[1] Neuroterus reaumuri, N. vesicator, Spathegaster vesicatrix, Cynips numismalis, and C. quercus-tiarae are previous binomials found in the literature.

[1] The female wasp of the bisexual generation is about 1.8–2.4 mm in length; largely brown in colour with clear wings and hairy legs.

[3] In late summer the agamic generation develops in the circular, golden brown, raised, and disc-shaped structure, known as a 'silk button spangle gall'.

[4] Synergus albipes is an inquiline on the blister gall, while common hyperparasites include Aulogymnus arsames, Aprostocetus aethiops, Eurytoma brunniventris, Mesopolobus fasciiventris, M. fuscipes, M. sericeus, M. tibialis and Torymus flavipes.

[3] Silk button galls also have Synergus albipes as an inquiline and examples of hyperparasites include; Aulogymnus gallarum, Mesopolobus fasciventris, M. tibialis, Pediobius lysis and Torymus flavipes.