Japanese Giant Stonefly vs Forestfly
Side-by-side species comparison
| Attribute | Japanese Giant Stonefly | Forestfly |
|---|---|---|
| Scientific Name | Oyamia lugubris | Nemoura cambrica |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Nemouridae |
| Size | 25-35 mm | 6-9 mm |
| Habitat | Mountains | Forests |
| 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.
Forestfly
A small brown stonefly associated with forested Welsh and British streams. Nymphs have distinctive cervical gills and feed on leaf detritus.
Did You Know?
The species was first described from specimens collected in Wales, giving it the name cambrica.