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 1314-2828-4-9042 Syzeuctus Foerster , 1869 DICERATOPS Foerster , 1869 SYZEUCTA Thomson, 1889 Notes Species of Syzeuctus excluded from the British and Irish list: [irrisorius (Rossius, 1794, Ichneumon )] Brock (in prep.) found no British specimens of irrisorius.