Stygionympha vansoni

Stygionympha vansoni, or Van Son's brown, is a butterfly of the family Nymphalidae. It is found in South Africa, in Northern Cape from the Kamiesberge to the Springbok area.

Stygionympha vansoni
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nymphalidae
Genus:	Stygionympha
Species:	S. vansoni
Binomial name
Stygionympha vansoni (Pennington, 1953)[1]
Synonyms
Melampias vansoni Pennington, 1953

The wingspan is 36–38 mm for males and 38–40 mm for females. Adults are on wing from August to October. There is one generation per year.[2]

The larvae probably feed on Poaceae grasses.

References

1. "Stygionympha van Son, 1955" at Markku Savela's Lepidoptera and Some Other Life Forms
2. Woodhall, Steve (2005). Field Guide to Butterflies of South Africa. Cape Town, South Africa: Struik. ISBN 978-1-86872-724-7.