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 Mimumesa unicolor (Vander Linden, 1829) Psen unicolor Vander Linden, 1829 borealis (Dahlbom, 1842, Mimesa ) palliditarsis (Saunders, 1904, Mimesa ) oresterus (van Lith, 1976, Psen ) Distribution England Notes added by Else and Felton (1994)