The first was encountered before reaching the reserve.
Bedeguar galls on dog rose near Byfield Pool.
27 August, 2018
A couple of Ramshorn Galls can be seen a little below the Marble Galls.
Byfield Pool, 27 August, 20118
Oxyporus latemarginatus? Perhaps, but I cannot be sure.
Byfield Pool. 27 August, 2018