Bembidion tibiale is a species of ground beetle native to Europe.Fauna EuropaeaCarl H. Lindroth 1974 Coleoptera. Carabidae. Handbooks for the Identification of British Insects Vol 4 Part 2. Royal Entomological Society, London pdf
The ground beetle is usually 5.5-6.5mm, long, black, with strong metallic blue or green reflections.
References