Checklist of British and Irish Hymenoptera - Sawflies, ' Symphyta' Author Liston, Andrew D. Author Knight, Guy T. Author Sheppard, David A. Author Broad, Gavin R. Author Livermore, Laurence text Biodiversity Data Journal 2014 2 1168 1168 http://dx.doi.org/10.3897/BDJ.2.e1168 journal article http://dx.doi.org/10.3897/BDJ.2.e1168 1314-2828-2-1168 Pachynematus annulatus (Gimmerthal, 1834) Nematus annulatus Gimmerthal, 1834 Nematus flavipennis (Cameron, 1876, Nematus ) Pachynematus arcticus (Thomson, 1871): Cameron, 1878 misident. Pachynematus rumicis (Linnaeus, 1758): Fallen , 1808 misident. Pachynematus rumicis : Benson, 1958 Distribution England, Scotland, Ireland