Osiris Blue
Common NameOsiris Blue
Scientific NameCupido osiris
FamilyLycaenidae
SubfamilyPolyommatinae
Wingspan (mm)25
Wing Patternspotted
Primary Colorslight blue, grey, white, black
HabitatDry grasslands, rocky slopes, subalpine meadows, open woodland clearings
Geographic RangeSouthern and Central Europe, North Africa, Asia Minor, Caucasus, Central Asia
Host PlantsOnobrychis viciifolia, Onobrychis arenaria, Onobrychis caput-galli
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on the host plant, larvae feed on flowers and seeds, and pupation occurs near the ground. Larvae are often associated with ants.
Identification TipsDistinguished by its small size, the pale blue-grey underside with a sparse pattern of small black spots, and the absence of any orange markings on the underside. Males have a brighter blue dorsal side.
Description
A small butterfly with pale blue-grey undersides, adorned with several small, distinct black spots on both fore and hindwings, and a prominent white fringe along the wing margins.
