Tachysphex alayoi Pulawski, 1974:84, ♂♀. Holotype ♀, Cuba, Juraguya, May 1955 (USNM, leg. F. de Zayas); Pulawski, 1988Pulawski, W.J. 1988. Revision of North American Tachysphex wasps including Central American and Caribbean species (Hymenoptera: Sphecidae). Memoirs of the California Academy of Sciences 10:1-211.:198, Holotype ♀ (USNM). - Alayo, 1976Alayo, P.D. 1976. Introducción al estudio de los Himenópteros de Cuba - Superfamilia Sphecoidea. Academia de Ciencias de Cuba, Instituto de Zoologia, Serie Biologica 67:1-46. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Elliott et al., 1979Elliott, N., F. Kurczewski, S. Claflin, & P. Salbert 1979. Preliminary annotated list of the wasps of San Salvador Island, The Bahamas, with a new species of Cerceris (Hymenoptera: Tiphiidae, Scoliidae, Vespidae, Pompilidae, Sphecidae). Proceedings of the Entomological Society of Washington 81 (3):352-365. (distribution); Pulawski, 1988Pulawski, W.J. 1988. Revision of North American Tachysphex wasps including Central American and Caribbean species (Hymenoptera: Sphecidae). Memoirs of the California Academy of Sciences 10:1-211. (distribution); Snelling, 1992Snelling, R.R. 1992. Guana and Mona Islands. Sphecos 23:12-14. (distribution); Elliott, 1992Elliott, N.B. 1992. Wasps of the Bahamas (Hymenoptera: Scoliidae, Tiphiidae, Pompilidae, Vespidae, Sphecidae). Proceedings of the fourth Symposium on the Natural History of the Bahamas :41-48. (distribution); Snelling, 1993Snelling, R.R. 1993. Guana Island - 1992. Sphecos 24:17-19. (distribution); Askew, 1994Askew, R.R. 1994. The Insects of the Cayman Islands. In: Brunt, M.A. & Davies J.E. (Ed.). The Cayman Islands. Natural History and Biogeography. . (distribution); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139. (distribution); Portuondo Ferrer & Fernández Triana, 2004Portuondo Ferrer, E. & J.L. Fernández Triana 2004. Biodiversidad del orden Hymenoptera en los macizos montañosos de Cuba oriental. Boletín de la Sociedad Entomológica Aragonesa 35:121-136. (distribution); Genaro, 2004Genaro, J.A. 2004. Notas sobre las presas y conducta de nidificación de algunas especies de esfécidos (Hymenoptera: Spheciformes: Crabronidae, Nyssonidae). Cocuyo 14:18-19. (distribution); Snelling, 2005Snelling, R.R. 2005. Wasps, ants, and bees: Aculeate Hymenoptera. In: Lazell, J. (Ed.). Island: Fact and Theory in Nature. 283-296. (distribution); Fong et al., 2005 2005. Cuba: Parque Nacional 'Alejandro de Humboldt'. Rapid Biological Inventories Report 14. The Field Museum, Chicago. 1-368. (distribution); Fong et al., 2005 2005. Cuba: Siboney-Juticí. Rapid Biological Inventories Report 10. The Field Museum, Chicago. 1-209. (distribution); Genaro, 2006Genaro, J.A. 2006. Checklist and distribution patterns of apoid wasps (Hymenoptera: Apoidea: Sphecidae and Crabronidae) of Cuba. Zootaxa 1171:47-68. (distribution); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution); López Rojas, M., 2012López Rojas, M. 2012. Fauna de insectos en cayos del golfo de Ana María, Cuba. Revista de Investigaciones Marinas 32 (2):66-72. (distribution); Medina, 2016Medina Rosa, J.R. 2016. Avispas de Puerto Rico - Hymenoptera: Symphyta, Apocrita (Aculeata). Ediciones Digitales, 1-23. (distribution); Perez-Gelabert, 2020Perez-Gelabert, D.E. 2020. Checklist, bibliography and quantitative data of the arthropods of Hispaniola. Zootaxa 4749:1-668. (distribution).