Myzine dubiosa Cresson, 1872:200, ♀. Holotype ♀, Texas (G.W. Belfrage); Kimsey, 2009Kimsey, L.S. 2009. Taxonomic purgatory: Sorting out the wasp genus Myzinum Latreille in North America (Hymenoptera, Tiphiidae, Myzininae). Zootaxa 2224:30-50.:41, Holotype ♀ (Philadelphia). - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution). - As Myzinum dubiosum: - 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); Boni-Bartalucci, 2004Boni-Bartalucci, M. 2004. Tribe-groups of the Myzininae with special regard to the palaearctic taxa of the tribe Meriini (Hymenoptera, Tiphiidae). Linzer Biologische Beitrage 36 (2):1205-1308. (distribution); Kimsey, 2009Kimsey, L.S. 2009. Taxonomic purgatory: Sorting out the wasp genus Myzinum Latreille in North America (Hymenoptera, Tiphiidae, Myzininae). Zootaxa 2224:30-50. (distribution).
Myzine texana Cresson, 1872:200, ♀. Holotype ♀, Comal Co; Kimsey, 2009Kimsey, L.S. 2009. Taxonomic purgatory: Sorting out the wasp genus Myzinum Latreille in North America (Hymenoptera, Tiphiidae, Myzininae). Zootaxa 2224:30-50.:42, Holotype ♀ (Philadelphia). - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (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.:1266 ( listed as synonym of Myzinum dubiosum Cresson, 1872); Kimsey, 2009Kimsey, L.S. 2009. Taxonomic purgatory: Sorting out the wasp genus Myzinum Latreille in North America (Hymenoptera, Tiphiidae, Myzininae). Zootaxa 2224:30-50.:42 ( listed as synonym of Myzinum dubiosum Cresson, 1872).
Plesia fulvinervis Cameron, 1908:239, Kimsey, 2009Kimsey, L.S. 2009. Taxonomic purgatory: Sorting out the wasp genus Myzinum Latreille in North America (Hymenoptera, Tiphiidae, Myzininae). Zootaxa 2224:30-50.:42, Holotype ♀ (London). - 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.:1266 ( listed as synonym of Myzinum dubiosum Cresson, 1872); Kimsey, 2009Kimsey, L.S. 2009. Taxonomic purgatory: Sorting out the wasp genus Myzinum Latreille in North America (Hymenoptera, Tiphiidae, Myzininae). Zootaxa 2224:30-50.:42 ( listed as synonym of Myzinum dubiosum Cresson, 1872).