Screwworm Fly vs Tundra Robber Fly
Side-by-side species comparison
| Attribute | Screwworm Fly | Tundra Robber Fly |
|---|---|---|
| Scientific Name | Cochliomyia hominivorax | Rhadiurgus variabilis |
| Order | Diptera | Diptera |
| Family | Calliphoridae | Asilidae |
| Size | 8-12 mm | 10-15 mm |
| Habitat | Forests | Beaches & Coastal |
| Diet | Blood Feeders | Herbivores |
| Regions | Central America, South America, Caribbean | Scandinavia, Finland, Scotland, northern Russia |
| Conservation | Least Concern | Least Concern |
Screwworm Fly
A devastating parasitic fly whose larvae feed on living tissue of warm-blooded animals. It was eradicated from North America using the sterile insect technique.
Did You Know?
The sterile male release program that eradicated it from the US is considered one of the greatest triumphs in pest control history.
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.