Macro of Galls or cecidia outgrow of Galls wasp eggs on the surface of Fagus leaves, parasite larval development. Photo taken in Poland. Animal Themes Beech Cecidia Cecydium Close-up Cynipida Eggs Fagus Fly Galas Gall Gallflies Galls Green Color Growth Insect Insects  Leaf Nature No People Parasite Plant Puckering Wasp Wasps