Green Stonefly vs Rolled-Wing Stonefly

Side-by-side species comparison

Attribute Green Stonefly Rolled-Wing Stonefly
Scientific Name Alloperla caudata Leuctra geniculata
Order Plecoptera Plecoptera
Family Chloroperlidae Leuctridae
Size 8-12 mm 7-12 mm
Habitat Mountains Rivers & Streams
Diet Detritivores Herbivores
Regions North America Europe
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.

Rolled-Wing Stonefly

A small autumn-emerging stonefly with wings rolled around the body. It is one of the few stoneflies that hatches in late summer and autumn.

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Did You Know?

This stonefly has an unusual life cycle, emerging as an adult in autumn rather than the spring emergence typical of most stonefly species.