Marbled Sedge vs South African Alderfly
Side-by-side species comparison
| Attribute | Marbled Sedge | South African Alderfly |
|---|---|---|
| Scientific Name | Hydropsyche contubernalis | Leptosialis africana |
| Order | Trichoptera | Megaloptera |
| Family | Hydropsychidae | Sialidae |
| Size | 12-18 mm | 10-14 mm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Africa |
| Conservation | Least Concern | Data Deficient |
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.
South African Alderfly
One of the few alderfly species found in the Southern Hemisphere, occurring in clean mountain streams of South Africa. Adults are small with dark wings.
Did You Know?
Southern Hemisphere alderflies are so rare and poorly studied that basic aspects of their biology remain unknown to science.