Lampretatus cyrnus Walker, 1843:157, sex not indicated.Floride orientale (leg. E. Doubleday et R. Forster). - As Callitula cyrnus: - Burks, 1975Burks, B.D. 1975. The species of Chalcidoidea described from North America north of Mexico by Francis Walker (Hymenoptera). Bulletin of the British Museum (Natural History) Entomology 32 (4):139-170. (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 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198. (distribution). - As Lamprotatus cyrnus: - Walker, 1846Walker, F. 1846. List of the specimens of Hymenopterous insects in the collection of the British Museum. Part I. - Chalcidites. London. 1-100. (distribution); 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).
Cryptoprymnus illinoensis Ashmead, 1896:228, ♀. Holotype ♀, Algonquin, Ill. (leg. Dr. Wm.A. Nason). - 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.:805 ( listed as synonym of Callitula cyrnus (Walker, 1843)).