. . . . . . . . . "Probergrothius angolensis" . . "Welwitschia mirabilis" . . "Jeremy Roberts. 2015. Probergrothius angolensis insect host plant Welwitschia mirabilis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4460513> 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." .