Checklist of British and Irish Hymenoptera - aculeates (Apoidea, Chrysidoidea and Vespoidea) Author Else, George R. Author Bolton, Barry Author Broad, Gavin R. text Biodiversity Data Journal 2016 4 8050 8050 http://dx.doi.org/10.3897/BDJ.4.e8050 journal article http://dx.doi.org/10.3897/BDJ.4.e8050 1314-2828-4-8050 Nysson trimaculatus (Rossi, 1790) Crabro trimaculatus Rossi, 1790 Distribution England, Wales