Western Stone vs Springfly
Side-by-side species comparison
| Attribute | Western Stone | Springfly |
|---|---|---|
| Scientific Name | Doroneuria baumanni | Isoperla signata |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Perlodidae |
| Size | 25-35 mm | 9-13 mm |
| Habitat | Mountains | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Western Stone
A large predatory stonefly of Pacific Northwest mountain streams. Nymphs have distinctive patterned heads and powerful mandibles.
Did You Know?
Nymphs take up to three years to complete development in cold mountain streams.
Springfly
A spring-emerging stonefly of fast-flowing European streams. Nymphs are active hunters that pursue prey among streambed gravels.
Did You Know?
Males locate females by producing species-specific vibrations that travel through the substrate.