Checklist of British and Irish Hymenoptera - Ichneumonidae Author Broad, Gavin R. text Biodiversity Data Journal 2016 4 9042 9042 http://dx.doi.org/10.3897/BDJ.4.e9042 journal article http://dx.doi.org/10.3897/BDJ.4.e9042 1314-2828--9042 Ctenochares bicolorus (Linnaeus, 1767) Ichneumon bicolorus Linnaeus, 1767 instructor (Fabricius, 1793, Ichneumon ) deustor (Thunberg, 1824, Ichneumon ) rufator (Thunberg, 1824, Ichneumon ) apicalis (Wiedemann, 1824, Ichneumon ) apicalis ( Brulle , 1846, Joppa ) xanthomelas ( Brulle , 1846, Ichneumon ) Notes Added by Jones (2001) ; possibly inadvertently introduced, as this is a widespread species in the Old World tropics, but it is known from as far north as Spain (M.R. Shaw, pers. comm.).