Adersia is a genus of horseflies of the family Tabanidae. It was defined by Ernest E. Austen in 1912, with A. oestroides from Zanzibar as the type species.
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