. . . . . . . . . "Probergrothius angolensis" . . "Vachellia" . . "Adam Martinez. 2017. Probergrothius angolensis insect host plant Vachellia. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6040407> 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." .