BioStor
 | Zur Hymenopteren-Fauna der Umgegend von Frankfurt a. M F Jaennicke (1867) Berliner Entomologische Zeitschrift 11: 141-155 |
 | XIII. On the classification of British Crabronidae (Hymenoptera) R C L Perkins (1913) Transactions of The Royal Entomological Society of London 61: 383-398 |
 | The generic names of the sphecoid wasps and their type species (Hymenoptera: Aculeata) V S L Pate (1937) Memoirs of the American Entomological Society 9: 1-103 |
 | Hymenoptera from Turkey. Sphecidae. 1. With appendix Sphex Linné, subgenus Palinodes Kohl, by P. Roth J De Beaumont (1967) Bulletin of the British Museum (Natural History) Entomology 19(5): 251-382 |