BioStor
 | 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 |
 | An Inordinate Fondness for Things that Sting John T Longino and Gordon C Snelling (2009) Journal of Hymenoptera Research 18: 125-135 |
 | Social Behaviours in Solitary Bees: Interactions Among Individuals in Xeralictus bicuspidariae Snelling (Hymenoptera: Halictidae: Rophitinae) Miriam H Richards and Laurence Packer (2010) Journal of Hymenoptera Research 19: 66-76 |