Cryptus luctuosus Cresson, 1864:290, ♀.Rocky Mountains, Colorado Territory; Pratt, 1945Pratt, H.D. 1945. Taxonomic studies of nearctic Cryptini (Ichneumonidae, Hymenoptera). The American Midland Naturalist 34 (3):549-661.:576, Lectotype ♀ (Academy of Natural Sciences, Philadelphia, Pa., No. 1144); Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602.:221, Type ♀ (Philadelphia). - Pratt, 1945Pratt, H.D. 1945. Taxonomic studies of nearctic Cryptini (Ichneumonidae, Hymenoptera). The American Midland Naturalist 34 (3):549-661. (distribution); Castillo et al., 2014Castillo Flores, P.M., E. Ruíz Cancino, J.M. Coronado Blanco, A.I. Khalaim & S.N. Myartseva 2014. Ichneumonidae (Hymenoptera: Ichneumonoidea) en un bosque de Quercus de Tamaulipas, México. Dugesiana 21 (2):161-174. (distribution). - As Trachysphyrus luctuosus: - As Trachysphyrus luctuosus luctuosus: - Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602. (distribution).
Agrothereutes ebenus Viereck, 1916:331, Pratt, 1945Pratt, H.D. 1945. Taxonomic studies of nearctic Cryptini (Ichneumonidae, Hymenoptera). The American Midland Naturalist 34 (3):549-661.:576, Type (U. S. National Museum, Washington, D. C., No. 40433); Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602.:221, Type ♀ (Philadelphia). Synonymized with Cryptus luctuosus Cresson, 1864 by Pratt, 1945Pratt, H.D. 1945. Taxonomic studies of nearctic Cryptini (Ichneumonidae, Hymenoptera). The American Midland Naturalist 34 (3):549-661.:575. - Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602.:221 ( listed as synonym of Trachysphyrus luctuosus luctuosus (Cresson, 1864)).
Cryptus caligatus Cushman, 1927:2, ♀. Holotype ♀, Calgary, Alberta, August 5, 1924 (U.S.N.M., No. 40433, leg. George Salt); Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602.:221, Type ♀ (Washington). Synonymized with Cryptus luctuosus Cresson, 1864 by Pratt, 1945Pratt, H.D. 1945. Taxonomic studies of nearctic Cryptini (Ichneumonidae, Hymenoptera). The American Midland Naturalist 34 (3):549-661.:575. - Townes & Townes, 1962Townes, H.K. & M. Townes 1962. Ichneumon-flies of America north of Mexico: 3. Subfamily Gelinae, tribe Mesostenini. Bulletin of the United States National Museum 216 (3):1-602.:221 ( listed as synonym of Trachysphyrus luctuosus luctuosus (Cresson, 1864)).