Length 6.5 to 8 mm.  A large pale leafhopper with a distinctve dark line across the front of the vertex, connecting the eyes.

Good photos in the field or from a specimen, showing vertex

grassland.

Adult: June to September.

Feeds on grasses.

Common.  Historically considered scarce and confined to coastal areas in the south-east, this species has now become established inland across parts of central and southern England. (ref.  (ref.: UK Auchenorrhyncha checklist 2021 and British Bugs webpage for the species; link below)

Occasional

https://www.britishbugs.org.uk/homoptera/Cicadellidae/Athysanus_argentarius.html