Size: 22-26mm Basic colour: Coppery or greenish metallic. Pronotoum: Wide, sides contracted basally with side borders and hind angles clearly raised almost to level of disc. Confusion species: Carabus violaceus
Size: 25-35mm Basic colour: Bright metallic blue. Pronotoum: Elongate and almost flat. Leg colour: Black, with blue metallic sheen. Confusion species: Carabus problematicus