Autumn Dun vs Purple Dun
Side-by-side species comparison
| Attribute | Autumn Dun | Purple Dun |
|---|---|---|
| Scientific Name | Leptophlebia marginata | Paraleptophlebia adoptiva |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Leptophlebiidae | Leptophlebiidae |
| Size | 10-14 mm | 7-10 mm |
| Habitat | Woodlands | Rivers & Streams |
| Diet | Detritivores | Herbivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Autumn Dun
A dark-winged mayfly that emerges in spring despite its common name. Nymphs inhabit slow-flowing sections of woodland streams among leaf litter.
Did You Know?
Its common name refers to the brownish autumnal color of the adult, not its emergence season.
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.