Length 3 to 4 mm. A small greenish leafhopper. There are two short dark streaks at the tip of the vertex, and the frons (face) does not have a central longitudinal pale streak. 

Arthaldeus striifrons and A arenarius both have a pale longitudinal streak down the frons.  A striifrons has been recorded in VC55

Good quality photographs showing vertex, and if possible, the face (frons). 

Dry grasslands.

Adult: June to November.

Common. (ref.: UK Auchenorrhyncha checklist 2021 on British Bugs website)

Frequent

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