Giant Tachinid Fly vs Tundra Robber Fly
Side-by-side species comparison
| Attribute | Giant Tachinid Fly | Tundra Robber Fly |
|---|---|---|
| Scientific Name | Tachina grossa | Rhadiurgus variabilis |
| Order | Diptera | Diptera |
| Family | Tachinidae | Asilidae |
| Size | 12-18 mm | 10-15 mm |
| Habitat | Heathland | Beaches & Coastal |
| Diet | Nectar Feeders | Herbivores |
| Regions | Europe, Asia | Scandinavia, Finland, Scotland, northern Russia |
| Conservation | Least Concern | Least Concern |
Giant Tachinid Fly
The largest tachinid fly in Europe, covered in dense black bristles. It parasitizes large moth caterpillars and is often seen on flowers in late summer.
Did You Know?
Despite its intimidating bee-like appearance, it is completely harmless to humans.
Tundra Robber Fly
A medium-sized robber fly with a dark body and distinctive bristly face. It is an aerial predator that ambushes other flying insects from perches on rocks and low vegetation. Adults have powerful grasping legs.
Did You Know?
This robber fly catches prey in midair and injects digestive enzymes to liquefy the insect's insides before drinking them.