Cahill Mayfly vs Mountain Bristletail
Side-by-side species comparison
| Attribute | Cahill Mayfly | Mountain Bristletail |
|---|---|---|
| Scientific Name | Stenacron interpunctatum | Trigoniophthalmus alternatus |
| Order | Ephemeroptera | Archaeognatha |
| Family | Heptageniidae | Machilidae |
| Size | 8-12 mm | 10-15 mm |
| Habitat | Rivers & Streams | Forests |
| Diet | Detritivores | Detritivores |
| Regions | North America | Central 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.
Mountain Bristletail
A large bristletail found in forests and rocky habitats across central Europe. It has distinctive triangular compound eyes that meet on top of its head.
Did You Know?
Its genus name refers to its triangular eyes, a key identifying feature.