American Needlefly vs Western Stone
Side-by-side species comparison
| Attribute | American Needlefly | Western Stone |
|---|---|---|
| Scientific Name | Leuctra tenuis | Doroneuria baumanni |
| Order | Plecoptera | Plecoptera |
| Family | Leuctridae | Perlidae |
| Size | 5-8 mm | 25-35 mm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Detritivores | Predators |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
American Needlefly
A delicate needle-thin stonefly of Appalachian headwater streams. Nymphs are important processors of autumn-shed leaf litter.
Did You Know?
Multiple Leuctra species can coexist in the same stream by emerging at different times of year.
Western Stone
A large predatory stonefly of Pacific Northwest mountain streams. Nymphs have distinctive patterned heads and powerful mandibles.
Did You Know?
Nymphs take up to three years to complete development in cold mountain streams.