. . . . . . . . . "Episyrphus balteatus" . . "Scabiosa atropurpurea" . . "Tig. 2016. Episyrphus balteatus nectar plant Scabiosa atropurpurea. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4129062> 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." .