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 Apsilops aquaticus (Thomson, 1874) Trichocrytus aquaticus Thomson, 1874 napiformis (Rudow, 1882, Cryptus ) Distribution England