Coelioxys apacheorum Cockerell, 1900:299 - Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Cockerell, 1921Cockerell, T.D.A. 1921. Some parasitic Megachilid bees of the Western United States. American Museum Novitates 21:1-11. (distribution); Cockerell, 1925Cockerell, T.D.A. 1925. Bees of the genus Coelioxys in the collection of the California Academy of Sciences. Pan-Pacific Entomologist 1 (4):145-151. (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).
Coelioxys fragariae Cockerell, 1912:167 - Cockerell, 1921Cockerell, T.D.A. 1921. Some parasitic Megachilid bees of the Western United States. American Museum Novitates 21:1-11. (distribution); Cockerell, 1925Cockerell, T.D.A. 1925. Bees of the genus Coelioxys in the collection of the California Academy of Sciences. Pan-Pacific Entomologist 1 (4):145-151. (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.:2080 ( listed as synonym of Coelioxys apacheorum Cockerell, 1900).
Coelioxys quercina Cockerell, 1912:167 - Cockerell, 1925Cockerell, T.D.A. 1925. Bees of the genus Coelioxys in the collection of the California Academy of Sciences. Pan-Pacific Entomologist 1 (4):145-151. (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.:2080 ( listed as synonym of Coelioxys apacheorum Cockerell, 1900).