A couple of Box (Buxus sempervirens) plants were introduced to the site last year. Here is an aphid gall on one of them.
If this is the same as Psylla buxi I think I agree.
Other box galls/diseases at
Yes, that's the one.
From the British Plant Gall Society's list:
Spanioneura buxi (L.) (= Psylla buxi) Hemiptera: Psylloidea BUXUS Aphid
The white flecks/dots in the image are the Psyllid nymphs, the browning of the leaves are the damage they cause by sucking them dry. Check here note no galls.
An iSpot Project- HELP WITH IDS - UK & Ireland Community - PLANTS
Why iSpot cant come to terms that the site needs a good, good, goooood clean up!! is mind boggling. The taxon tree uses one name and the carousel another, how confusing is that for aspiring entomologists.
Lat/Lng: 55.4737, -3.2026
OS grid ref: NT240206