Caenis Mayfly vs Prostoia Forestfly
Side-by-side species comparison
| Attribute | Caenis Mayfly | Prostoia Forestfly |
|---|---|---|
| Scientific Name | Caenis horaria | Prostoia besametsa |
| Order | Ephemeroptera | Plecoptera |
| Family | Caenidae | Nemouridae |
| Size | 3-6 mm | 5-8 mm |
| Habitat | Rivers & Streams | Woodlands |
| Diet | Detritivores | Detritivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Caenis Mayfly
One of the smallest mayflies, often called the 'angler's curse' because trout feed on them selectively. Larvae inhabit slow-flowing rivers and lake margins.
Did You Know?
Caenis mayflies are called the angler's curse because their tiny size makes matching them with artificial flies nearly impossible.
Prostoia Forestfly
A small spring stonefly of eastern North American woodland streams. Nymphs are detritivores among leaf packs in gentle currents.
Did You Know?
The genus name Prostoia was coined to distinguish these North American species from the European Protonemura.