Southern Salmonfly vs Sweltsa Green Stonefly
Side-by-side species comparison
| Attribute | Southern Salmonfly | Sweltsa Green Stonefly |
|---|---|---|
| Scientific Name | Neoperla clymene | Sweltsa borealis |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Chloroperlidae |
| Size | 12-18 mm | 6-9 mm |
| Habitat | Rivers & Streams | Forests |
| Diet | Predators | Predators |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
Southern Salmonfly
A medium-sized stonefly of warm southeastern streams with nocturnal adults. Nymphs are active predators in gravel substrates.
Did You Know?
Adults are strongly attracted to lights and are often collected far from water at night.
Sweltsa Green Stonefly
A small northern green stonefly found in cold boreal and montane streams. Nymphs prey on early-instar chironomids and other tiny larvae.
Did You Know?
This species is one of the most cold-adapted stoneflies and can be active in near-freezing water.