Epitetrastichus marylandensis Girault, 1916:295 - As Aprostocetus marylandensis: - LaSalle, 1994LaSalle, J. 1994. North American genera of Tetrastichinae (Hymenoptera: Eulophidae). Journal of Natural History 28:109-236.:146 (comb. nov.); Hansson, 2011Hansson, C. 2011. Catalogue of the Eulophidae in the neotropical region (2009 updated 2011). :1-78. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution). - As Tetrastichus marylandensis: - 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).
Epitetrastichus cuneiformis Girault, 1917:18, ♀. Type ♀, Forest, D. C., July 21, 1915 (U. S. National Museum, No. 19800). - 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.:998 ( listed as synonym of Tetrastichus marylandensis (Girault, 1916)); LaSalle, 1994LaSalle, J. 1994. North American genera of Tetrastichinae (Hymenoptera: Eulophidae). Journal of Natural History 28:109-236.:146 ( listed as synonym of Aprostocetus marylandensis (Girault, 1916)).