Auteur(s)	Notton, D.G. and Dathe, H.H.
Jaar	2008
Titel	William Kirby's types of Hylaeus Fabricius (Hymenoptera, Colletidae) in the collection of the Natural History Museum, London,Journal of Natural History,42:27,1861-1865

• Hylaeus (Lambdopsis) annularis
• Hylaeus (Lambdopsis) dilatatus