A warm sunny day and masses of the beatles appeared in a grass verge
No interactions present.
I thought there were only two left and they don't speak to each other.
Having been home and consulted the keys, I think it is too hairy for Hoplia philanthus and lacks the large tibial teeth of Omaloplia, so yes, that leaves Phyllopertha horticola.
Lat/Lng: 56.7448, -3.7785
OS grid ref: NN913628