Needlefly vs Japanese Giant Stonefly
Side-by-side species comparison
| Attribute | Needlefly | Japanese Giant Stonefly |
|---|---|---|
| Scientific Name | Leuctra inermis | Oyamia lugubris |
| Order | Plecoptera | Plecoptera |
| Family | Leuctridae | Perlidae |
| Size | 6-9 mm | 25-35 mm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Detritivores | Predators |
| Regions | Europe | Japan |
| Conservation | Least Concern | Least Concern |
Needlefly
A slender stonefly that rolls its wings tightly around its body at rest, resembling a needle. Nymphs shred leaf litter in small streams.
Did You Know?
The tightly rolled wings make the adult appear to have no wings at all when viewed from above.
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.