Perilitus incompletus Provancher, 1886:126 - As Ephedrus incompletus: - 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); Starý, 1981Starý, P. 1981. Aphid parasitoids (Hymenoptera, Aphidiidae) of Cuba. Acta Ent. Bohemoslov. 78 (1):33-42. (distribution).
Ephedrus incompletus Provancher, 1886:156 - 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.:296 ( listed as synonym of Ephedrus incompletus (Provancher, 1886)).
Scotioneurus dives Provancher, 1886:157 - 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.:296 ( listed as synonym of Ephedrus incompletus (Provancher, 1886)).
Ephedrus rosae Withington, 1909:318 - 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.:296 ( listed as synonym of Ephedrus incompletus (Provancher, 1886)).