Rolled-Wing Stonefly vs Oak Processionary Moth

Side-by-side species comparison

Attribute Rolled-Wing Stonefly Oak Processionary Moth
Scientific Name Leuctra geniculata Thaumetopoea processionea
Order Plecoptera Lepidoptera
Family Leuctridae Notodontidae
Size 7-12 mm 25-35 mm wingspan
Habitat Rivers & Streams Woodlands
Diet Herbivores Herbivores
Regions Europe Europe
Conservation Least Concern Least Concern

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.

Oak Processionary Moth

A moth whose caterpillars march nose-to-tail in long processions along tree branches.

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Did You Know?

Its caterpillar hairs cause severe allergic reactions and rashes in humans.