Clearly a Zygaena, related to the Burnets, but which one? The forewing looks as though it might be a little translucent so I'm thinking a Transparent Burnet, maybe?
No interactions present.
Crumbs, Michael, did you wade all the way through that large collection? Bravo and many thanks! Yes, I agree, that looks like a good match. Serves me right for having only a Moths of Britain and Ireland book. :))
Lat/Lng: 44.8201, 1.7566
A mixed, modestly sized nature reserve including marsh, grassland and woodland.