Broad-Horned Flour Beetle Mimic Stag vs Japanese Horntail

Side-by-side species comparison

Attribute	Broad-Horned Flour Beetle Mimic Stag	Japanese Horntail
Scientific Name	Figulus sublaevis	Eriotremex formosanus
Order	Coleoptera	Hymenoptera
Family	Lucanidae	Siricidae
Size	10-16 mm	20-35 mm
Habitat	Woodlands	Woodlands
Diet	Wood Feeders	Wood Feeders
Regions	Africa, Madagascar	East Asia, Taiwan, introduced to southeastern United States
Conservation	Least Concern	Least Concern

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.

Japanese Horntail

A large wood wasp with a robust reddish-brown body and dark wings. Native to East Asia, it attacks stressed and recently felled hardwood trees.

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Did You Know?

This species was first detected in North America in 1974 and is one of the few tropical siricid wood wasps to establish invasive populations.