Drosophila suzukii
I'm not sure if any of the other fruit flies have similar dark spots on the wings, so I keyed this one out fully using Mike Hackston's key to Drosophilidae. The second photo shows the sex combs at the tips of the basal two segments of the fore tarsus.
, Elmham churchyard, 6-Dec-21 (A) (2).jpg)
, Elmham churchyard, 6-Dec-21 (A) (3).jpg)
male Drosophila suzukii, St Mary's Churchyard, North Elmham (Norfolk, UK), 6th December 2021