Io Moth vs Panamanian Giant Ground Beetle
Side-by-side species comparison
| Attribute | Io Moth | Panamanian Giant Ground Beetle |
|---|---|---|
| Scientific Name | Automeris io | Calosoma granulatum |
| Order | Lepidoptera | Coleoptera |
| Family | Saturniidae | Carabidae |
| Size | 63-88 mm wingspan | 20-28 mm |
| Habitat | Meadows | Farmland |
| Diet | Predators | Predators |
| Regions | North America | South America (Brazil, Argentina, Paraguay, Uruguay) |
| Conservation | Least Concern | Least Concern |
Io Moth
Named after Io from Greek mythology. Hindwings display large eyespots that flash open to startle predators. Caterpillars are covered in urticating spines that cause a painful sting.
Did You Know?
When threatened, the Io moth suddenly flashes open its hindwings to reveal two enormous eyespots — the sudden appearance of "eyes" startles predators into backing off.
Panamanian Giant Ground Beetle
A large South American caterpillar hunter with coarsely sculptured dark elytra and metallic reflections. It is an important predator of armyworm caterpillars in agricultural areas.
Did You Know?
It is one of the most important natural enemies of the fall armyworm in South American soybean and maize fields, where a single beetle can eat dozens of caterpillars per night.