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(Thread-waisted Wasp Ammophila ferrugineipes)
There are 18 similar species of Ammophila in South Africa.
Female shown using the comb-like sand rakes on the fore tarsi for excavating her tunnel. Nossob Camp Walking Trail Nov. 2012
"A. ferrugineipes practised a form of progressive provisioning and maintained several nests at a time, the only Afrotropical species, and the fifth species worldwide, known so far to do so."
From - "Nesting strategies in some southern African species of Ammophila (Hymenoptera: Sphecidae)"
(Journal of Natural History Volume 23, Issue 1, 1989)