. Its flattened body allows it to navigate the tight spaces between bark and sapwood. Adults are nocturnal and attracted to lights.

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Did You Know?

Its body is so flat that it was originally described as a member of Cucujidae, the flat bark beetle family.

Woodland Acerentomid

A relatively large proturan found in deciduous forest soils of central Europe. It is among the better-studied acerentomid species.

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Did You Know?

Research suggests this species feeds specifically on mycorrhizal fungi, making it dependent on healthy forest root systems.