Hooked Stonefly vs Green Drake Mayfly
Side-by-side species comparison
| Attribute | Hooked Stonefly | Green Drake Mayfly |
|---|---|---|
| Scientific Name | Agnetina capitata | Ephemera guttulata |
| Order | Plecoptera | Ephemeroptera |
| Family | Perlidae | Ephemeridae |
| Size | 20-30 mm | 18-25 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Predators | Omnivores |
| Regions | Eastern North America | Eastern North America |
| Conservation | Least Concern | Least Concern |
Hooked Stonefly
A large, patterned stonefly of eastern North American rivers with distinctive hooked anal gills. Nymphs are active nocturnal predators under cobbles.
Did You Know?
Its nymphs are nocturnal, hiding under rocks by day and actively hunting at night.
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.