Distribution: scattered localities in northern Guinea, Sudan, and Sahel savanna zones; not recorded south of the Niger-Benue rivers in Nigeria (Happold 1969, 1978b) (Map 98).
Localities: Benue-Pai river region (Lewis 1955); Chingurme-Duguma GR, Kambari GR (Hall 197 6); Falgoro GR (Henshaw and Child 1972); Lame GR (Hall 1976); Sambisa GR (Hall 1976). Old localities not listed (see Status).