October Caddis vs Kauai Flightless Stag Beetle
Side-by-side species comparison
| Attribute | October Caddis | Kauai Flightless Stag Beetle |
|---|---|---|
| Scientific Name | Dicosmoecus gilvipes | Apterocyclus honoluluensis |
| Order | Trichoptera | Coleoptera |
| Family | Limnephilidae | Lucanidae |
| Size | 20-28 mm | 1.5-3 cm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Herbivores | Herbivores |
| Regions | North America | United States |
| Conservation | Least Concern | Endangered |
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.
Kauai Flightless Stag Beetle
A flightless stag beetle endemic to the island of Kauai in Hawaii. Larvae develop in rotting logs of native trees.
Did You Know?
It is the only stag beetle in Hawaii and has completely lost its ability to fly.