Confidence: I'm as sure as I can be.
Notes: There's about a dozen Tiger Craneflies, and its not possible to run your photo to species (at least, not by me). However it has a dark stigma, black and yellow bands on the abdomen with yellow clearly visible in front of each band, and a largely yellow top to the head, so if we say it has bold black markings on the side of the thorax (which, if we're honest, we can't actually see) then it would be N.flavipalpis. This is a fairly common species. Nephrotoma species live as larvae in soil, but unlike Tipula oleracea and allies are not damaging, and mostly occur in non-cultivated environments.