Longhorn Caddisfly vs Skimmer Stonefly
Side-by-side species comparison
| Attribute | Longhorn Caddisfly | Skimmer Stonefly |
|---|---|---|
| Scientific Name | Oecetis ochracea | Acroneuria abnormis |
| Order | Trichoptera | Plecoptera |
| Family | Leptoceridae | Perlidae |
| Size | 8-12 mm | 20-30 mm |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Europe, Asia | Eastern North America |
| Conservation | Least Concern | Least Concern |
Longhorn Caddisfly
A slender caddisfly with antennae much longer than its body. Larvae are unusual among caddisflies in being active predators that hunt in their cases.
Did You Know?
These caddisfly larvae carry their cases while stalking prey like tiny hermit crabs hunting on the lake floor.
Skimmer Stonefly
A large predatory stonefly widespread in eastern North American rivers. Adults skim across the water surface during egg-laying flights.
Did You Know?
Female skimmer stoneflies bounce across the water surface while releasing eggs, appearing to skip like a stone.