Semora xanthopus Cameron, 1909:433, ♀.Mendoza, November (leg. A.C. Jensen-Haarup & P. Jorgensen); Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109.:19, Lectotype ♀, examined (London: Natural History Museum, England, no. 5.369). - As Orasema xanthopus: - Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution).
Eucharomorpha paraguayensis Girault, 1913:63, Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109.:19, Holotype ♂, examined (Berlin: Museum fur Naturkunde der Humboldt Universitat zu Berlin, Germany). - Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109.:19 ( listed as synonym of Orasema xanthopus (Cameron, 1909)).
Orasema crassa De Santis, 1968:3, Loiácono et al., 2006Loiácono, M.S., C.B. Margaría, D.A. Aquino & A.L. Gaddi 2006. Los tipos de Chalcididae, Eucharitidae, Eurytomidae, Leucospidae, Tanaostigmatidae y Torymidae (Hymenoptera: Chalcidoidea) depositados en el Museo de la Plata, Argentina. Acta Zoológica Mexicana (nueva serie) 22 (3):75-84.:77, Holotype ♀ (Museo de la Plata, Argentina, no. 1909/1); Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109.:19, Holotype ♀, examined (FCNM, no. Za-201). - Loiácono et al., 2006Loiácono, M.S., C.B. Margaría, D.A. Aquino & A.L. Gaddi 2006. Los tipos de Chalcididae, Eucharitidae, Eurytomidae, Leucospidae, Tanaostigmatidae y Torymidae (Hymenoptera: Chalcidoidea) depositados en el Museo de la Plata, Argentina. Acta Zoológica Mexicana (nueva serie) 22 (3):75-84. (distribution), 77 ( listed as synonym of Orasema xanthopus (Cameron, 1909)); Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109.:19 ( listed as synonym of Orasema xanthopus (Cameron, 1909)).