North American Water Scorpion vs Western Harvester Ant

Side-by-side species comparison

Attribute North American Water Scorpion Western Harvester Ant
Scientific Name Ranatra fusca Pogonomyrmex occidentalis
Order Hemiptera Hymenoptera
Family Nepidae Formicidae
Size 28-40 mm including siphon 6-10 mm
Habitat Wetlands Grasslands
Diet Herbivores Herbivores
Regions North America Western United States and southwestern Canada
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.

Western Harvester Ant

A large red ant that constructs conspicuous gravel-topped mound nests in western grasslands. It clears all vegetation from a wide circle around its nest entrance.

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Did You Know?

Its sting is one of the most painful among North American ants and has been rated highly on the Schmidt pain index.