Brown Drake Mayfly vs Blue-Winged Olive
Side-by-side species comparison
| Attribute | Brown Drake Mayfly | Blue-Winged Olive |
|---|---|---|
| Scientific Name | Ephemera simulans | Baetis tricaudatus |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemeridae | Baetidae |
| Size | 14-20 mm | 5-9 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
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.
Blue-Winged Olive
A small olive-colored mayfly with distinctive bluish-gray wings, abundant in clean streams across North America. It produces multiple generations per year.
Did You Know?
Blue-winged olives are among the few mayflies that hatch in winter, providing vital food for trout during cold months.