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 Euura atra (Jurine, 1807) Pteronus ater Jurine, 1807 Distribution England, Scotland, Wales, Ireland Notes Regarded as a group of sibling (biological) species by Kopelke (1996) , Kopelke (2000) . These are very difficult, perhaps impossible, to distinguish using adult morphological characters. According to records of galls on various identified Salix species, at least the following three species belonging to the group occur in the British Isles: Euura auritae , Euura purpureae and Euura weiffenbachii .