Robber Fly vs Downlooker Fly
Side-by-side species comparison
| Attribute | Robber Fly | Downlooker Fly |
|---|---|---|
| Scientific Name | Promachus rufipes | Rhagio tringarius |
| Order | Diptera | Diptera |
| Family | Asilidae | Rhagionidae |
| Size | 15-30 mm | 8-12mm |
| Habitat | Meadows | Wetlands |
| Diet | Predators | Herbivores |
| Regions | North America, Europe | Europe |
| Conservation | Least Concern | Least Concern |
Robber Fly
Aggressive aerial predators that catch other insects in flight. Inject prey with neurotoxic saliva that paralyzes and liquefies internal organs for consumption.
Did You Know?
Robber flies are such efficient aerial predators that they have been recorded catching dragonflies, wasps, and even other robber flies in mid-air.
Downlooker Fly
A slender predatory fly with spotted wings that perches head-downward on vegetation waiting for prey.
Did You Know?
Always rests facing downward on stems and leaves, earning it the name downlooker or snipe fly.