O. Merkl szerk.: Folia Entomologica Hungarica 67. (Budapest, 2006)

Figs. 19-27. Andricus polycerus (GlRAUD, 1869): 19 = head, frontal view, 20 = head, dorsal view, 21 = antenna, 22 = scutum and scutellum, dorsal view, 23 = mesosoma, lateral view, 24 = part of dorsellum and propodeum, dorsal view, 25 = metasoma, lateral view, 26 = dissected gall with visible central larval chamber, 27 = dissected gall with multiple chambers of cynipid inquilines