Western Glacier Stonefly vs Cascades Stonefly
Side-by-side species comparison
| Attribute | Western Glacier Stonefly | Cascades Stonefly |
|---|---|---|
| Scientific Name | Zapada glacier | Doroneuria theodora |
| Order | Plecoptera | Plecoptera |
| Family | Nemouridae | Perlidae |
| Size | 5-8 mm body length | 22-30 mm |
| Habitat | Mountains | Rivers & Streams |
| Diet | Omnivores | Predators |
| Regions | Glacier National Park, Montana | North America |
| Conservation | Endangered | Least Concern |
Western Glacier Stonefly
A cold-specialist stonefly found only in glacier-fed streams in Glacier National Park. It is threatened by the retreat of mountain glaciers.
Did You Know?
It may become one of the first insects driven to extinction by climate change as glaciers disappear.
Cascades Stonefly
A large predatory stonefly endemic to Cascade Range streams. Nymphs inhabit cold boulder-strewn torrents at moderate elevations.
Did You Know?
Adults drum their abdomens on streamside surfaces to communicate with potential mates.