Spotted Sedge vs Western Ameletid Mayfly
Side-by-side species comparison
| Attribute | Spotted Sedge | Western Ameletid Mayfly |
|---|---|---|
| Scientific Name | Hydropsyche siltalai | Ameletus cooki |
| Order | Trichoptera | Ephemeroptera |
| Family | Hydropsychidae | Ameletidae |
| Size | 10-14 mm | 8-12 mm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Omnivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
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.
Western Ameletid Mayfly
A streamlined mayfly found in cold mountain streams of the Pacific Northwest. Nymphs are agile swimmers that dart between cobbles in riffles.
Did You Know?
Nymphs are strong enough swimmers to move upstream against moderate currents.