. . . . . . . . "Megachile malangensis" . "Berkheya sp." . . "Cockerell, T.D.A. 1937. African bees of the genera Ceratina, Halictus and Megachile. 254 pp. William Clowes and Sons, London" . . . . "Eardley C, Coetzer W. 2011. Catalogue of Afrotropical Bees. http://doi.org/10.15468/u9ezbh" .