Claassenia Stonefly vs American Needlefly
Side-by-side species comparison
| Attribute | Claassenia Stonefly | American Needlefly |
|---|---|---|
| Scientific Name | Claassenia sabulosa | Leuctra tenuis |
| Order | Plecoptera | Plecoptera |
| Family | Perlidae | Leuctridae |
| Size | 25-40 mm | 5-8 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Detritivores |
| Regions | Western North America | North America |
| Conservation | Least Concern | Least Concern |
Claassenia Stonefly
A large predatory stonefly with a mottled yellow and brown pattern. The nymphs are active nocturnal hunters that roam the stream bed seeking prey.
Did You Know?
Nymphs often crawl out of the water at night to hunt, making them vulnerable to bats and spiders.
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.