Common Spangel Gall

Observation - Common Spangel Gall - UK and Ireland. Description: Disc shaped, about 2-3mm in diameter and off-white in colour. Centres of disc about 1mm thick, whereas edges of disc was much thinner. Many items attached to the underside of decaying oak leaves. Very easily separated from leaf, with no apparent sign of t

Disc shaped, about 2-3mm in diameter and off-white in colour. Centres of disc about 1mm thick, whereas edges of disc was much thinner. Many items attached to the underside of decaying oak leaves. Very easily separated from leaf, with no apparent sign of their attachment. Many loose examples in patches on the ground adjacent to oak trees too. No obvious "contents" when broken open. Woodland next to river and waterfalls