Large Dark Olive Mayfly vs Banded Demoiselle
Side-by-side species comparison
| Attribute | Large Dark Olive Mayfly | Banded Demoiselle |
|---|---|---|
| Scientific Name | Baetis rhodani | Calopteryx splendens |
| Order | Ephemeroptera | Odonata |
| Family | Baetidae | Calopterygidae |
| Size | 6-10 mm | 45-48 mm wingspan |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Predators |
| Regions | Europe | Europe, Asia |
| Conservation | Least Concern | Least Concern |
Large Dark Olive Mayfly
The most common European mayfly, emerging year-round in many rivers. It is a small olive-brown species that serves as a staple food for stream fish.
Did You Know?
This mayfly can produce up to three generations per year, making it available as fish food in every season.
Banded Demoiselle
A striking damselfly with metallic blue-green body and distinctive dark wing patches in males. It frequents slow-flowing rivers and streams across Europe.
Did You Know?
Males perform an elaborate fluttering courtship display flight, hovering in front of females to show off their iridescent wing patches.