Amazonian Water Scorpion vs Cicada Assassin Bug

Side-by-side species comparison

Attribute Amazonian Water Scorpion Cicada Assassin Bug
Scientific Name Ranatra spp. Pselliopus barberi
Order Hemiptera Hemiptera
Family Nepidae Reduviidae
Size 30-50 mm including siphon 15-20 mm
Habitat Ponds & Lakes Woodlands
Diet Predators Predators
Regions Throughout South America North America
Conservation Least Concern Least Concern

Amazonian Water Scorpion

A stick-like aquatic bug with an extremely elongated body and long breathing siphon at the rear. It hangs motionless near the surface, ambushing passing prey.

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Did You Know?

Despite the common name, it is not a scorpion at all and is completely harmless to humans though it can deliver a mild prick.

Cicada Assassin Bug

A colorful orange and black assassin bug that specializes in hunting cicadas. It uses its powerful raptorial forelegs and venomous bite to subdue large prey.

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Did You Know?

It detects cicada prey primarily through the vibrations cicadas produce when calling for mates.