Helvetian Ground Beetle vs Wheel Bug

Side-by-side species comparison

Attribute Helvetian Ground Beetle Wheel Bug
Scientific Name Oreonebria castanea Arilus cristatus
Order Coleoptera Hemiptera
Family Carabidae Reduviidae
Size 8-11 mm 28-36 mm
Habitat Mountains Orchards
Diet Omnivores Omnivores
Regions Alps, Pyrenees North America
Conservation Least Concern Least Concern

Helvetian Ground Beetle

A cold-adapted ground beetle of high-altitude scree and moraines. It is active during short alpine summers near snowmelt areas.

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Did You Know?

It can remain active at temperatures just above freezing.

Wheel Bug

The largest assassin bug in North America, named for the distinctive cogwheel-shaped crest on its thorax. It delivers an extremely painful bite if handled.

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Did You Know?

Its bite injects cytolytic venom that dissolves tissue, producing pain reported to be worse than a wasp sting lasting for days.