Agapostemon alayoi Roberts, 1972:461, ♀. Holotype ♀, Port au Prince, Haiti, 1925 (United States National Museum, Washington, D.C., Acc. 1007-25, leg. G.N. Wolcott). - Genaro, 2007Genaro, J.A. 2007. Las abejas (Hymenoptera: Apoidea: Anthophila) de la Hispaniola, Antillas. Boletín de la Sociedad Entomológica Aragonesa 40:247-254. (distribution); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution); Perez-Gelabert, 2020Perez-Gelabert, D.E. 2020. Checklist, bibliography and quantitative data of the arthropods of Hispaniola. Zootaxa 4749:1-668. (distribution).
Agapostemon hispaniolicus Roberts, 1972:484, ♂♀. Holotype ♂, Port-au-Prince, Haiti, 3-X 1934 (Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, leg. Darlington). - Roberts, 1972Roberts, R.B. 1972. Revision of the bee genus Agapostemon (Hymenoptera: Halictidae). The University of Kansas Science Bulletin 49 (9):437-590. (distribution); Genaro, 2007Genaro, J.A. 2007. Las abejas (Hymenoptera: Apoidea: Anthophila) de la Hispaniola, Antillas. Boletín de la Sociedad Entomológica Aragonesa 40:247-254.:249 ( listed as synonym of Agapostemon alayoi Roberts, 1972); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution); Perez-Gelabert, 2020Perez-Gelabert, D.E. 2020. Checklist, bibliography and quantitative data of the arthropods of Hispaniola. Zootaxa 4749:1-668. (distribution).