Key to species in the Phoberus caffer species group
1 Black with sparse yellow setae; widespread throughout the central and southern region of South Africa .... P. caffer (Harold)
- Black with sparse to dense dark brown to black setae; disjunct, eastern montane distribution.......................... 2
2 Elytral tubercles on even-numbered costae prominent, not shiny; odd-numbered costae with small, round, glabrous tubercles, regularly spaced; restricted to the Eastern Highlands in Zimbabwe and the eastern escarpment of South Africa ....................................................................................... P. lilianae (Scholtz) new status
- Elytral tubercles on even-numbered costae large, shiny; odd-numbered costae with distinct round, glabrous tubercles, irregularly spaced; restricted to the Maloti-Drakensberg Mountains in southern Africa....... P. ntlenyanae Strümpher new species