White Miller Mayfly vs Velvet Ameletid Mayfly
Side-by-side species comparison
| Attribute | White Miller Mayfly | Velvet Ameletid Mayfly |
|---|---|---|
| Scientific Name | Ephoron virgo | Ameletus velox |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Polymitarcyidae | Ameletidae |
| Size | 12-18 mm | 9-13 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe, Western Asia | North America |
| Conservation | Least Concern | Least Concern |
White Miller Mayfly
A white-bodied European mayfly that emerges in enormous synchronized swarms at dusk. Females are unique among mayflies in that they moult directly into the spinner stage.
Did You Know?
Swarms at bridges and streetlights can be so thick they cause traffic hazards.
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.