Dira jansei, or Janse's widow, is a butterfly of the family Nymphalidae. It is found on wooded hillsides in the savanna/grassland ecotone in Limpopo's Strydpoortberg and Drakensberg and from the Makapans Cave to Mariepskop.
The wingspan is 48âÂÂ55 mm for males and 52âÂÂ58 mm for females. Adults are on wing from late February to mid-March. There is one generation per year.
It is observed residing near steep-grass covered slopes, with loose rocks, a terrain which is hazardous.
The larvae feed on various Poaceae species, including Ehrharta erecta and Pennisetum clandestinum.