Author 'Francis-Sisco' (Id 219809 ) : I have met with this butterfly on several occasions.
I've already introduced the female a little more colorful. Here is the male. This species of open habitats meager develops on different Rumex species. It is relatively rare but stable in Wallonia-Belgium. Lien : Https://fr.wikipedia.org/wiki/Cuivr%C3%A9_fuligineux