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Fantastic photograph Dioctria keep up the good work!
Great close-up! The spot on the face looks slightly larger than in Chinery or Richards' RES handbook. If it is genus Dolichovespula, then the facial colour (yellow with black dot) makes it D. sylvestris.
Looking at your photos, the pronotum looks to have a weak longitudinal ridge towards the side, and the edge of the mandible appears more-or-less straight. These features are in Dolichovespula not Vespula, so I think you're right,
With these photos, the best way of separating Vespula from Dolichovespula is to look at the malar space - the gap between the base of the mandible and the eye. With Vespula the gap is small, much less half the width of the base of the mandible, with Dolichovspula it is large, over half the width of the mandible base.
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Many thanks for the kind comments and detailed explanations to suppoort the ID.
Lat/Lng: 52.5, -1.2
OS grid ref: SP5497