Head of E. vulgata, dorsal view (arrow points to clypeus).  
  Part of: Sroka P, Bojková J, Kolar V (2022) Mayfly Ephemera glaucops (Ephemeroptera, Ephemeridae) recorded in the Czech Republic after almost a century. Biodiversity Data Journal 10: e90950. https://doi.org/10.3897/BDJ.10.e90950