''Thestor brachycerus'', the Knysna skolly, is a species of

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 comprise ...

in 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 butterf ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

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

. 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 o ...

is 27–36 mm for males and 29–39 mm for females. Adults are on the wing from December to January. There is one generation per year. Larvae have been found in the nests of the pugnacious ant, '' Anoplolepis custodiens'', but the larval food is unknown.

Subspecies

*''Thestor brachycerus brachycerus'' – seaside skolly ::Range:

Western Cape The Western Cape is a province of South Africa, situated on the south-western coast of the country. It is the fourth largest of the nine provinces with an area of , and the third most populous, with an estimated 7 million inhabitants in 2020 ...

, confined to the heads at

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 ...

*''Thestor brachycerus dukei'' van Son, 1951 – Duke's skolly ::Range: Karoo and fynbos along the

Langeberg The Langeberg Range is a mountain range in the Western Cape province of South Africa. Its highest peak is Keeromsberg at 2,075 m that lies 15 km northeast of the town of Worcester. Some of the highest peaks of the range are located just to ...

from Die Koo to Montagu, then along the

Swartberg The Swartberg mountains (''black mountain'' in Afrikaans) are a mountain range in the Western Cape province of South Africa. It is composed of two main mountain chains running roughly east–west along the northern edge of the semi-arid Little ...

and Elandsberg to the

Outeniqua Mountains The Outeniqua Mountains, named after the Outeniqua Khoikhoi who lived there, is a mountain range that runs a parallel to the southern coast of South Africa, and forms a continuous range with the Langeberg to the west and the Tsitsikamma Mountains ...

and along the southern Western Cape coast from

Kogelberg The Kogelberg is a range of mountains along the False Bay coast in the Western Cape of South Africa. They form part of the Cape Fold Belt, starting south of the Elgin valley and forming a steep coastal range as far as Kleinmond. The Kogelberg ...

to Stanford

References

Thestor Butterflies described in 1883 Endemic butterflies of South Africa Taxa named by Roland Trimen Taxonomy articles created by Polbot {{Miletinae-stub