Teragra vogti is a moth in the Cossidae family. It is found in South Africa.
The wingspan is about 35 mm. The forewings are very pale greyish with a dark brown subbasal area much broken up and extending below the cell to the middle of the inner margin and likewise more or less to the costa. There is a broad, indefinite, dark brown postmedian stripe which is very slightly oblique. The whole wing has a rather mottled appearance. The hindwings are pale grey, somewhat finely irrorated with darker brown.