White Miller Caddisfly vs October Caddis
Side-by-side species comparison
| Attribute | White Miller Caddisfly | October Caddis |
|---|---|---|
| Scientific Name | Nectopsyche albida | Dicosmoecus gilvipes |
| Order | Trichoptera | Trichoptera |
| Family | Leptoceridae | Limnephilidae |
| Size | 8-12 mm | 20-28 mm |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Detritivores | Herbivores |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
White Miller Caddisfly
A small white caddisfly commonly found near lights along eastern North American waterways. Its delicate white wings make it easily recognizable.
Did You Know?
White millers swarm around riverside lights in such numbers that they can create slippery hazards on bridges and roadways.
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.