Western Stone vs Yellow Stonefly
Side-by-side species comparison
| Attribute | Western Stone | Yellow Stonefly |
|---|---|---|
| Scientific Name | Doroneuria baumanni | Isoperla dicala |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Perlodidae |
| Size | 25-35 mm | 9-13 mm |
| Habitat | Mountains | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | North America | North America |
| 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.
Yellow Stonefly
A bright yellow springfly found in clean Appalachian streams. Nymphs are predatory on small invertebrates in gravel substrates.
Did You Know?
Males produce vibrational signals by rubbing their abdomen against the substrate, audible through special sensors.