Large Alpine Stonefly vs Southern Salmonfly
Side-by-side species comparison
| Attribute | Large Alpine Stonefly | Southern Salmonfly |
|---|---|---|
| Scientific Name | Perla grandis | Neoperla clymene |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Perlidae |
| Size | 20-33 mm body length | 12-18 mm |
| Habitat | Mountains | Rivers & Streams |
| Diet | Omnivores | Predators |
| Regions | Europe, Alps, Pyrenees | North America |
| Conservation | Least Concern | Least Concern |
Large Alpine Stonefly
One of the largest European stoneflies, found in clean mountain rivers. Its nymphs take several years to develop in cold water.
Did You Know?
Nymphs may take up to four years to complete development in cold alpine waters.
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.