Alcidamea producta Cresson, 1864:386, ♂. Holotype ♂, Virginia (Ent. Soc. Phila.). - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Cockerell, 1935Cockerell, T.D.A. 1935. New records of bees. American Museum Novitates 766:1-8. (distribution); Michener, 1936Michener, C.D. 1936. Some North American Osmiinae (Hymenoptera, Apoidea). American Museum Novitates 875:1-30. (distribution). - As Hoplitis producta producta: - Michener, 1947Michener, C.D. 1947. A revision of the american species of Hoplitis (Hymenoptera, Megachilidae). Bulletin of the American Museum of Natural History 89:257-318. (distribution); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557. (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).
Autochelostoma canadensis Sladen, 1916:270 - Michener, 1947Michener, C.D. 1947. A revision of the american species of Hoplitis (Hymenoptera, Megachilidae). Bulletin of the American Museum of Natural History 89:257-318.:289 ( listed as synonym of Hoplitis producta producta (Cresson, 1864)); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557.:62 ( listed as synonym of Hoplitis producta producta (Cresson, 1864)); 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.:2018 ( listed as synonym of Hoplitis producta producta (Cresson, 1864)).
Alcidamea helenae Cockerell, 1934:6, ♂. ♂, Colorado: Gregory Canyon, Boulder, May 5, 1934 (The American Museum of Natural History, leg. Helen James). - Michener, 1947Michener, C.D. 1947. A revision of the american species of Hoplitis (Hymenoptera, Megachilidae). Bulletin of the American Museum of Natural History 89:257-318.:289 ( listed as synonym of Hoplitis producta producta (Cresson, 1864)); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557.:62 ( listed as synonym of Hoplitis producta producta (Cresson, 1864)); 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.:2018 ( listed as synonym of Hoplitis producta producta (Cresson, 1864)).