Springfly vs Giant Salmonfly
Side-by-side species comparison
| Attribute | Springfly | Giant Salmonfly |
|---|---|---|
| Scientific Name | Isoperla signata | Pteronarcys princeps |
| Order | Plecoptera | Plecoptera |
| Family | Perlodidae | Pteronarcyidae |
| Size | 9-13 mm | 35-50 mm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Predators | Detritivores |
| Regions | Europe | 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.
Giant Salmonfly
A massive stonefly of western mountain rivers with a three-year nymphal life cycle. Nymphs feed on decomposing leaf material in cold streams.
Did You Know?
Adults are among the largest flying insects in North America and can barely sustain flight due to their weight.