Metz, M.A., Winterton, S.L. and Irwin, M.E. 2002. Notes on the functional morphology of terminalia from Prorates ballmeri Nagatomi and Liu (Diptera: Scenopinidae: Proratinae) collected while in copula, with a description of the previously unknown female. Zootaxa. 76, 1 (Oct. 2002), 1–12. DOI:https://doi.org/10.11646/zootaxa.76.1.1.