Eastern Salmonfly vs Tiny Winter Black Stonefly
Side-by-side species comparison
| Attribute | Eastern Salmonfly | Tiny Winter Black Stonefly |
|---|---|---|
| Scientific Name | Pteronarcys biloba | Capnia nigra |
| Order | Plecoptera | Plecoptera |
| Family | Pteronarcyidae | Capniidae |
| Size | 30-40 mm | 4-8 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Detritivores |
| Regions | North America | Europe, Northern Asia |
| Conservation | Least Concern | Least Concern |
Eastern Salmonfly
A large dark stonefly of Appalachian streams that emerges in late spring. Nymphs process leaf litter and are important detritivores.
Did You Know?
Nymphs retain functional gills throughout development, unlike many stoneflies that lose them with age.
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.