Wheel Bug vs Black Corsair

Side-by-side species comparison

Attribute Wheel Bug Black Corsair
Scientific Name Arilus cristatus Melanolestes picipes
Order Hemiptera Hemiptera
Family Reduviidae Reduviidae
Size 28-36 mm 15-20 mm
Habitat Orchards Woodlands
Diet Omnivores Omnivores
Regions North America North America
Conservation Least Concern Least Concern

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.

Black Corsair

A shiny black, robust assassin bug found across North America. It is nocturnal and commonly attracted to lights near buildings. It can deliver one of the most painful bites of any North American insect if handled carelessly.

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Did You Know?

The bite is described as more painful than a wasp sting, causing immediate sharp pain followed by numbness that can last for days, though it is not medically dangerous.