Winter Stonefly vs Cascades Stonefly

Side-by-side species comparison

Attribute Winter Stonefly Cascades Stonefly
Scientific Name Taeniopteryx burksi Doroneuria theodora
Order Plecoptera Plecoptera
Family Taeniopterygidae Perlidae
Size 8-14 mm 22-30 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Predators
Regions North America North America
Conservation Least Concern Least Concern

Winter Stonefly

A dark-colored stonefly that emerges during winter months when few other aquatic insects are active. Adults can be found walking on snow near streams.

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Did You Know?

Winter stoneflies are among the very few insects that emerge as adults during the coldest months of the year.

Cascades Stonefly

A large predatory stonefly endemic to Cascade Range streams. Nymphs inhabit cold boulder-strewn torrents at moderate elevations.

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Did You Know?

Adults drum their abdomens on streamside surfaces to communicate with potential mates.