(male violet-blue, female smoky grey with the disc of the forewing bluish white, the intricate markings of the underside appear also above.

They like to rest on clusters of Thymus and fly rather fast ; they also appear to migrate in certain years, since the butterfhes, as rare exceptions, have been observed here and there in localities lying far north, for instance at Bale, Stuttgart, Augsburg, Bozen, etc.

The larvae feed on the flowers and fruits of Fabaceae, Rosaceae and Plumbaginaceae species, including Plumbago capensis, Indigofera, Rynchosia, Vigna, Burkea, Mundulea, Melilotus, Crataegus, Quercus suber, Medicago sativa, Trifolium alexandrinum, Arachis hypogaea, Lythrum, Calluna, Genista, Dorycnium, Lythrum salicaria, Calluna vulgaris, Onobrychis viciifolia, Ulex and Melilotus alba.

This species can be found in southern Europe (Spain, France and Italy), along the Mediterranean coast, in Asia Minor up to the Himalayas, and in most of Africa and Madagascar.

The following subspecies have been identified:[2] This species prefers varied wasteland, cultivated areas and gardens.