Leptidea sinapis (Linnaeus, 1758)
Wood White
April 17, 2021 - Saint-Cyr-au-Mont-d'Or - 69 - Rhône-Alpes - France © Frédéric Vivien
This may be Leptidea sinapis, Leptidea reali or Leptidea juvernica as these three species can only be distinguished by the study of their genitalia.