Reference

Hagen Andert (2010): Hymenoptera-type material of Philipp Adolph Schenck in the Natural History Collection of the Museum Wiesbaden (MWNH) (Insecta: Hymenoptera: Apidae, Sphecidae s. l., Pompilidae). – Bembix - Zeitschrift für Hymenopterologie – 30: 2 - 11.