Key to the species of Buthus in the Horn of Africa

1. Telson orange to brown (Figs. 193–194). ....................... 3

– Telson yellow (Figs. 191–192). ....................................... 2

2. Mesosoma, legs, and pedipalps with strong dark pattern (Figs. 176–177). Chelicerae pale yellow, reticulated only in anterior part.. .................. B. awashensis KovařÍk, 2011

– Base color yellow, dark pattern reduced (Figs. 180–181). Chelicerae pale yellow without reticulation....................... ................................................................. B. pococki sp. n.

3. Mesosoma, legs, and mainly pedipalps with strong dark pattern (Figs. 178–179). Chelicerae pale yellow, reticulated only in anterior part. ............ B. berberensis Pocock, 1900

– Base color yellow, dark pattern reduced (Figs. 182–185). Chelicerae pale yellow without reticulation.................... 4

4. Telson brown (Fig. 194). Movable pedipalp finger with 12 outer and inner denticles and fixed finger with 10–11 outer and inner denticles. .................. B. zeylensis Pocock, 1900

– Telson orange (Fig. 193). Movable pedipalp finger with 11 outer and inner denticles and fixed finger with 9 outer and 10 inner denticles. ........................ B. somalilandus sp. n.