Springfly vs Skimmer Stonefly
Side-by-side species comparison
| Attribute | Springfly | Skimmer Stonefly |
|---|---|---|
| Scientific Name | Isoperla signata | Acroneuria abnormis |
| Order | Plecoptera | Plecoptera |
| Family | Perlodidae | Perlidae |
| Size | 9-13 mm | 20-30 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Europe | Eastern North America |
| Conservation | Least Concern | Least Concern |
Springfly
A spring-emerging stonefly of fast-flowing European streams. Nymphs are active hunters that pursue prey among streambed gravels.
Did You Know?
Males locate females by producing species-specific vibrations that travel through the substrate.
Skimmer Stonefly
A large predatory stonefly widespread in eastern North American rivers. Adults skim across the water surface during egg-laying flights.
Did You Know?
Female skimmer stoneflies bounce across the water surface while releasing eggs, appearing to skip like a stone.