[1]
H. H. Dathe, “Studies on the systematics and taxonomy of the genus Hylaeus F. (9) Supplement to the taxonomy and distribution of Afrotropical Hylaeus F. species (Hymenoptera: Anthophila, Colletidae)”., contrib.entomol., vol. 65, no. 1, pp. 9–26, Jun. 2015, doi: 10.21248/contrib.entomol.65.1.9-26.