Green Stonefly vs Dewy Ringlet

Side-by-side species comparison

Attribute Green Stonefly Dewy Ringlet
Scientific Name Alloperla caudata Erebia pandrose
Order Plecoptera Lepidoptera
Family Chloroperlidae Nymphalidae
Size 8-12 mm 34-42 mm wingspan
Habitat Mountains Mountains
Diet Detritivores Nectar Feeders
Regions North America Europe, Scandinavia, Urals
Conservation Least Concern Least Concern

Green Stonefly

A small bright green stonefly found along clean mountain streams in North America. Despite its small size, it is an important indicator of excellent water quality.

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Did You Know?

The presence of green stoneflies in a stream is considered strong evidence of pristine water quality by aquatic biologists.

Dewy Ringlet

A widespread alpine ringlet with grayish-brown wings and small eyespots. It is found across many mountain ranges from Scandinavia to the Balkans.

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Did You Know?

It is the most widespread alpine ringlet species in Europe.