Claassenia Stonefly vs Small Ballast Caddisfly
Side-by-side species comparison
| Attribute | Claassenia Stonefly | Small Ballast Caddisfly |
|---|---|---|
| Scientific Name | Claassenia sabulosa | Silo pallipes |
| Order | Plecoptera | Trichoptera |
| Family | Perlidae | Goeridae |
| Size | 25-40 mm | 7-10 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Omnivores |
| Regions | Western North America | Europe |
| Conservation | Least Concern | Least Concern |
Claassenia Stonefly
A large predatory stonefly with a mottled yellow and brown pattern. The nymphs are active nocturnal hunters that roam the stream bed seeking prey.
Did You Know?
Nymphs often crawl out of the water at night to hunt, making them vulnerable to bats and spiders.
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.