Ribautiana ulmi
The first clue to this leafhopper's identity was that it was taken off Elm. At 3.85mm long it was larger than the other Ribautiana species I'd seen before, and also differs in having the pair of dark spots on the vertex and one at the front of the pronotum.
, Elmham churchyard, 16-Jul-21 (A) (1).jpg)
, Elmham churchyard, 16-Jul-21 (A) (2).jpg)
female Ribautiana ulmi, St Mary's churchyard, North Elmham (Norfolk, UK), 16th July 2021