Reference
Hermann Dollfuss (2020): The Sphecid wasps of the genus Cerceris LATREILLE, 1802 of the "Biologiezentrum Linz"-Collection in Linz, Austria, from the Oriental Region (Hymenoptera, Apoidea, Crabronidae) – Linzer biologische Beiträge – 0052_1: 119 - 125.