Dumbletonius is a genus of moths of the family Hepialidae. There are two described species, both endemic to New Zealand. The genus was named in honour of Lionel Jack Dumbleton.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0