Meniscus alternatus Cresson, 1873:410, ♂. ♂, Cordova; Kasparyan & Ruíz-Cancino, 2007Kasparyan, D.R. & E. Ruíz Cancino 2007. Review of Mexican species of Diradops Townes, with a key and description of a new species (Hymenoptera: Ichneumonidae: Banchinae). Zoosystematica Rossica 16 (2):263-268.:264, Lectotype ♂, examined (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), 273 (listed); Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141. (distribution). - As Diradops alternans: - Kasparyan & Ruíz-Cancino, 2007Kasparyan, D.R. & E. Ruíz Cancino 2007. Review of Mexican species of Diradops Townes, with a key and description of a new species (Hymenoptera: Ichneumonidae: Banchinae). Zoosystematica Rossica 16 (2):263-268. (distribution). - As Diradops alternans: - Kasparyan & Ruíz-Cancino, 2007Kasparyan, D.R. & E. Ruíz Cancino 2007. Review of Mexican species of Diradops Townes, with a key and description of a new species (Hymenoptera: Ichneumonidae: Banchinae). Zoosystematica Rossica 16 (2):263-268. (distribution). - As Diradops alternata: - 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 Diradops alternatus: - Ruíz-Cancino et al., 2002Ruíz-Cancino, E., D.R. Kasparyan & J.M. Coronado Blanco 2002. Ichneumonidae. In: Llorente Bousquets, J. & J.J. Morrone (Ed.). Biodiversidad, taxonomía y biogeografía de artrópodos de México: Hacia una síntesis de su conocimiento, volumen III. 631-646. (distribution).