Trico Mayfly vs Green Drake Mayfly
Side-by-side species comparison
| Attribute | Trico Mayfly | Green Drake Mayfly |
|---|---|---|
| Scientific Name | Tricorythodes stygiatus | Ephemera guttulata |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Leptohyphidae | Ephemeridae |
| Size | 3-6 mm | 18-25 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Omnivores |
| Regions | North America | Eastern North America |
| Conservation | Least Concern | Least Concern |
Trico Mayfly
A tiny mayfly that forms enormous morning spinner falls over calm streams and rivers. Males have distinctive white bodies with black thoraxes.
Did You Know?
Trico spinner falls create such dense blankets of spent mayflies on the water surface that trout gorge themselves to satiation.
Green Drake Mayfly
A large and strikingly beautiful mayfly with mottled wings that emerges in late spring. Its hatches on eastern North American streams create some of the year's best fly-fishing opportunities.
Did You Know?
Green drake hatches trigger a feeding frenzy among trout, with even the largest fish rising to the surface.