Black Sedge vs Apple Caddis
Side-by-side species comparison
| Attribute | Black Sedge | Apple Caddis |
|---|---|---|
| Scientific Name | Silo nigricornis | Brachycentrus appalachia |
| Order | Trichoptera | Trichoptera |
| Family | Goeridae | Brachycentridae |
| Size | 7-9 mm body | 8-12 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| 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.
Apple Caddis
A caddisfly of Appalachian streams that builds tapered square cases from plant material. Larvae orient their cases facing into the current for filter feeding.
Did You Know?
The square cross-section of the case is thought to reduce drag in fast currents.