Copestylum is one of the largest genera of hoverflies in the Americas. It comprises more than 300 species, of which only four have been found outside the Americas, having probably been introduced inside cacti.
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