Small Ballast Caddisfly vs October Caddis
Side-by-side species comparison
| Attribute | Small Ballast Caddisfly | October Caddis |
|---|---|---|
| Scientific Name | Silo pallipes | Dicosmoecus gilvipes |
| Order | Trichoptera | Trichoptera |
| Family | Goeridae | Limnephilidae |
| Size | 7-10 mm | 20-28 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Herbivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Small Ballast Caddisfly
A small caddisfly that cements large pebbles to its mineral case for ballast in fast water. Found exclusively in clean calcareous streams.
Did You Know?
Larvae select ballast stones of remarkably uniform size relative to their body mass.
October Caddis
A large orange-bodied caddisfly that hatches in autumn on western North American rivers. It is one of the most important late-season food sources for steelhead and salmon.
Did You Know?
October caddis larvae build massive cases from pebbles and can be so abundant that they visibly alter the streambed substrate.