Claassenia Stonefly vs Banded Blackfly
Side-by-side species comparison
| Attribute | Claassenia Stonefly | Banded Blackfly |
|---|---|---|
| Scientific Name | Claassenia sabulosa | Simulium ornatum |
| Order | Plecoptera | Diptera |
| Family | Perlidae | Simuliidae |
| Size | 25-40 mm | 2-4 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Herbivores |
| 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.
Banded Blackfly
A widespread European black fly species complex found in diverse stream types. Larvae filter-feed from silken pads attached to trailing vegetation and stones.
Did You Know?
Recent DNA studies revealed that what was considered one species is actually a complex of several cryptic species.