A second species of Boloponera...

...and a key:

A new species of Boloponera from Sekhukhuneland, South Africa (Hymenoptera, Formicidae, Ponerinae)
Peter G. Hawkes
https://zookeys.pensoft.net/article/28606/download/pdf/

A better link to the Boloponera article:
Hawkes, P. G. 2018. A new species of Boloponera from Sekhukhuneland, South Africa (Hymenoptera, Formicidae, Ponerinae). ZooKeys 798:23-44.
http://antcat.org/documents/70…_Ponerinae_Boloponera.pdf