White Miller Mayfly vs Spotted Sedge
Side-by-side species comparison
| Attribute | White Miller Mayfly | Spotted Sedge |
|---|---|---|
| Scientific Name | Ephoron virgo | Hydropsyche siltalai |
| Order | Ephemeroptera | Trichoptera |
| Family | Polymitarcyidae | Hydropsychidae |
| Size | 12-18 mm | 10-14 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe, Western Asia | Europe |
| 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.
Spotted Sedge
A net-spinning caddisfly that constructs silken capture nets in fast-flowing water to filter food from the current. Adults have spotted brown wings.
Did You Know?
Net-spinning caddisfly larvae are such effective filter feeders that they can remove significant amounts of fine particles from stream water.