description Granulated Ground Beetle Overview
The granulated ground beetle is the species Carabus granulatus, a member of the ground beetle family Carabidae. It is found across much of Europe and in parts of Asia, commonly in damp grassland, woodland edges, gardens, and other areas with suitable ground cover. Adults are active predators that feed on small invertebrates, including slugs, snails, larvae, and other soft-bodied prey.
help Granulated Ground Beetle FAQ
How can I identify Carabus granulatus?
The granulated ground beetle is Carabus granulatus Linnaeus, 1758, usually measuring about 16 to 23 millimetres. It often has a bronze, greenish or black body with textured wing cases, and its black first antennal segment helps distinguish it from similar Carabus species.
Where does the granulated ground beetle live?
It favors damp places such as wet fields, river margins, fens, lakeshores and moist grassland. Its range extends across much of Europe and through Siberia to the Pacific, so local habitat and coloration can vary.
Is the granulated ground beetle a pest or a predator?
Carabus granulatus is a predatory ground beetle, so adults hunt small invertebrates rather than feeding on pine bark or living as a crop pest. In Ireland it is common in wetlands and can also appear in gardens, where it forms part of the natural predator community.
Does the granulated ground beetle fly or come out at night?
Some Carabus granulatus have fully developed wings, while others have reduced flight organs, making flight ability variable within the species. Adults are mainly nocturnal and are commonly recorded from about April through September in temperate parts of its range.
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