Rolled-Wing Stonefly vs Appalachian Springfly

Side-by-side species comparison

Attribute Rolled-Wing Stonefly Appalachian Springfly
Scientific Name Leuctra geniculata Remenus bilobatus
Order Plecoptera Plecoptera
Family Leuctridae Perlodidae
Size 7-12 mm 8-12 mm
Habitat Rivers & Streams Rivers & Streams
Diet Herbivores Predators
Regions Europe North America
Conservation Least Concern Vulnerable

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.

Appalachian Springfly

A rare springfly restricted to a few clean Appalachian headwater streams. Nymphs are predatory on small invertebrates among gravel substrates.

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Did You Know?

Its extremely limited range makes it one of the rarest stonefly species in North America.