Baeus latrodecti Dozier, 1931:27, ♂♀. Allotype ♀, Damien, Haiti, 1930 (U. S. National Museum, No. 43327, leg. Dozier); Holotype ♂, Damien, Haiti, 1930 (leg. Dozier); Masner & Muesebeck, 1968Masner, L. & C.F.W. Muesebeck 1968. The Types of Proctotrupoidea (Hymenoptera) in the United States National Museum. 270:1-143.:31, Holotype ♂ (USNM, no. 43327). - Alayo, 1973Alayo, P.D. 1973. Catálogo de los Himenopteros de Cuba. Instituto Cubano del libro, La Habana. 1-218. (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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198. (distribution); Zayas, 1982Zayas, F. de 1982. Sección Oligoneoptera - Orden Hymenoptera - Orden Strepsiptera. Editorial Científico-Técnica, Ciudad de la Habana. 1-111. (distribution); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution); Bibbs & Buss, 2012Bibbs, S. & L.J. Buss 2012. Widow Spider Parasitoids Philolema latrodecti (Fullaway) (Insecta: Hymenoptera: Eurytomidae) and Baeus latrodecti Dozier (Insecta: Hymenoptera: Platygastridae). EDIS 2:1-4. (distribution); Perez-Gelabert, 2020Perez-Gelabert, D.E. 2020. Checklist, bibliography and quantitative data of the arthropods of Hispaniola. Zootaxa 4749:1-668. (distribution).
Baeus californicus Pierce, 1939:103, ♂♀. Allotype ♂, El Segundo, Los Angeles County, California (Los Angeles Museum of History, Science and Art, leg. Charles A. Fleschner, Dortohy Pool & W. Dwight Pierce); Holotype ♀, El Segundo, Los Angeles County, California (Los Angeles Museum of History, Science and Art, leg. Charles A. Fleschner, Dortohy Pool & W. Dwight Pierce). - 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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:1160 ( listed as synonym of Baeus latrodecti Dozier, 1931).