BioStor
 | 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 |
 | Descriptions and records of Bees, &e (1921) Annals of Natural History London 7: 201-212 |
 | Notes on the structure of Bees (1924) Proceedings of The Entomological Society of Washington 26: 77-85 |
 | 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 |
 | Zur Verbreitung der Bienengattung Andrena F. in Tunesien (Hymenoptera, Apidae) (1980) Mitteilungen Muenchener Entomologischen Gesellschaft 70: 65-87 |
 | Community structure of flower-visiting insects in different grassland types in Southwestern Germany (Hymenoptera, Apoidea, Lepidoptera, Diptera) A Kratochwil (1989) Spixiana 12: 289-302 |
 | Nest distribution of the solitary bee Andrena macra Mitchell (Hymenoptera: Andrenidae), with observations on nest structure E W Riddick (1992) Proceedings of the Entomological Society of Washington 94: 568-575 |
 | 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 |