Soyedina is a genus of stoneflies belonging to the family Nemouridae. This exclusively Nearctic genus was originally erected as a subgenus of Nemoura but was elevated to genus status by Joachim Illies in 1966. There are currently 11 described species, most only identifiable by small differences in the genitalia.
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