BioStor
 | XLV.—Observations on the synonymy of the genus Nomada of Fabricius, belonging to the family of cuckoo or parasitic bees Frederick Smith (1849) Annals And Magazine of Natural History 4: 436-441 |
 | Dritter Beitrag zur Fauna Dalmatiens, nebst einer ornithologischen Notiz Frauenfeld (1861) Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 11: 97-110 |
 | IX. Hymenoptera aculeata collected in Algeria by the A E Eaton, Francis David Morice and Edward Saunders (1908) Transactions of The Royal Entomological Society of London 56: 177-274 |
 | Plates R C L Perkins (1919) Transactions of The Royal Entomological Society of London 67: 218-319 |