Velvet Ameletid Mayfly vs Small Square-Gilled Mayfly
Side-by-side species comparison
| Attribute | Velvet Ameletid Mayfly | Small Square-Gilled Mayfly |
|---|---|---|
| Scientific Name | Ameletus velox | Caenis luctuosa |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ameletidae | Caenidae |
| Size | 9-13 mm | 3-6 mm |
| Habitat | Rivers & Streams | Ponds & Lakes |
| Diet | Omnivores | Omnivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
Velvet Ameletid Mayfly
A swift-swimming mayfly of headwater streams known for its velvety-textured nymphal cuticle. Adults emerge in early summer.
Did You Know?
The species name velox means swift, referring to the remarkable swimming speed of the nymphs.
Small Square-Gilled Mayfly
A minute mayfly with distinctive square-shaped gills on its nymphs. Adults swarm in enormous numbers near water at twilight.
Did You Know?
The enlarged second gill plate acts as a protective cover over the remaining delicate gills.