Zygaena transalpina

There does not seem to exist a common name in English - I would call it something like the “Alpine six-spot burnet”.
It it quite similar in appearance to the six-spot burnet (Zygaena filipendulae), but has a sharper separation of the six red dots, and a clearer red area with a sharp separation to the black fringe on the underwing (not seen in this picture, obviously).

For comparison, the dots on Z. filipendulae are often less clearly separated: