. . . . . . . . . "Rhinocyllus conicus" . . "Carduus acanthoides" . . "christine123. 2016. Rhinocyllus conicus insect host plant Carduus acanthoides. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6847859> 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." .