Iron Blue Dun vs American Sand Mayfly
Side-by-side species comparison
| Attribute | Iron Blue Dun | American Sand Mayfly |
|---|---|---|
| Scientific Name | Baetis muticus | Dolania americana |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Baetidae | Behningiidae |
| Size | 5-7 mm | 10-15 mm body |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Iron Blue Dun
A small dark mayfly that hatches prolifically on cool overcast days. Nymphs are found clinging to stones in moderate to fast current.
Did You Know?
Hatches are most prolific during rain and cold snaps, making it a favorite species for wet-weather anglers.
American Sand Mayfly
Holds the record for the shortest adult lifespan of any insect — females live less than five minutes as adults, just long enough to mate and lay eggs before dying.
Did You Know?
Female Dolania americana mayflies live less than five minutes as adults — they emerge, mate, lay eggs, and die faster than most people take a coffee break.