Black Sedge vs Blue Quill
Side-by-side species comparison
| Attribute | Black Sedge | Blue Quill |
|---|---|---|
| Scientific Name | Silo nigricornis | Paraleptophlebia guttata |
| Order | Trichoptera | Ephemeroptera |
| Family | Goeridae | Leptophlebiidae |
| Size | 7-9 mm body | 6-9 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Detritivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
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.
Blue Quill
A delicate spring-emerging mayfly with bluish-gray body coloring. Nymphs prefer riffles with abundant leaf detritus in clean streams.
Did You Know?
Anglers consider it one of the most important early-season hatches on trout streams.