Penis valves of Pristiphora. 273 albitibia DEI-GISHym20956 274 frigidaNHRS-HEVA000003861 (arrow indicates a membranous fold near the tip of valvispina) 275 bufo PR.410VV 276 pallida DEI-GISHym31587 277 friesei DEI-GISHym80003 278 subarcticaNHRS-HEVA000003752, paratype (arrow indicates a depression at the apical part of valvispina) 279 laricis DEI-GISHym20917 280 laricis DEI-GISHym31553 281 leucopodia 1f_PR.739VV (arrow indicates broad pseudocepal thickening) 282 nigriceps BC ZSM HYM 10976 (arrow indicates narrow pseudocepal thickening).

 
 
  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