Kaliwatan sa alibangbang ang Hypenopsis sombrus.^[1] Una ning gihulagway ni Ferguson ni adtong 1954. Ang Hypenopsis sombrus sakop sa kahenera nga Hypenopsis, ug kabanay nga Noctuidae.^[1][2] 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: 10746541. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Beccaloni G., Scoble M., Kitching I., Simonsen T., Robinson G., Pitkin B., Hine A. & Lyal C. (2019). LepIndex: The Global Lepidoptera Names Index (version 12.3, Jan 2012). 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.