The study presented the species which induce galls, identified in Tinca area during 2003-2017. These species (93) belongs to different taxonomic groups: insects, acari, fungus. The biggest percentage is held by insects - 76 species, followed by Acari - 11 species and Fungus - 6 species. The most represented family is Cynipidae - 36 species. The distribution of the orders of gall inducting insects is the next - Diptera-39 species, Hymenoptera - 30 species, Homoptera - 6 species, Coleoptera - 1 species. Within the fungi, the distribution is the following: Ascomycetae - 1 species, Erysiphaceae - 1 species, Peronosporaceae - 2 species, Hypocreaceae - 1 species, Pucciniaceae - 1 species.