A small planthopper associated with dry grasslands.  The vertex is obtusely pointed, and the frons has one median unforked keel throughout.  Males are dark with a pale band towards the end of the abdomen, and paler foreparts.  Females are pale all over.  Identification can be confirmed by dissection of male genitalia.

Photographs of a male specimen

Dry grassland

Locally common (ref: Auchenorrhyncha, UK checklist updated 2021, https://www.britishbugs.org.uk/systematic_auc.html)

Not known - probably under-recorded

https://www.britishbugs.org.uk/homoptera/Delphacidae/Delphacinus_mesomelas.html