''Borbo ferruginea'', the ferruginous swift, ferrous swift or ferrous skipper, 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 comprise ...

of the family Hesperiidae. It is found in southern and south-eastern

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

, in

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 ...

and from

Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi ...

Kenya ) , national_anthem = " Ee Mungu Nguvu Yetu"() , image_map = , map_caption = , image_map2 = , capital = Nairobi , coordinates = , largest_city = Nairobi ...

. In South Africa it is restricted to the lowland forests of KwaZulu-Natal. The habitat consists of coastal forests. Their

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 36–39 mm for males and 42–45 mm for females. Adults are probably on wing year-round, but it is more from October to May in southern Africa.

Subspecies

*''Borbo ferruginea ferruginea'' (eastern Kenya, Tanzania) *''Borbo ferruginea dondo'' Evans, 1955 (KwaZulu-Natal to southern Mozambique and eastern Zimbabwe)

References

Butterflies described in 1925 Hesperiinae {{Hesperiinae-stub