Lancets of Pristiphora. 174 friesei DEI-GISHym11557 175 friesei, holotype of atrata 176 friesei lectotype 177 laricis PR.207VV 178 laricis PR.208VV.

 
 
  Part of: Prous M, Kramp K, Vikberg V, Liston A (2017) North-Western Palaearctic species of Pristiphora (Hymenoptera, Tenthredinidae). Journal of Hymenoptera Research 59: 1-190. https://doi.org/10.3897/jhr.29.12656