Gyrolasia flavimedia Howard, 1881:369, ♂.Los Angeles, Cal.. - Howard, 1885Howard, L.O. 1885. Descriptions of North American Chalcididae from the collections of the U. S. Department of Agriculture and of Dr. C. V. Riley. Bulletin of the U. S. Department of Agriculture 5:3-47. (distribution). - As Euderomphale flavimedia: - Hansson & LaSalle, 2003Hansson, C. & J. LaSalle 2003. Revision of the Neotropical species of the tribe Euderomphalini (Hymenoptera: Eulophidae). Journal of Natural History 37:697-778.:702 ( listed as synonym of Euderomphale fuscipennis Girault, 1916); 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 Pteroptrix flavimedia: - Cockerell, 1899Cockerell, T.D.A. 1899. A first list of the hymenopterous families Tenthredinidae, Siricidae, Chrysididae, Proctotrypidae, Cynipidae, Chalcididae and Braconidae collected in New Mexico. Transactions of the Kansas Academy of Sciences 16:212-216. (distribution). - As Pteroptrix flavimedius:
Euderomphale fuscipennis Girault, 1916:410, ♀. Holotype ♀, Glenndale, Maryland, June 22, 1916 (U. S. N. M., No. 20349). - Girault, 1917Girault, A.A. 1917. Descriptions hymenopterorum chalcidoidicarum variorum cum observationibus. V. Private publication, Glenndale, Maryland. 1-16.:6 ( listed as synonym of Pteroptrix flavimedius (Howard, 1881)); Hansson & LaSalle, 2003Hansson, C. & J. LaSalle 2003. Revision of the Neotropical species of the tribe Euderomphalini (Hymenoptera: Eulophidae). Journal of Natural History 37:697-778. (distribution); Hansson, 2011Hansson, C. 2011. Catalogue of the Eulophidae in the neotropical region (2009 updated 2011). :1-78.:19 ( listed as synonym of Euderomphale flavimedia (Howard, 1881)).