Kaliwatan sa insekto ang Pepsis aurifex.^[1] Una ning gihulagway ni Smith ni adtong 1855.^[2] Ang Pepsis aurifex sakop sa kahenera nga Pepsis, ug kabanay nga Pompilidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Brasil
• Bolibiya

Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 37510053. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Smith, F. (1855) Catalogue of Hymenopterous Insects in the collection of the British Museum. Part III, Mutillidae and Pompilidae , Taylor and Francis
3. ↑ Kroupa A.S., Lohrmann V., Pulawski W.J. & Schmid-Egger C. (2019). HymIS: Hymenoptera Information System (version Jul 2017). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.