Alpine Stonefly vs Embossed Stonefly
Side-by-side species comparison
| Attribute | Alpine Stonefly | Embossed Stonefly |
|---|---|---|
| Scientific Name | Dictyogenus alpinum | Paragnetina immarginata |
| Order | Plecoptera | Plecoptera |
| Family | Perlodidae | Perlidae |
| Size | 15-25 mm body length | 18-25 mm |
| Habitat | Mountains | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Alps, Central European mountains | North America |
| Conservation | Least Concern | Least Concern |
Alpine Stonefly
A large, dark stonefly of cold alpine streams and rivers. Its nymphs are voracious predators of other aquatic invertebrates.
Did You Know?
Adults have reduced mouthparts and do not feed during their short lifespan.
Embossed Stonefly
A large patterned stonefly of clean eastern streams with raised body markings. Nymphs are top predators among stream cobble invertebrate communities.
Did You Know?
Nymphs moult up to 30 times before reaching adulthood, far more than most aquatic insects.