Round-necked Longhorn vs Tuxen's Acerentomid

Side-by-side species comparison

Attribute Round-necked Longhorn Tuxen's Acerentomid
Scientific Name Neoclytus acuminatus Acerentulus confinis
Order Coleoptera Protura
Family Cerambycidae Acerentomidae
Size 8-18 mm 0.8-1.3 mm
Habitat Woodlands Woodlands
Diet Wood Feeders Omnivores
Regions Eastern North America; invasive in Europe Europe
Conservation Least Concern Not Evaluated

Round-necked Longhorn

A reddish-brown cerambycid with narrow yellowish crossbands on the elytra, native to eastern North America but now invasive in parts of Europe. It breeds in freshly dead hardwood and is frequently found in stored firewood.

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Did You Know?

This beetle has spread to Europe through the timber trade and is now established in parts of Italy and the Balkans.

Tuxen's Acerentomid

A widespread European proturan found in a variety of soil habitats. It is commonly encountered in temperate deciduous forest litter.

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Did You Know?

Most proturan species are described from fewer than ten specimens due to the difficulty of finding these tiny animals.