Chrysoritis nigricans, the dark opal, is a butterfly of the family Lycaenidae found only in South Africa. The wingspan is 22–33 mm for males and 23–38 mm for females. Flight period is multi-brooded from September to April, peaking October/November and March. Larvae feed on Thesium species, Osteospermum polygaloides, and Zygophyllum species. They are associated with ants of the genus Crematogaster. Subspecies Chrysoritis nigricans nigricans (South Africa: Western Cape province) Chrysoritis nigricans zwartbergae (Dickson, 1982) (South Africa: Western Cape province) Chrysoritis nigricans rubrescens Heath & Pringle, 2007 (South Africa: Western Cape province) References nigricans Endemic butterflies of South Africa Butterflies described in 1924 Taxa named by Per Olof Christopher Aurivillius