Slender Robber Fly vs Western Stone
Side-by-side species comparison
| Attribute | Slender Robber Fly | Western Stone |
|---|---|---|
| Scientific Name | Leptogaster cylindrica | Doroneuria baumanni |
| Order | Diptera | Plecoptera |
| Family | Asilidae | Perlidae |
| Size | 8-12 mm | 25-35 mm |
| Habitat | Meadows | Mountains |
| Diet | Predators | Predators |
| Regions | Europe, Western Asia | North America |
| Conservation | Least Concern | Least Concern |
Slender Robber Fly
A delicate, narrow-bodied robber fly with an extremely slender abdomen. It hunts small insects among tall grass stems.
Did You Know?
Its thread-like abdomen makes it almost invisible when resting on grass stems.
Western Stone
A large predatory stonefly of Pacific Northwest mountain streams. Nymphs have distinctive patterned heads and powerful mandibles.
Did You Know?
Nymphs take up to three years to complete development in cold mountain streams.