Tiny Winter Black Stonefly vs Claassenia Stonefly
Side-by-side species comparison
| Attribute | Tiny Winter Black Stonefly | Claassenia Stonefly |
|---|---|---|
| Scientific Name | Capnia nigra | Claassenia sabulosa |
| Order | Plecoptera | Plecoptera |
| Family | Capniidae | Perlidae |
| Size | 4-8 mm | 25-40 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Predators |
| Regions | Europe, Northern Asia | Western North America |
| Conservation | Least Concern | Least Concern |
Tiny Winter Black Stonefly
A tiny black stonefly that emerges in late winter across European streams. It is among the earliest insects to appear each year.
Did You Know?
Females are often wingless or short-winged, relying on walking rather than flight to find mates.
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.