Skimmer Stonefly vs Yellow Sally Stonefly
Side-by-side species comparison
| Attribute | Skimmer Stonefly | Yellow Sally Stonefly |
|---|---|---|
| Scientific Name | Acroneuria abnormis | Isoperla grammatica |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Perlodidae |
| Size | 20-30 mm | 8-14 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Omnivores |
| Regions | Eastern North America | Europe |
| Conservation | Least Concern | Least Concern |
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.
Yellow Sally Stonefly
A common European stonefly with a distinctive yellow body, emerging in late spring on clean rivers. It is a well-known species among European fly anglers.
Did You Know?
Yellow sally stoneflies drum their abdomens on surfaces to produce vibrations that attract mates, a behavior unique to stoneflies.