Snowborn Stonefly vs Cascades Stonefly
Side-by-side species comparison
| Attribute | Snowborn Stonefly | Cascades Stonefly |
|---|---|---|
| Scientific Name | Capnia atra | Doroneuria theodora |
| Order | Plecoptera | Plecoptera |
| Family | Capniidae | Perlidae |
| Size | 4-7 mm | 22-30 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Predators |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
Snowborn Stonefly
A tiny black stonefly that emerges during the coldest months in northern North America. Adults are frequently observed walking on snow.
Did You Know?
It is active at temperatures near freezing, when virtually all other insects are dormant.
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.