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 Mesochorus arenarius (Haliday, 1839) Cryptus arenarius Haliday, 1839 nigripes Ratzeburg, 1852 Horstmann (2006b) melas Fonscolombe, 1852 gibbulus Holmgren, 1856 Distribution England, Scotland, Ireland