1987

• Alexander, B.A., and Rozen, J.G. 1987. Ovaries, ovarioles, and oocytes in parasitic bees. Pan-Pacific Entomologist 63: 155-164.

1990

• Alexander, B.A. 1990. A cladistic analysis of the nomadine bees. Systematic Entomology 15: 121-152.

1991

• Alexander, B. A. 1991. Phylogenetic analysis of the genus Apis. Annals of the Entomological Society of America 84: 137-149.

• Alexander, B. A. 1991. Nomada phylogeny reconsidered. Journal of Natural History 25: 315-330.

• Alexander, B. A. 1991. A cladistic analysis of the genus Apis, pp. 1-28 in D. R. Smith, ed., Diversity in the Genus Apis. Boulder, Colo.: Westview Press.

1992

• Alexander, B. A. 1992. An exploratory analysis of cladistic relationships within the superfamily Apoidea, with special reference to sphecid wasps. Journal of Hymenoptera Research 1: 25-61.

1994

• Alexander, B. A., and Schwarz, M. 1994. A catalog of the species of Nomada (Hymenoptera: Apoidea) of the world. University of Kansas Science Bulletin 55: 239-270.
• Alexander, B. A. 1994. Species-groups and cladistic analysis of the cleptoparasitic bee genus Nomada. University of Kansas Science Bulletin 55: 175-238.

1995

• Alexander, B. A., and Michener. C.D. 1995. Phylogenetic studies of the families of short-tongued bees. University of Kansas Science Bulletin 55: 377-424.

1996

• Alexander, B. A. 1996. Comparative morphology of the female reproductive system of nomadine bees. Memoirs of the Entomological Society of Washington no. 17: 14-35.
• Alexander, B. A., Michener, C.D. and Gardner, A.L.. 1998. Dasypodidae Börner, 1919 (Insecta, Hymenoptera): Proposed emendation of spelling to Dasypodaidae, so removing the homonymy with Dasypodidae Gray, 1821 (Mammalia, Xenarthra). Bulletin of Zoological Nomenclature 55: 24-28.