Pison conforme Smith, 1869:297 - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:39 (listed); Cameron, 1889Cameron, P. 1889. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :34-64. (distribution); Menke, 1968Menke, A.S. 1968. New genera and species of wasps of the tribe Trypoxylonini from the neotropical region (Hymenoptera, Sphecidae, Larrinae). Contributions in Science 135:1-9. (distribution); Menke, 1992Menke, A.S. 1992. Pison in Costa Rica (Sphecidae). Sphecos 23:8-10. (distribution); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139. (distribution); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution); Horta Vega et al., 2013Horta Vega, J.V., M. Vanoye-Eligio, M.E. García-Gutiérrez, J.M.Coronado-Blanco & L. Barrientos-Lozano 2013. Crabronidae (Hymenoptera) de la localidad Cañón del Novillo, Victoria, Tamaulipas, México. Acta Zool. Mex. (n.s.) 29 (2):376-387. (distribution).