Sulphur Mayfly vs White-Gloved Howdy
Side-by-side species comparison
| Attribute | Sulphur Mayfly | White-Gloved Howdy |
|---|---|---|
| Scientific Name | Ephemerella dorothea | Isonychia sadleri |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemerellidae | Isonychiidae |
| Size | 6-9 mm | 12-16 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| 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.
White-Gloved Howdy
Named for the white tips of its forelegs resembling gloves. Nymphs are powerful swimmers found in fast-flowing Appalachian streams.
Did You Know?
The distinctive white-tipped forelegs are visible even in flight, giving rise to the fanciful common name.