
Geranium Argus
Common NameGeranium Argus
Scientific NameEumedonia eumedon
FamilyLycaenidae
SubfamilyPolyommatinae
Wingspan (mm)25
Wing Patternspotted
Primary Colorsbrown, orange, blue-green, black, white
HabitatMeadows, forest clearings, subalpine grasslands, often near Geranium host plants.
Geographic RangeCentral and Eastern Europe, Siberia, Mongolia, China, Korea, Japan.
Host PlantsGeranium sylvaticum, Geranium pratense, Geranium sanguineum
Flight PeriodJune to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on the leaves of Geranium species. Larvae feed on leaves and flowers, often associated with ants, and overwinter before pupating near the ground.
Identification TipsIdentify by the distinctive underside pattern: a light brown ground color with a row of black, white-ringed spots, orange submarginal crescents, and a prominent iridescent blue-green wash at the base of the hindwing. The upperside is typically plain brown.
Description
A small butterfly with a light brown underside, featuring a row of prominent black spots ringed in white, and a submarginal band of orange crescents. The basal area of the hindwing underside displays a striking iridescent blue-green scaling.





