BioStor
 | Descriptions of new species of wasps with notes on described species S A Rohwer (1911) Proceedings of the United States National Museum 40: 551-587 |
 | 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 |
 | Notes On North American Stigmus Hymenoptera Sphecoidea K V Krombein (1973) Proceedings of The Biological Society of Washington 86: 211-229 |