Sulphur Mayfly vs Yellow Drake Mayfly
Side-by-side species comparison
| Attribute | Sulphur Mayfly | Yellow Drake Mayfly |
|---|---|---|
| Scientific Name | Ephemerella dorothea | Ephemera lutea |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemerellidae | Ephemeridae |
| Size | 6-9 mm | 18-25 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Detritivores |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
Sulphur Mayfly
A small pale yellow mayfly that produces reliable evening hatches on eastern North American streams. One of the most important species for fly anglers.
Did You Know?
Sulphur mayfly hatches are so predictable in timing that experienced anglers can arrive at the stream within minutes of the first emergence.
Yellow Drake Mayfly
One of the largest mayflies in eastern North America with a pale greenish body. Nymphs live in burrows in the silty bottoms of clean streams.
Did You Know?
Adults live only a few hours but their emergence creates one of the most anticipated fishing events of the year.