''Pseudonympha magus'', the silver-bottom brown, is a butterfly of the family Nymphalidae. It is found in South Africa, from the Western Cape south to Cape Town and along the southern littoral north to the

Eastern Cape The Eastern Cape is one of the provinces of South Africa. Its capital is Bhisho, but its two largest cities are East London and Gqeberha. The second largest province in the country (at 168,966 km2) after Northern Cape, it was formed in ...

. The wingspan is 40–44 mm for males and females. Adults are on wing from September to April (with a peak in October and February). There are two overlapping generations per year. The larvae feed on

Poaceae Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...

grasses, including '' Cynodon dactylon''. Larvae have also been reared on ''

Ehrharta erecta ''Ehrharta erecta'' is a species of grass commonly known as panic veldtgrass. The species is native to Southern Africa and Yemen. It is a documented invasive species in the United States, New Zealand, Australia, southern Europe, and China ...

''.

References

Butterflies described in 1793 Pseudonympha Endemic butterflies of South Africa Taxa named by Johan Christian Fabricius {{Satyrini-stub