Purple Dun vs Yellow Sally
Side-by-side species comparison
| Attribute | Purple Dun | Yellow Sally |
|---|---|---|
| Scientific Name | Paraleptophlebia adoptiva | Isoperla fulva |
| Order | Ephemeroptera | Plecoptera |
| Family | Leptophlebiidae | Perlodidae |
| Size | 7-10 mm | 8-12 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Herbivores | Omnivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Purple Dun
A small dark mayfly with purplish-gray wings found in eastern streams. Nymphs crawl among submerged leaf packs in moderate current.
Did You Know?
Females drop their egg masses onto the water surface from a height of several feet while in flight.
Yellow Sally
A bright yellow stonefly common in European upland streams. Nymphs are omnivorous, feeding on both algae and small invertebrates.
Did You Know?
The vivid yellow color serves no known warning function and fades quickly in preserved specimens.