Monobia bicolor Provancher, 1888:421, Bohart, 1939Bohart, R.M. 1939. Taxonomy of the typical subgenus Odynerus in North America (Hymenoptera, Vespidae). The Pan-Pacific Entomologist 15 (2):76-84.:82, Type (U. S. National Museum). - Bohart, 1948Bohart, R.M. 1948. Contributions toward a knowledge of the insect fauna of Lower California. No. 9, Hymenoptera: Eumenidae. Proceedings of the California Academy of Sciences ser. 4: v. 24 (9):313-336.:322 ( listed as synonym of Odynerus erythrogaster Bohart, 1939); 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.:1473 ( listed as synonym of Odynerus erythrogaster Bohart, 1939); Fateryga, 2021Fateryga, A.V. 2021. new Nearctic genera in the tribe Odynerini s. str. revealed on the bionomics and morphology, with a comment on the cocoons of the eumenine wasps (Hymenoptera: Vespidae: Eumeninae). Far Eastern Entomologist 427:1-19.:11 ( listed as synonym of Parkerodynerus erythrogaster (Bohart, 1939)).
Odynerus erythrogaster Bohart, 1939:81, ♂♀ Replacement name for Monobia bicolor Provancher, 1888 by Bohart, 1939Bohart, R.M. 1939. Taxonomy of the typical subgenus Odynerus in North America (Hymenoptera, Vespidae). The Pan-Pacific Entomologist 15 (2):76-84.:81 (nec Odynerus bicolor Saussure, 1856). - Bohart, 1939Bohart, R.M. 1939. Taxonomy of the typical subgenus Odynerus in North America (Hymenoptera, Vespidae). The Pan-Pacific Entomologist 15 (2):76-84. (distribution); Bohart, 1948Bohart, R.M. 1948. Contributions toward a knowledge of the insect fauna of Lower California. No. 9, Hymenoptera: Eumenidae. Proceedings of the California Academy of Sciences ser. 4: v. 24 (9):313-336. (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 Parkerodynerus erythrogaster: - Fateryga, 2021Fateryga, A.V. 2021. new Nearctic genera in the tribe Odynerini s. str. revealed on the bionomics and morphology, with a comment on the cocoons of the eumenine wasps (Hymenoptera: Vespidae: Eumeninae). Far Eastern Entomologist 427:1-19. (distribution), 11 (comb. nov.).