Eupelmus brevicauda Gahan, 1910:205, ♀. Types ♀♀ (United States National Museum); Gibson, 2011Gibson, G.A.P. 2011. The species of Eupelmus (Eupelmus) Dalman and Eupelmus (Episolindelia) Girault (Hymenoptera: Eupelmidae) in North America north of Mexico. Zootaxa 2951:1-97.:80, Syntypes ♀♀, examined (USNM). - Gahan, 1910Gahan, A.B. 1910. Four new species of Hymenoptera, Chalcidoidea, Encyrtidae. The Canadian Entomologist 42 (6):205-208. (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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:883 ( listed as synonym of Eupelmus neococcidis Peck, 1951); Gibson, 2011Gibson, G.A.P. 2011. The species of Eupelmus (Eupelmus) Dalman and Eupelmus (Episolindelia) Girault (Hymenoptera: Eupelmidae) in North America north of Mexico. Zootaxa 2951:1-97. (distribution).
Eupelmus coccidis Girault, 1917:6, sex not indicated Replacement name for Eupelmus brevicauda Gahan, 1910 by Girault, 1917Girault, A.A. 1917. Descriptiones Stellarum Novarum. Private publication, Wash., D.C. 1-22.:6 (preoccupied by (Cerambycobius) Eupelmus brevicaudus (Crawford)). - 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.:883 ( listed as synonym of Eupelmus neococcidis Peck, 1951).
Eupelmus neococcidis Peck, 1951:510 - 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). - As Brasema neococcidis: - Gibson, 2011Gibson, G.A.P. 2011. The species of Eupelmus (Eupelmus) Dalman and Eupelmus (Episolindelia) Girault (Hymenoptera: Eupelmidae) in North America north of Mexico. Zootaxa 2951:1-97.:80 (comb. nov.); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution).