The Karoo Dancer or Karoo Sandman (Alenia sandaster) 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 only known from the arid Nama Karoo of the eastern part of the West Cape, the central North Cape and the western East Cape 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...

.

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 22-27 mm for males and 26-28 mm for females. Adults are on wing from August to January (with a peak from September to November). There is one extended generation per year.

The larvae feed on Blepharis capensis and Barleria

Barleria

Barleria is a genus of plants in the family Acanthaceae.Some species include:* Barleria cristata, the Crested Philippine violet* B. obtusa, the Bush violet* B. prionitis, Linn., the porcupine flower, a plant from India- External links :...

species.