JHR 59 - Special issue of the Journal of Hymenoptera Research: Revision of North-Western Palaearctic Pristiphora species

A revision of the North-Western Palaearctic species of Pristiphora Latreille, 1810, has just been published as a special issue of the Journal of Hymenoptera Research, and is now available online:

https://jhr.pensoft.net/issue/1224/