Literature
Auteur(s) Dathe, H.H.
Jaar 2013
Titel Hylaeus kahri. The IUCN Red List of Threatened Species 2013: e.T19199447A19881932. Downloaded on 15 January 2018.Tomozei, B., 2008 - Checklist of Bees of the genera Colletes Latreille 1930 and Hylaeus Fabricius 1793 of Romania (Hymenoptera: Apiformes: Colletidae) Faunistic Entomology – Entomologie faunistique 2008 61 (3), 87-97