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 Gelis discedens ( Foerster , 1850) Pezomachus discedens Foerster , 1850 vagans misident. calvus ( Foerster , 1850, Pezomachus ) quaesitorius ( Foerster , 1850, Pezomachus ) collaris (Rudow, 1917, Pezomachus ) exareolatus (Rudow, 1917, Pezomachus ) preocc. potentillae (Rudow, 1917, Pezomachus ) psychidum (Rudow, 1917, Pezomachus ) nigrithorax (Habermehl, 1920, Pezomachus ) Distribution England, Scotland, Wales