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However, looking here, would you still suggest Aceria nervisequa..?
Have a great 2013..
An iSpot Project- HELP WITH IDS - UK & Ireland Community - PLANTS
Of the limited number of gall-producing organisms which attach beech (Fagus) this seems the most likely, particularly from your 3rd photo.
Beech galls that I have found on the net.
Aceria nervisequa - underside only - irregular shape - appearance, white.
Eriophes nervisequus fagineus - underside only - irregular shape - appearance, red.
Beech leaf gall midge (Mikiola fagi (HTG.)) - iregular shape - both sides.
Beech hair gall Hartigiola annulipes A Midge - irregular shape - both sides.
The depicted galls:
Upper side, center spot, concave, white, as is the area within the fairly uniform raised process. Outer base of raised process spreading to form irregular shape.
Underside: The overall upper side irregular shape follows through to the underside. It is raised with a grayish, raised, roughly centered process, which it self has a tiny black center process.
What more can I add, other than they don't conform to the above named species.
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