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 Bombus (Thoracobombus) sylvarum (Linnaeus, 1761) Apis sylvarum Linnaeus, 1761 nigrescens Perez , 1879 distinctus Vogt, 1909 Distribution England, Scotland, Wales, Ireland