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(Vespula vulgaris)
In my eyes it is not possible to get a safe separation between Vulgaris and Germanica from a dorsal view. You need a direct shot of the head and even better a macro shot of the teeth of the wasp. This is the only reliable way to separate Vulgaris and Germanica. They are both very common and the markings are for both more or less the same, meaning both have within both species very similar patterns. Personally I can't separate them.
I believe this is actually Vespula germanica, not Vespula vulgaris as you have it labeled. Compare the body markings to the photo on Wikipedia for Vespula germanica - I think you'll agree that this one is a only a cousin to vulgaris.
Cicada killer. Is a type of Hornet that lives in the ground. They attack cicadas midair and drag them back to their nests to feed their young