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The only difficulty with the image is the larva is backlit. Hard to see its body colouration but the dark top with pale lateral stripes that would suggest Buff Ermine dont appear to be there?
Ruby Tiger is a distinct possibility- good possibility.
I had a closer look but could only see orange on him, no other colours :/
Lat/Lng: 51.3766, -2.44
OS grid ref: ST694642