Seven-Spot Ladybird vs Secondary Screwworm Fly
Side-by-side species comparison
| Attribute | Seven-Spot Ladybird | Secondary Screwworm Fly |
|---|---|---|
| Scientific Name | Coccinella septempunctata | Cochliomyia macellaria |
| Order | Coleoptera | Diptera |
| Family | Coccinellidae | Calliphoridae |
| Size | 5-8 mm | 8-12 mm |
| Habitat | Farmland | Farmland |
| Diet | Predators | Carrion Feeders |
| Regions | Europe, Asia, North America | North America, South America |
| Conservation | Least Concern | Least Concern |
Seven-Spot Ladybird
The most common ladybird in Europe. Its bright red coloring with seven black spots warns predators of its bitter taste. A voracious predator of aphids.
Did You Know?
A single seven-spot ladybird can eat over 5,000 aphids in its lifetime, making it one of the most effective biological pest controllers.
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.