Matches the description for the gall of Dasineura fraxini in British Plant Galls
No interactions present.
Good to see top and bottom Keith
I am determined to keep with my resolution and offer support or encouragement for obscure (I probably mean unpopular) subjects.
I do think more of us should seek out Other Observations (of our own posts) and offer supportive comment or agreement where reasonable.
See the leading European site for such galls http://www.bladmineerders.nl/gallen/diptera/dasineura/fraxini/fraxini.htm
Lat/Lng: 52.6436, -2.4803
OS grid ref: SJ675052