Decameria rufiventris Cameron, 1883:65, ♂. ♂, Costa Rica, Irazu, 6000-7000 feet (leg. Rogers); Schmidt & Smith, 2006Schmidt, S. & Smith, D.R. 2006. An annotated systematic world catalogue of the Pergidae (Hymenoptera). Contributions of the American Entomological Institute 34 (3):1-207., Holotype labelled 'Cache, Costa Rica, H. Rogers'; the abdomen is missing. The specimen agrees with the description even though the locality data are not identical. - 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.:65 (listed); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum. Vol. I: Tenthredinidae incl. Uroceridae (Phyllophaga & Xylophaga). G. Engelmann, 459. (distribution); Rohwer, 1922Rohwer, S.A. 1922. Notes and descriptions of Neotropical sawflies of the subfamily Perreyiinae. Proceedings of the United States National Museum 59:161-167. (distribution). - As Acherdocerus rufiventris: - Benson & Conde, 1938Benson, R.B. & Conde, O. 1938. Revision der neotropischen Perreyiinae (Hym. Tenthredinidae). Revista de Entomologia (Rio de Janeiro) 9:121-154.:140 (comb. nov.). - As Endecaria rufiventris: - Malaise, 1937Malaise, R. 1937. Gattungstabelle sowie neue Arten und Gattungen der Unterfamilie Perreyiinae (Hym. Tenthred.). Entomologisk Tidskrift 58:60-65.:62 (comb. nov.).