Size: 4.5-7.5mm
Basic colour: Red and blue
Pattern colour: Head and pronotum pale reddish brown, elytra metallic blue, with basal third or more of intervals 1-2 (including scutellum) reddish brown.
Pronotoum: Narrow and slightly elongate, sides sinuate.
Leg colour: Pale yellow-brown.
Confusion species: Brachinus crepitans
UK Priority Species data collation Brachinus sclopeta.