Brushleg Mayfly vs Drake Mackerel Mayfly
Side-by-side species comparison
| Attribute | Brushleg Mayfly | Drake Mackerel Mayfly |
|---|---|---|
| Scientific Name | Isonychia bicolor | Ephemera glaucops |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Isonychiidae | Ephemeridae |
| Size | 12-18 mm | 15-20 mm |
| Habitat | Rivers & Streams | Ponds & Lakes |
| Diet | Omnivores | Detritivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
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.
Drake Mackerel Mayfly
A large European burrowing mayfly with distinctive dark markings on its wings. It emerges in synchronous swarms during warm summer evenings.
Did You Know?
Swarms of this mayfly dancing over European rivers at sunset have inspired poets and naturalists for centuries.