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 Pristiphora (Pristiphora) staudingeri (Ruthe, 1859) Nematus staudingeri Ruthe, 1859 Pristiphora circularis Kincaid, 1900 Pristiphora? hyperborea Malaise, 1921 Pristiphora asperlatus Benson, 1935 Distribution England, Scotland, Wales, Ireland Notes Pristiphora hyperborea was recorded as British by Benson (1935) , but later treated by him as a synonym of Pristiphora staudingeri . V. Vikberg considers Pristiphora hyperborea to represent a valid species (see Zhelochovtsev 1988 ). Probably both species occur in the British Isles.