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 (Deranchylaeus) gessianus Dathe, 2014 Hylaeus (Deranchylaeus) gessianus Dathe, 2014: 41. ♂♀, Namibia, South Africa. Holotype ♂ Albany Museum, Grahamstown. Distribution. Namibia, South Africa. New records: NAMIBIA: 2 ♂, Karas prov., 80 km N Aus, 26°05'S , 16°37'E , 1550 m alt., 01.IV.2017, J. Halada leg.; 1 ♀, 15 km E Swakopmund, 04.II.1993, J. Gusenleitner leg.