Winter Stonefly vs Western Stone

Side-by-side species comparison

Attribute Winter Stonefly Western Stone
Scientific Name Taeniopteryx burksi Doroneuria baumanni
Order Plecoptera Plecoptera
Family Taeniopterygidae Perlidae
Size 8-14 mm 25-35 mm
Habitat Rivers & Streams Mountains
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.

Western Stone

A large predatory stonefly of Pacific Northwest mountain streams. Nymphs have distinctive patterned heads and powerful mandibles.

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Did You Know?

Nymphs take up to three years to complete development in cold mountain streams.