Olive Drake Mayfly vs Brown Drake Mayfly
Side-by-side species comparison
| Attribute | Olive Drake Mayfly | Brown Drake Mayfly |
|---|---|---|
| Scientific Name | Ephemera lineata | Ephemera simulans |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemeridae | Ephemeridae |
| Size | 15-22 mm | 14-20 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Omnivores |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
Olive Drake Mayfly
A large burrowing mayfly with distinctive mottled brown wings. Nymphs excavate U-shaped burrows in sandy stream bottoms.
Did You Know?
Mass emergences at dusk can be so dense they appear on weather radar.
Brown Drake Mayfly
A large brownish mayfly with mottled wings that produces dramatic evening hatches on trout streams. Nymphs burrow in sandy and silty streambeds.
Did You Know?
Brown drake hatches occur over just a few days each year, creating some of the most spectacular dry-fly fishing of the season.