174–175 Dryocosmus pentagonalis: 174 head, female, dorsal view 175 head, male, frontal view. 176–177 D. triangularis: 176 head, female, dorsal view 177 head, male, frontal view 178–179 D. pentagonalis, female: 178 mesoscutellum, dorsal view 179 mesosoma, lateral view, part 180–181 D. testisimilis, female: 180 central propodeal area, posterior view 181 mesoscutum, dorsal view (dms=disc of mesoscutellum, not=notaulus).

 
 
  Part of: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890