Giant Amazonian Ground Beetle vs Polar Rove Beetle
Side-by-side species comparison
| Attribute | Giant Amazonian Ground Beetle | Polar Rove Beetle |
|---|---|---|
| Scientific Name | Calosoma alternans | Atheta graminicola |
| Order | Coleoptera | Coleoptera |
| Family | Carabidae | Staphylinidae |
| Size | 22-30 mm | 2-4 mm |
| Habitat | Farmland | Heathland |
| Diet | Predators | Herbivores |
| Regions | Central America, South America | Scandinavia, Finland, northern Russia, Iceland, subarctic Canada |
| Conservation | Least Concern | Least Concern |
Giant Amazonian Ground Beetle
A large Neotropical caterpillar hunter with dark elytra bearing rows of metallic pits. It is an important natural enemy of agricultural pest caterpillars in Central and South America.
Did You Know?
It is frequently attracted to lights at night and has been studied as a biological control agent for fall armyworm, a devastating pest of maize across the Americas.
Polar Rove Beetle
A tiny, elongate rove beetle with short wing covers and a flexible abdomen. It is dark brown to black and very agile. It lives among decaying vegetation and is a predator of mites and other small arthropods.
Did You Know?
Rove beetles like this species can raise their abdomens like scorpions to deter predators, though they have no stinger.