Length 4 to 4.7 mm. E. loewii is variable in colour, but often shows a striking dark arc on the forewing. 

If the pattern of dark markings on the wing veins is absent, the species can closely resemble Eurhadina concinna and E. ribauti.  

dark arcs on wings without arcs

Photograph showing dark arcs on wings; state host plant.  If the dark arcs are missing, genitalia dissection of males is required.

Sycamore, occasionally Field Maple

Adult: June-September

Common (ref: UK Auchenorrhyncha checklist 2021)

Occasional; few records

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