Cilaus is a genus of moths of the Crambidae family. There is only one species in this genus, Cilaus longinasus, which is only known from the medium altitudes of La Réunion. The name of the genus Cilaus is probably a misspelling of the valley of origine of the holotype of this species: Cilaos.
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