Great Grey Sedge vs Black Sedge
Side-by-side species comparison
| Attribute | Great Grey Sedge | Black Sedge |
|---|---|---|
| Scientific Name | Arctopsyche grandis | Silo nigricornis |
| Order | Trichoptera | Trichoptera |
| Family | Hydropsychidae | Goeridae |
| Size | 20-30 mm | 7-9 mm body |
| Habitat | Mountains | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Great Grey Sedge
One of the largest net-spinning caddisflies in North America with a wingspan over 40 mm. Larvae build robust catch-nets in powerful mountain torrents.
Did You Know?
Larvae are partially predatory, consuming small invertebrates trapped in their nets alongside organic debris.
Black Sedge
A caddisfly whose larvae build heavy cases from sand grains cemented with silk. Found in clean, stony streams. Cases have lateral flanges of larger stones for ballast.
Did You Know?
Larval cases have added flanges of larger stones that act as ballast, preventing the case from being swept away.