Cahill Mayfly vs White-Stockinged Black Fly
Side-by-side species comparison
| Attribute | Cahill Mayfly | White-Stockinged Black Fly |
|---|---|---|
| Scientific Name | Stenacron interpunctatum | Simulium vittatum |
| Order | Ephemeroptera | Diptera |
| Family | Heptageniidae | Simuliidae |
| Size | 8-12 mm | 2-5 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Blood Feeders |
| Regions | North America | North America |
| 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.
White-Stockinged Black Fly
A widespread black fly species complex with distinctive white-banded legs. Larvae colonize almost any flowing water from irrigation ditches to large rivers.
Did You Know?
It is one of the most commonly encountered black fly species in laboratory research.