Reference
Volker Assing (2018): On the taxonomy and zoogeography of some West Palaearctic Quedius species, with a focus on the East Mediterranean and the species allied to Quedius umbrinus and Q. nivicola (Coleoptera: Staphylinidae: Staphylininae) – Linzer biologische Beiträge – 0050_1: 149 - 182.