Western Ameletid Mayfly vs Two-spotted Groundhopper

Side-by-side species comparison

Attribute Western Ameletid Mayfly Two-spotted Groundhopper
Scientific Name Ameletus cooki Tetrix bipunctata
Order Ephemeroptera Orthoptera
Family Ameletidae Tetrigidae
Size 8-12 mm 7-10 mm
Habitat Mountains Mountains
Diet Omnivores Omnivores
Regions North America Europe
Conservation Least Concern Least Concern

Western Ameletid Mayfly

A streamlined mayfly found in cold mountain streams of the Pacific Northwest. Nymphs are agile swimmers that dart between cobbles in riffles.

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Did You Know?

Nymphs are strong enough swimmers to move upstream against moderate currents.

Two-spotted Groundhopper

A montane pygmy grasshopper with two pale spots on its pronotum, found in upland rocky habitats across Europe. It favors sparse, stony ground at moderate to high elevations.

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Did You Know?

It is one of the few European grasshoppers found above 2,000 meters elevation, basking on sun-warmed rocks in alpine meadows.