''Chrysoritis brooksi'', the Brook's opal, is a

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

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 butterfl ...

found only 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 countri ...

. 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 of ...

is 26–30 mm for males and 28–32 mm for females. Its flight period is from September to April, occasionally as late as June. Larvae feed on ''

Thesium ''Thesium'' is a genus of flowering plants in the family Santalaceae. It is particularly well represented in South Africa. The following species are recognised by ''The Plant List'': *'' Thesium acuminatum'' A.W. Hill *''Thesium acutissimum'' A ...

'' and ''

Zygophyllum ''Zygophyllum'' is the type genus of the flowering plant family Zygophyllaceae. The generic name is derived from the Greek words ζυγόν (''zygon''), meaning "double", and φυλλον (''phyllon''), meaning "leaf". It refers to the leaves, ...

'' species. They are associated with ''

Crematogaster peringueyi ''Crematogaster peringueyi'' is a southern African arboreal species of ant. They are commonly known as the black cocktail ant or swartwipgatmier (Afrikaans) for their colour and habit of arching their abdomens when alarmed. Habits They make t ...

'' ants.

Subspecies

*''Chrysoritis brooksi brooksi'' (South Africa: Western Cape Province) *''Chrysoritis brooksi tearei'' (Dickson, 1966) (South Africa: Western Cape Province)

References

External links

insecte.org: images of this species
Butterflies described in 1938 Chrysoritis Endemic butterflies of South Africa {{Aphnaeini-stub