. . . . . . . . . "Cynips longiventris" . . "Quercus robur" . . "Quentin Groom. 2017. Cynips longiventris host plant Quercus robur. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/7736722> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .