''Thestor claassensi'', the Claassen's skolly, is a

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The group comprises ...

of the family

Lycaenidae Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfly ...

. It is found in

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring count ...

, where it is only known from the West Cape on coastal rocky outcrops in fynbos near Stilnaai between

Knysna Knysna () is a town with 76,150 inhabitants (2019 mid-year estimates) in the Western Cape province of South Africa. and is one of the destinations on the loosely defined Garden Route tourist route. It lies at 34° 2' 6.3168'' S and 23° 2' 47. ...

and

Cape Town Cape Town ( af, Kaapstad; , xh, iKapa) is one of South Africa's three capital cities, serving as the seat of the Parliament of South Africa. It is the legislative capital of the country, the oldest city in the country, and the second larges ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan ...

is 27–36 mm for males and 29–39 mm for females. Adults are on wing from November to early December. There is one generation per year.

References

Thestor Butterflies described in 2004 Endemic fauna of South Africa Butterflies of Africa {{Miletinae-stub