Porphyrorhegma is a genus of moths of the Crambidae family. It contains only one species, Porphyrorhegma fortunata, which is found in North America, where it has been recorded from California.
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