Secondary Screwworm Fly vs South African Robber Fly
Side-by-side species comparison
| Attribute | Secondary Screwworm Fly | South African Robber Fly |
|---|---|---|
| Scientific Name | Cochliomyia macellaria | Alcimus tristrigatus |
| Order | Diptera | Diptera |
| Family | Calliphoridae | Asilidae |
| Size | 8-12 mm | 18-26 mm |
| Habitat | Farmland | Heathland |
| Diet | Carrion Feeders | Predators |
| Regions | North America, South America | Southern Africa |
| Conservation | Least Concern | Least Concern |
Secondary Screwworm Fly
A blow fly that breeds in carrion and occasionally infests wounds in livestock. It is widely used in forensic studies in the Americas.
Did You Know?
Unlike the primary screwworm, it only feeds on dead tissue rather than living flesh.
South African Robber Fly
A large, hairy robber fly endemic to southern Africa's fynbos and savanna. It perches conspicuously on shrubs while scanning for prey.
Did You Know?
Southern Africa harbors one of the richest robber fly faunas in the world.