The Modest Sylph 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 Hesperiidae family. It is found in South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

 in Afromontane forests from the East Cape, east along the Drakensberg foothills to the KwaZulu-Natal midlands and the coastal forests and rivers.

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 24-29 mm for males and 27-29 for females. Adults are on wing from September to April (with a peak in January). There are multiple generations per year.

The larvae feed on Imperata cylindrica and Imperata arundinacea.