Giant Salmonfly vs Small Brown Forestfly
Side-by-side species comparison
| Attribute | Giant Salmonfly | Small Brown Forestfly |
|---|---|---|
| Scientific Name | Pteronarcys princeps | Nemoura avicularis |
| Order | Plecoptera | Plecoptera |
| Family | Pteronarcyidae | Nemouridae |
| Size | 35-50 mm | 5-8 mm |
| Habitat | Mountains | Woodlands |
| Diet | Detritivores | Detritivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
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.
Small Brown Forestfly
A small brown stonefly of European woodland streams that emerges in spring. Nymphs are detritivores feeding on submerged leaf litter.
Did You Know?
Adults fold their wings flat over the body like a fan, unlike most stoneflies that fold wings along the sides.