Cascades Stonefly vs Needle Stonefly
Side-by-side species comparison
| Attribute | Cascades Stonefly | Needle Stonefly |
|---|---|---|
| Scientific Name | Doroneuria theodora | Leuctra fusca |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Leuctridae |
| Size | 22-30 mm | 6-10 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Herbivores |
| Regions | North America | Europe, Asia |
| Conservation | Least Concern | Least Concern |
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.
Needle Stonefly
A small slender stonefly that rolls its wings tightly around its body at rest, giving it a needle-like appearance. Common in small streams across Europe.
Did You Know?
Needle stoneflies are among the most pollution-sensitive aquatic insects and disappear quickly from streams affected by acid rain.