Little Olive Sedge vs Cold-water Glacier Midge
Side-by-side species comparison
| Attribute | Little Olive Sedge | Cold-water Glacier Midge |
|---|---|---|
| Scientific Name | Hydropsyche betteni | Diamesa cinerella |
| Order | Trichoptera | Diptera |
| Family | Hydropsychidae | Chironomidae |
| Size | 10-14 mm | 3-4 mm body length |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Detritivores | Detritivores |
| Regions | North America | Europe, Alps, Scandinavia |
| Conservation | Least Concern | Least Concern |
Little Olive Sedge
A common North American net-spinning caddisfly tolerant of a range of water qualities. Larvae build intricate filtering nets in crevices between cobbles.
Did You Know?
Silk nets are species-specific in mesh size, tuned to the preferred food particle diameter.
Cold-water Glacier Midge
A cold-adapted midge found in high-altitude streams fed by snowmelt. Its larvae are among the first colonizers of newly formed glacial streams.
Did You Know?
Adults can emerge and fly at temperatures just above freezing.