Giant Robber Fly vs Northern Emerald Dragonfly
Side-by-side species comparison
| Attribute | Giant Robber Fly | Northern Emerald Dragonfly |
|---|---|---|
| Scientific Name | Promachus fitchii | Somatochlora arctica |
| Order | Diptera | Odonata |
| Family | Asilidae | Corduliidae |
| Size | 20-35 mm | 48-55 mm body length |
| Habitat | Meadows | Heathland |
| Diet | Predators | Predators |
| Regions | North America | Northern Europe, Asia |
| Conservation | Least Concern | Near Threatened |
Giant Robber Fly
A large, bristly predatory fly with powerful grasping legs and a sharp proboscis. It ambushes prey in mid-air with remarkable speed and precision, including insects larger than itself.
Did You Know?
Robber flies inject prey with saliva containing neurotoxins and digestive enzymes, liquefying the insides and then sucking them out.
Northern Emerald Dragonfly
A rare dragonfly of northern bogs and moorland pools. Has brilliant emerald-green eyes and a bronzy-green body. One of the most northerly-ranging dragonfly species.
Did You Know?
One of the few dragonfly species adapted to breed in acidic bog pools with very low nutrient levels.