. . . . . . . . "Halictus geigeriae" . "Geigeria sp." . . "Cockerell, T.D.A. 1908. Some bees collected by Dr. F.C. Wellman in West Africa. The Entomologist 41: 34-36" . . . . "Eardley C, Coetzer W. 2011. Catalogue of Afrotropical Bees. http://doi.org/10.15468/u9ezbh" .