Tenthredo opaca Tenthredo verna Tenthredo Selandria biloba Selandria Dineura selandriiformis Dineura Checklist of British and Irish Hymenoptera - Sawflies, ' Symphyta' Liston, Andrew D. Knight, Guy T. Sheppard, David A. Broad, Gavin R. Livermore, Laurence Biodiversity Data Journal 2014 2 1168 1168 Fabricius, 1775 Fabricius 1775 Insecta Tenthredinidae Mesoneura GBIF Animalia Mesoneura opaca Hymenoptera 0 1168 Arthropoda species opaca   Tenthredo opacaFabricius, 1775  Tenthredo verna(Klug, 1816, Tenthredo)  Selandria biloba(Stephens, 1835, Selandria)  Dineura selandriiformis(Cameron, 1875, Dineura)  Distribution England, Scotland, Wales, Ireland