Beetle ID?

Beetle ID?

Observation - Beetle ID?. Description: Small beetle found in the garden. Shines an irridescent green/blue colour in the sun - apologies, photos don't show this! It also appears to have lines/ridges running down the length of its body. About 13mm long. Legs are brown/reddish rather than black.

Small beetle found in the garden. Shines an irridescent green/blue colour in the sun - apologies, photos don't show this! It also appears to have lines/ridges running down the length of its body. About 13mm long. Legs are brown/reddish rather than black. Some sort of ground beetle perhaps?