. . . . . . . . . "Simosyrphus grandicornis" . . "Euphorbia hirta" . . "Richard Fuller. 2017. Simosyrphus grandicornis plant that the organism was found on Euphorbia hirta. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/8855159> 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." .