Icosta are genus of biting flies in the family of louse flies, Hippoboscidae. There are 52 known species, making it the largest Hippoboscid genus. All species are parasites of birds.
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