Polistes heads in frontal view. 13 P. foederatus (Greece) 14 P. gallicus (Spain) 15 P. gallicus (Italy) 16 P. maroccanus sp. n. 17 P. mongolicus (Greece) 18 P. mongolicus (Croatia) 19 P. mongolicus (Croatia) 20 P. nimpha (Germany), 21 P. nimpha (Turkey), 22 P. nimpha (Turkey) 23 P. nimpha (Turkey), 24 P. semenowi.

 
 
  Part of: Schmid-Egger C, van Achterberg K, Neumeyer R, Morinière J, Schmidt S (2017) Revision of the West Palaearctic Polistes Latreille, with the descriptions of two species – an integrative approach using morphology and DNA barcodes (Hymenoptera, Vespidae). ZooKeys 713: 53-112. https://doi.org/10.3897/zookeys.713.11335