@KimPullen @Illilanga I believe Cardy is correct in their ID but since this would be a new species for CNM and possibly a Significant sighting, I'd like someone more experienced than I to confirm. Thanks Alison
I did an image match and found the Japanese Maple Leafhopper. If it would help, we are more than happy if someone wants to come and have a better look. I can't offer to collect samples and deliver them as we have no car for the next few weeks.