The wasp genus Tachysphex Kohl, 1883, of Sahara, sub-Saharan Africa, the Arabian Peninsula, and Madagascar (Hymenoptera: Apoidea: Crabronidae). Proceedings of the California Academy of Sciences, 58(Supplement 1), May 11 2007: 1-693, 695-698. 467 [Zoological Record Volume 143]