Tenthredo duodecimpunctata 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 Linnaeus, 1758 Linnaeus 1758 Macrophya Macrophya duodecimpunctata 0 1168 species duodecimpunctata   Tenthredo duodecimpunctataLinnaeus, 1758  Distribution England, Scotland, Wales, Ireland