Marsh Fritillary  
Euphydryas aurinia (Rottemburg, 1775)
Family: Brush-footed butterflies (Nymphalidae)
Threat category in Europe: LC - Least Concern
(adult ♂, Žumberak, May 2018.)
Marsh Fritillary
Euphydryas aurinia
(adult ♂, Žumberak, May 2018.)