Eubadizon schizoceri Riley & Howard, 1888:44 - As Boethus schizoceri: - 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).
Boethus howardi Davis, 1897:290, ♂♀. Types ♂, ♀, Ocean Springs, Miss. (U. S. Nat. Mus., leg. L.O. Howard). - 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.:374 ( listed as synonym of Boethus schizoceri (Riley & Howard, 1888)).
Boethus ænigmaticus Viereck, 1905:314, ♂. Holotype ♂, Dourglas county, Kansas, 900 feet (University of Kansas, leg. F. H. Snow). - 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.:374 ( listed as synonym of Boethus schizoceri (Riley & Howard, 1888)).
Boethus daeckeri Viereck, 1909:210 - 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.:374 ( listed as synonym of Boethus schizoceri (Riley & Howard, 1888)).