Japanese Giant Stonefly vs Small Brown Forestfly
Side-by-side species comparison
| Attribute | Japanese Giant Stonefly | Small Brown Forestfly |
|---|---|---|
| Scientific Name | Oyamia lugubris | Nemoura avicularis |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Nemouridae |
| Size | 25-35 mm | 5-8 mm |
| Habitat | Mountains | Woodlands |
| Diet | Predators | Detritivores |
| Regions | Japan | Europe |
| Conservation | Least Concern | Least Concern |
Japanese Giant Stonefly
A large predatory stonefly found in mountainous streams of Japan. Nymphs have powerful mandibles for capturing prey in swift currents.
Did You Know?
It is an indicator of pristine water quality in Japanese mountain streams.
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.