| Contributions hyménoptériques. V.– Hymenoptera mellifera americana nova J Vachal (1901) Annales de la Société Entomologique de France 70: 77-82 | |
| New halictine bees from Chile (1918) Canadian Entomologist 50: 343-345 | |
| 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 | |
| A comparative morphological study and generic revision of the augochlorine bees (Hymenoptera: Halictidae) (1969) Kansas University Science Bulletin 48: 325-524 | |
| 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 |