Literature
Auteur(s) Else, G. R., Bolton, B. & Broad, G. R.
Jaar 2016
Titel Checklist of British and Irish Hymenoptera – aculeates (Apoidea, Chrysidoidea and Vespoidea). Biodiversity Data Journal 4: 1–188. doi:10.3897/BDJ.4.e8050.