Snail-Case Caddisfly vs Great Grey Sedge
Side-by-side species comparison
| Attribute | Snail-Case Caddisfly | Great Grey Sedge |
|---|---|---|
| Scientific Name | Helicopsyche mexicana | Arctopsyche grandis |
| Order | Trichoptera | Trichoptera |
| Family | Helicopsychidae | Hydropsychidae |
| Size | 5-7 mm | 20-30 mm |
| Habitat | Rivers & Streams | Mountains |
| Diet | Omnivores | Omnivores |
| Regions | North America, Central America | North America |
| Conservation | Least Concern | Least Concern |
Snail-Case Caddisfly
A remarkable caddisfly whose larva builds a coiled sand-grain case resembling a tiny snail shell. Found in warm streams of the American Southwest.
Did You Know?
Cases so closely resemble snail shells that they were originally described as a new genus of freshwater snail.
Great Grey Sedge
One of the largest net-spinning caddisflies in North America with a wingspan over 40 mm. Larvae build robust catch-nets in powerful mountain torrents.
Did You Know?
Larvae are partially predatory, consuming small invertebrates trapped in their nets alongside organic debris.