Shimizu, A.; Lelej, A. S.; Loktionov, V. M.; Nishimoto, Y.; Endo, T. Revision of the Subgenus Stigmatodipogon Ishikawa of the Genus Dipogon Fox (Hymenoptera: Pompilidae: Pepsinae). Zootaxa 2018, 4514, 1–22.