Satyrium ilicis, the ilex hairstreak, is a butterfly of the family Lycaenidae.

[1] This species is present in Southern and Central Europe, in South Western Siberia, in Asia Minor, Caucasus, Transcaucasia, Lebanon and Southern Urals.

In the females the upperside of the forewings usually shows large patches of orange, while on the underside of the hindwings there are orange black bordered lunules.

A series of irregular broken white markings are present on the underside of the forewings and hindwings.

[1][5] Larvae are attended by ants Camponotus aethiops and Crematogaster species.