The species inhabits Grassland and Fynbosbiomes at altitudes ranging from 78 to 1,225 m above sea level. Diaphractus leipoldti is a free-living ground dweller.
The species was originally described by W. F. Purcell in 1907 from Rondegat, Clanwilliam in the Western Cape. The genusDiaphractus has not been revised but was included in the monograph of Tucker and Murphy.