Marbled Sedge vs Cascades Stonefly
Side-by-side species comparison
| Attribute | Marbled Sedge | Cascades Stonefly |
|---|---|---|
| Scientific Name | Hydropsyche contubernalis | Doroneuria theodora |
| Order | Trichoptera | Plecoptera |
| Family | Hydropsychidae | Perlidae |
| Size | 12-18 mm | 22-30 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Predators |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Marbled Sedge
A net-spinning caddisfly with distinctly marbled wing patterns. It is common in larger European rivers and is tolerant of moderate levels of organic enrichment.
Did You Know?
Marbled sedge larvae are territorial and will aggressively defend their net-spinning sites from rivals.
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.