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 Sirex juvencus (Linnaeus, 1758) Ichneumon juvencus Linnaeus, 1758 Sirex nigricornis Acerbi, 1802 Sirex dubia W. F. Kirby, 1882 Distribution England, Scotland, Wales Notes Sirex atricornis is considered to be a valid species ( Schiff et al. 2012 ), which may occur in Scotland ( Viitasaari and Midtgaard 1989 ).