Rain Beetle Hunter vs Nebroides Ground Beetle

Side-by-side species comparison

Attribute Rain Beetle Hunter Nebroides Ground Beetle
Scientific Name Calosoma cancellatum Carabus problematicus
Order Coleoptera Coleoptera
Family Carabidae Carabidae
Size 18-25 mm 20-28 mm
Habitat Grasslands Heathland
Diet Predators Predators
Regions North America, from Canada to Mexico Northern Europe, British Isles
Conservation Least Concern Least Concern

Rain Beetle Hunter

A medium to large caterpillar hunter with dark elytra marked by rows of rectangular pits giving a grid-like appearance. It is one of the most common Calosoma species across North American prairies.

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Did You Know?

It emerges in massive numbers after rain events on the Great Plains, earning the nickname rain beetle, and can be found running across roads in huge aggregations.

Nebroides Ground Beetle

A common black ground beetle of northern European heathlands and moorlands. It is an active nocturnal predator with ridged elytra.

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Did You Know?

Despite its name it is one of the most easily identified Carabus species in the British Isles.