Examples of galls induced by some of the species treated in this catalogue. Photos are not at the same scale. A. Antistrophus jeanae Tooker & Hanks, 2004 inside Silphium perfoliatum L. stems; B. Diatrophus nebulosus (Osten Sacken, 1861) on Rubus sp. stem; C. Antistrophus laciniatus Gillette, 1891 galls on disc flowers of Silphium laciniatum L.; D. Diplolepis polita (Ashmead, 1890) galls on leaves of Rosa sp.; E. Diplolepis rosaefolii (Cockerell, 1889) galls in leaves of Rosa sp. Photos by Andrew R. Deans