We identified six gall wasp species and 10 parasitoid species in galls from Castanopsis tibetana, Quercus glauca, Quercus fabri, and Quercus variabilis in the four locations (Table 2). The gall wasps Dryocosmus liui, Plagiotrochus glaucus, and Cerroneuroterus sp. did not share the same plant hosts, but Cynips sp. and Andricus sp. were found in galls in different parts of the same plant host species Quercus fabri Hance. Synergus symbioticus was the only gall wasp species found in galls on plant
