Ruby Tailed Wasp
No interactions present.
It *could* be Chrysis ignita but I don't think there's any way to be certain from a photo, unfortunately. For more about the complexities of identifying species of Chrysis see Michael Archer's documents on the BWARS website:
Entomologist and biological recorder
Will have a look at that...
An iSpot Project- HELP WITH IDS - UK & Ireland Community - PLANTS
Lat/Lng: 53.2076, -0.5576
OS grid ref: SK964688
Boultham Park, Lincoln