This is perhaps not a morph of Cape house snake but a subspecies. Ilumo Ilumo is the name that has been coined for the green house snake morph. Inyoka swazicus is commonly known as the Swazi rock snake or Swaziland house snake. The olive house snake feeds on lizards, small rodents and other snakes. Boaedon lineatus, the striped house snake, is a species of lamprophiid from throughout Africa. The spotted house snake is widespread in the eastern parts of South Africa. The African house snake ("Boaedon fuliginosus") is a species of snake of the family Lamprophiidae.