Heriades denticulatum Cresson, 1878:108, ♂. ♂, Colorado (leg. Morrison); Michener, 1939Michener, C.D. 1939. A revision of the genus Ashmeadiella (Hymen., Megachilidae). The American Midland Naturalist 22 (1):1-84.:20, Type ♂ (Academy of Natural Sciences of Philadelphia). - Robertson, 1897Robertson, C. 1897. North American bees - Descriptions and synonyms. Transactions of the Academy of Science of St. Louis 7 (14):315-356.:347 ( listed as synonym of Heriades bucconis (Say, 1837)). - As Ashmeadiella bucconis denticulata: - Michener, 1939Michener, C.D. 1939. A revision of the genus Ashmeadiella (Hymen., Megachilidae). The American Midland Naturalist 22 (1):1-84. (distribution); Michener, 1949Michener, C.D. 1949. Records and descriptions of american Megachilid bees (Hymenoptera). Journal of the Kansas Entomological Society 22 (2):41-59. (distribution); Michener, 1951Michener, C.D. 1951. Records and descriptions of Megachilid bees from Texas (Hymenoptera). The Pan-Pacific Entomologist 27 (2):61-71. (distribution); Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247. (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). - As Ashmeadiella denticulata: - Michener, 1936Michener, C.D. 1936. Some North American Osmiinae (Hymenoptera, Apoidea). American Museum Novitates 875:1-30. (distribution). - As Heriades denticulatus: - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution).
Heriades rotundiceps Cresson, 1879:205, ♀.Nevada (leg. Morrison);Oregon (leg. Edwards); 10 ♀♀. Synonymized with Ashmeadiella denticulata (Cresson, 1878) by Michener, 1936Michener, C.D. 1936. Some North American Osmiinae (Hymenoptera, Apoidea). American Museum Novitates 875:1-30.:5. - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution); Michener, 1939Michener, C.D. 1939. A revision of the genus Ashmeadiella (Hymen., Megachilidae). The American Midland Naturalist 22 (1):1-84.:19 ( listed as synonym of Ashmeadiella bucconis denticulata (Cresson, 1878)); Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247.:166 ( listed as synonym of Ashmeadiella bucconis denticulata (Cresson, 1878)); 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.:2025 ( listed as synonym of Ashmeadiella bucconis denticulata (Cresson, 1878)). - As Ashmeadiella rotundiceps:
Ashmeadiella wislizeni Cockerell, 1922:545, ♂. ♂, Mesilla Park, New Mexico, 3800 ft. alt., May 7 (leg. Cockerell). Synonymized with Ashmeadiella denticulata (Cresson, 1878) by Michener, 1936Michener, C.D. 1936. Some North American Osmiinae (Hymenoptera, Apoidea). American Museum Novitates 875:1-30.:5. - Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247.:166 ( listed as synonym of Ashmeadiella bucconis denticulata (Cresson, 1878)); 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.:2025 ( listed as synonym of Ashmeadiella bucconis denticulata (Cresson, 1878)).