Scotch argus (Erebia aethiops) on Horse mint (Mentha longifolia)
Scotch argus (Erebia aethiops) on Horse mint (Mentha longifolia) -- source link
#scotch argus#erebia#butterfly#insects#biodiversity#alt pirineu#natural park#catalonia#pirineos#pyrenees#mentha#lamiaceae#plants#flowers#botany