Checklist of British and Irish Hymenoptera - Braconidae Author Broad, Gavin R. Author Shaw, Mark R. Author Godfray, H. Charles J. text Biodiversity Data Journal 2016 4 8151 8151 http://dx.doi.org/10.3897/BDJ.4.e8151 journal article http://dx.doi.org/10.3897/BDJ.4.e8151 1314-2828-4-8151 Cotesia tenebrosa (Wesmael, 1837) Microgaster tenebrosus Wesmael, 1837 Cotesia tenebrosa ? arctica (Thomson, 1895, Apanteles ) Distribution England, Scotland Notes Added by Shaw (2007) ; Nixon's ( Nixon 1974 ) arctica encompassed two species that occur in Britain, astrarches and tenebrosa. It is not clear which, if either, the name arctica is associated with. The name astrarches was placed, erroneosly, in synonymy with arctica by Nixon (1974) , which was followed by Huddleston (1978) . Shaw (2007) clarified the status of tenebrosa.