Lesser Emperor vs Wheel Bug

Side-by-side species comparison

Attribute Lesser Emperor Wheel Bug
Scientific Name Anax parthenope Arilus cristatus
Order Odonata Hemiptera
Family Aeshnidae Reduviidae
Size 62-75 mm body length 28-36 mm
Habitat Ponds & Lakes Orchards
Diet Omnivores Omnivores
Regions Southern Europe, Central Europe, Western Europe North America
Conservation Least Concern Least Concern

Lesser Emperor

A large dragonfly with a brownish thorax and distinctive blue saddle at the base of its abdomen. It is a strong migrant expanding northward through Europe.

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Did You Know?

Females lay eggs while flying in tandem with the male over open water.

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.