Blue-winged Olive Mayfly vs South American Giant Mayfly
Side-by-side species comparison
| Attribute | Blue-winged Olive Mayfly | South American Giant Mayfly |
|---|---|---|
| Scientific Name | Serratella ignita | Campsurus major |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemerellidae | Polymitarcyidae |
| Size | 7-10 mm body | 15-25 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe | South 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.
South American Giant Mayfly
A large tropical mayfly found in South American rivers and floodplains. Males have distinctive elongated forelegs used for grasping females during mating flights.
Did You Know?
Its mass emergences from Amazonian rivers provide a critical food pulse for fish and birds.