. . . . . . . . . "Longitarsus jacobaeae" . . "Jacobaea vulgaris" . . "Pete McGregor. 2014. Longitarsus jacobaeae interaction->herbivore of Jacobaea vulgaris. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1000934> 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." .