Drake Mackerel Mayfly vs Mahogany Dun
Side-by-side species comparison
| Attribute | Drake Mackerel Mayfly | Mahogany Dun |
|---|---|---|
| Scientific Name | Ephemera glaucops | Isonychia harperi |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemeridae | Isonychiidae |
| Size | 15-20 mm | 13-17 mm |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Detritivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
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.
Mahogany Dun
A large reddish-brown mayfly with impressive filter-feeding forelegs. Nymphs prefer moderate to fast riffles with clean gravel substrates.
Did You Know?
Adults hold their forelegs forward in flight, making them easy to identify on the wing.