Yellow Stonefly vs Forestfly
Side-by-side species comparison
| Attribute | Yellow Stonefly | Forestfly |
|---|---|---|
| Scientific Name | Isoperla dicala | Nemoura cambrica |
| Order | Plecoptera | Plecoptera |
| Family | Perlodidae | Nemouridae |
| Size | 9-13 mm | 6-9 mm |
| Habitat | Rivers & Streams | Forests |
| Diet | Predators | Detritivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Yellow Stonefly
A bright yellow springfly found in clean Appalachian streams. Nymphs are predatory on small invertebrates in gravel substrates.
Did You Know?
Males produce vibrational signals by rubbing their abdomen against the substrate, audible through special sensors.
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.