Eumedonia eumedon

Eumedonia eumedon
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Lycaenidae
Genus: Eumedonia
Species:
E. eumedon
Binomial name
Eumedonia eumedon
(Esper, 1780)
Synonyms
  • Papilio eumedon Esper, 1780
  • Aricia eumedon
  • Plebejus eumedon
  • Cupido fylgia Spangberg, 1876

Eumedonia eumedon, the geranium argus, is a butterfly of the family Lycaenidae. It is found in the Palearctic realm. This butterfly has been included in the genera Plebejus, Plebeius, Polyommatus and Aricia, but recent molecular studies have demonstrated that Eumedonia is a valid genus, different from the previous genera mentioned.

The wingspan is 26–30 mm. The butterfly flies from May to August depending on the location.

The larvae feed on Geraniaceae species (genera Geranium and Erodium).