. . . . . . . . . "Trigona fulviventris" . . "Ferocactus histrix" . . "José Belem Hernández Díaz. 2010. Trigona fulviventris polinizando Ferocactus histrix. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2850572> 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." .