Cahill Mayfly vs Claret Dun Mayfly
Side-by-side species comparison
| Attribute | Cahill Mayfly | Claret Dun Mayfly |
|---|---|---|
| Scientific Name | Stenacron interpunctatum | Leptophlebia vespertina |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Heptageniidae | Leptophlebiidae |
| Size | 8-12 mm | 8-12 mm |
| Habitat | Rivers & Streams | Ponds & Lakes |
| Diet | Detritivores | Detritivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Cahill Mayfly
A cream-to-tan colored mayfly found throughout eastern North America. It is named after the classic Light Cahill fly fishing pattern it inspired.
Did You Know?
The Light Cahill fly pattern, inspired by this mayfly, has been a staple of American fly fishing since the 1880s.
Claret Dun Mayfly
A dark-winged mayfly that emerges in the evening over still and slow-moving waters.
Did You Know?
It is a key food source for brown trout during spring evening rises.