Round-necked Longhorn vs Broad-Horned Flour Beetle Mimic Stag

Side-by-side species comparison

Attribute	Round-necked Longhorn	Broad-Horned Flour Beetle Mimic Stag
Scientific Name	Neoclytus acuminatus	Figulus sublaevis
Order	Coleoptera	Coleoptera
Family	Cerambycidae	Lucanidae
Size	8-18 mm	10-16 mm
Habitat	Woodlands	Woodlands
Diet	Wood Feeders	Wood Feeders
Regions	Eastern North America; invasive in Europe	Africa, Madagascar
Conservation	Least Concern	Least Concern

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.

Broad-Horned Flour Beetle Mimic Stag

A small, elongate, dark brown to black stag beetle with reduced mandibles that resembles a darkling beetle. It is commonly found in small-diameter dead branches. Larvae develop communally in decaying wood.

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Did You Know?

This tiny stag beetle is so unlike typical stag beetles that it was originally placed in a different family.