BioStor
 | Descriptions, &c. of the Insects collected by Captain P P King, John Curtis et al. (1836) Transactions of The Linnean Society of London 17: 315-359 |
 | Descriptions and records of bees, lxxvii (1917) Annals of Natural History London 20: 298-304 |
 | Undescribed crane-flies from Argentina (Tipulidae, Diptera). Part II C P Alexander (1921) Entomological News 32: 72-76 |
 | Expedition of the California Academy of Sciences to the Gulf of California in 1921. The bees (I) T D A Cockerell (1923) Proceedings of the California Academy of Sciences 12: 73-103 |
 | The type species of the genera and subgenera of bees Grace A Sandhouse (1943) Proceedings of the United States National Museum 92(3156): 519-619 |
 | Genus-group names of bees and supplemental family-group names Charles D Michener (1997) Scientific Papers Natural History Museum University of Kansas 1: 1-81 |