The Window Acraea is a butterfly

Butterfly

A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

 of the Nymphalidae

Nymphalidae

The Nymphalidae is a family of about 5,000 species of butterflies which are distributed throughout most of the world. These are usually medium sized to large butterflies. Most species have a reduced pair of forelegs and many hold their colourful wings flat when resting. They are also called...

 family. It is found in KwaZulu-Natal

KwaZulu-Natal

KwaZulu-Natal is a province of South Africa. Prior to 1994, the territory now known as KwaZulu-Natal was made up of the province of Natal and the homeland of KwaZulu....

, Transvaal

Transvaal Province

Transvaal Province was a province of the Union of South Africa from 1910 to 1961, and of its successor, the Republic of South Africa, from 1961 until the end of apartheid in 1994 when a new constitution subdivided it.-History:...

, Zimbabwe

Zimbabwe

Zimbabwe is a landlocked country located in the southern part of the African continent, between the Zambezi and Limpopo rivers. It is bordered by South Africa to the south, Botswana to the southwest, Zambia and a tip of Namibia to the northwest and Mozambique to the east. Zimbabwe has three...

, Mozambique

Mozambique

Mozambique, officially the Republic of Mozambique , is a country in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west and Swaziland and South Africa to the southwest...

, from eastern Africa to Abyssinia and in Congo

Congo Basin

The Congo Basin is the sedimentary basin that is the drainage of the Congo River of west equatorial Africa. The basin begins in the highlands of the East African Rift system with input from the Chambeshi River, the Uele and Ubangi Rivers in the upper reaches and the Lualaba River draining wetlands...

.

The wingspan

Wingspan

The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

 is 40-48 mm for males and 43-55 mm for females. Adults are on wing year round, with a peak from September to May. There are multiple generations per year.

The larvae feed on Xylotheca kraussiana

Xylotheca kraussiana

Xylotheca kraussiana is an African shrub or small multi-stemmed tree growing in the sandveld and widely distributed throughout the eastern parts of Southern Africa, in particular the eastern Transvaal, coastal Natal and Mozambique, preferring the sandy soils of coastal bush and forest.'Xylotheca'...

, Tricicleras longepedunculata and Passifloraceae

Passifloraceae

Passifloraceae is a family of flowering plants, containing about 530 species classified in around 18 genera. They include trees, shrubs, lianas and climbing plants, and are mostly found in tropical regions....

 species, including Adenia

Adenia

Adenia is a genus in the passionflower family Passifloraceae. It is named after Aden, a city in Yemen.The genus includes a number of tropical and subtropical xerophytes; many of which form substantially thickened bases or lianas. It is also a Caudiciform. Many species are characterised by the...

species.