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 Ectemnius (Ectemnius) borealis (Zetterstedt, 1838) Crabro borealis Zetterstedt, 1838 bipunctatus (Zetterstedt, 1838, Crabro ) nigrinus ( Herrich-Schaeffer , 1841, Crabro ) parvulus (Packard, 1866, Crabro ) gredleri (Kohl, 1878, Lindenius ) proletarius (Mickel, 1916, Crabro ) Distribution England