Primary type information:
Type-material: holotype(?) worker. Type-locality: imprecise: “Afrika, vom weissen fluss, in den Saaman von Sorghum Durra”) (Gredler). Type-depository: MNHU.
Type notes:
1) No indication of number of specimens is given. 2) Weissen fluss = White Nile? Mayr, 1863a: 450, merely says “Afrika”; Emery, 1911e: 84, has “Sudan”; Wheeler, 1922: 777, has “Anglo-Egyptian Sudan: Sennar”.