Western Stone vs Japanese Giant Stonefly
Side-by-side species comparison
| Attribute | Western Stone | Japanese Giant Stonefly |
|---|---|---|
| Scientific Name | Doroneuria baumanni | Oyamia lugubris |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Perlidae |
| Size | 25-35 mm | 25-35 mm |
| Habitat | Mountains | Mountains |
| Diet | Predators | Predators |
| Regions | North America | Japan |
| 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.
Japanese Giant Stonefly
A large predatory stonefly found in mountainous streams of Japan. Nymphs have powerful mandibles for capturing prey in swift currents.
Did You Know?
It is an indicator of pristine water quality in Japanese mountain streams.