Notozus nitidus Aaron, 1885:218, ♂. 2 ♂♂, Montana and California; Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:26, Lectotype ♂ (ANSP). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl. (distribution), 458 (listed); Aaron, 1885Aaron, F. 1885. The North American Chrysididae. Transactions of the American Entomological Society of Philadelphia 12:209-248. (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 Elampus nitidus: - Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311. (distribution). - As Elampus nitidus nitidus: - Huber & Pengelly, 1977Huber, J.T. & D.H. Pengelly 1977. A revision of the genus Elampus Spinola (Notozus auctt.) (Hymenoptera: Chrysididae) in America North of Mexico. Proc. Entomol. Soc. of Ontario 108:75-137. (distribution).
Elampus mexicanus Mocsáry, 1889:92167, Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:26, Lectotype ♂ (GENEVA). Synonymized with Elampus nitidus nitidus Aaron, 1885 by Huber & Pengelly, 1977Huber, J.T. & D.H. Pengelly 1977. A revision of the genus Elampus Spinola (Notozus auctt.) (Hymenoptera: Chrysididae) in America North of Mexico. Proc. Entomol. Soc. of Ontario 108:75-137.:94. - Dalla Torre, 1892Dalla Torre, C.G. 1892. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VI: Chrysididae (Tubulifera). Breitkopf & Härtel, Leipzig. 1-118. (distribution); Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:26 ( listed as synonym of Elampus nitidus Aaron, 1885).
Elampus nitidus californicus Huber & Pengelly, 1978:97, Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:27, Holotype ♂ (ANSP). - Kimsey, 2006Kimsey, L.S. 2006. California Cuckoo Wasps in the Family Chrysididae (Hymenoptera). University of California Press, Berkeley, Los Angeles, London. 1-311.:27 ( listed as synonym of Elampus nitidus Aaron, 1885).