Blue-winged Olive Mayfly vs Brushleg Mayfly
Side-by-side species comparison
| Attribute | Blue-winged Olive Mayfly | Brushleg Mayfly |
|---|---|---|
| Scientific Name | Serratella ignita | Isonychia bicolor |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemerellidae | Isonychiidae |
| Size | 7-10 mm body | 12-18 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Blue-winged Olive Mayfly
A common mayfly of clean rivers and streams with distinctive blue-grey wings. One of the most important mayflies for fly fishing. Nymphs cling to stones in fast water.
Did You Know?
So important to fly fishers that dozens of artificial fly patterns have been designed to imitate its various life stages.
Brushleg Mayfly
A large, fast-swimming mayfly with forelegs fringed with bristles for filter feeding. Nymphs inhabit swift riffles of large streams and rivers.
Did You Know?
Unlike most mayflies, nymphs crawl out of water onto rocks to emerge as adults rather than hatching at the surface.