New insights into the taxonomy of the Hylaeus xanthostoma complex and further additions to the African Hylaeus fauna (Hymenoptera, Anthophila, Colletidae) Author Dathe, Holger H. https://orcid.org/0000-0001-7150-3850 Senckenberg Deutsches Entomologisches Institut, Eberswalder Strasse 90, 15374 Muencheberg, Germany holger.dathe@senckenberg.de text Contributions to Entomology 2023 2023-07-12 73 1 67 93 http://dx.doi.org/10.3897/contrib.entomol.73.e102655 journal article http://dx.doi.org/10.3897/contrib.entomol.73.e102655 2511-6428-1-67 77E4C4200B0149B8B634CAB943BD7397 1B728092DD735B12BF57D6F6E2E5AA34 Hylaeus (Alfkenylaeus) arnoldi (Friese, 1913) Prosopis arnoldi Friese 1913 : 574. ♂, Zimbabwe. Holotype ZMB. Hylaeus (incertae sedis) Hylaeus arnoldi (Friese) - Snelling (1985 : 18). Hylaeus (Alfkenylaeus) arnoldi (Friese) - Dathe (2015 : 13). Distribution. Botswana, Kenya, Mozambique, Namibia, Zimbabwe. New to ETHIOPIA: 1 ♀, Sof Umer, 06°54'N , 40°51'E , 1200 m alt., 30-31.V.2025 J. Halada leg.