North American Water Scorpion vs Periodical Cicada

Side-by-side species comparison

Attribute North American Water Scorpion Periodical Cicada
Scientific Name Ranatra fusca Magicicada septendecim
Order Hemiptera Hemiptera
Family Nepidae Cicadidae
Size 28-40 mm including siphon 25-33 mm
Habitat Wetlands Woodlands
Diet Herbivores Root Feeders
Regions North America North America
Conservation Least Concern Least Concern

North American Water Scorpion

A stick-like aquatic predator found in ponds and marshes across eastern North America. It walks slowly on submerged vegetation to ambush prey.

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Did You Know?

Despite being fully winged, it rarely flies and prefers to walk along the bottom of shallow ponds.

Periodical Cicada

Emerges in massive synchronized broods every 17 years. Nymphs live underground feeding on tree root sap. Males produce the loudest sounds of any insect at up to 100 dB.

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Did You Know?

Periodical cicadas spend exactly 17 years underground (a prime number), and scientists believe this evolved to prevent predators from synchronizing their own cycles.