Kaliwatan sa insekto ang Oliarus rarus.^[1] Una ning gihulagway ni Caldwell ni adtong 1947.^[2] Ang Oliarus rarus sakop sa kahenera nga Oliarus, ug kabanay nga Cixiidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Estado de Baja California Sur

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: 53427405. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Caldwell J. S. (1947) New species of Oliarus Stål from Southwestern United States and Mexico (Homoptera: Cixiidae) , Pan-Pacific Entomologist. San Francisco, 23(4): 145-151.
3. ↑ Bourgoin T. (2019). FLOW: Fulgoromorpha Lists On the WEB (version Feb 2019). 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.