Kaliwatan sa alasiwsiw ang Udenus w-nigrum.^[1] Una ning gihulagway ni Brunner von Wattenwyl ni adtong 1900.^[2] Ang Udenus w-nigrum sakop sa kahenera nga Udenus, ug kabanay nga Rhaphidophoridae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Región de Magallanes y de la Antártica Chilena

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: 54634326. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Brunner von Wattenwyl (1900) Orthoptères. Diagnoses d'insectes recueillis par l'expedition antarctique belge , Annales de la Société Entomologique de Belgique (Ann. Soc. Entom. Belgique) 44:112-113
3. ↑ Cigliano M.M., Braun H., Eades D.C. & Otte D. (2019). SF Orthoptera: Orthoptera Species File (version 5.0, Jun 2018). 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.