Opsolasia Coquillett, 1910: 580. Type-species: Lasiops calvicrura Coquillett, 1900 (= Aricia orichalcea Zetterstedt, 1849), by original designation.
Opsolasia orichalcea (Zetterstedt, 1849)
Aricia orichalcea Zetterstedt, 1849: 3285. Type-locality: Sweden, Pite Lappmark, Arjeplog. Lectotype ♀, MZLU (designated by Pont, in press).
Siberian records: Pripolar Urals, Mt. Neroika (Malozemov, 1992: 92, 93); Sverdlovskaya Oblast’, River Sos’va, 110 km from Berezovo, Lyurykaly (Lavčiev, 1971: 215); West Siberia (Pont, 1986a: 158).
General distribution: Holarctic Region; in the Palaearctic from Norway, Sweden, Finland, Russia (northwest European Russia, West and East Siberia).