Wheel Bug vs Eastern Bat Bug

Side-by-side species comparison

Attribute Wheel Bug Eastern Bat Bug
Scientific Name Arilus cristatus Cimex adjunctus
Order Hemiptera Hemiptera
Family Reduviidae Cimicidae
Size 28-36 mm 4-5 mm
Habitat Orchards Gardens
Diet Omnivores Blood Feeders
Regions North America Eastern 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.

Eastern Bat Bug

A blood-feeding ectoparasite primarily of bats in eastern North America. It can bite humans when bat colonies are removed from buildings.

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Did You Know?

It is nearly indistinguishable from the common bed bug and requires microscopic examination to tell apart.