Skimmer Stonefly vs Embossed Stonefly
Side-by-side species comparison
| Attribute | Skimmer Stonefly | Embossed Stonefly |
|---|---|---|
| Scientific Name | Acroneuria abnormis | Paragnetina immarginata |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Perlidae |
| Size | 20-30 mm | 18-25 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Eastern North America | North America |
| 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.
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.