Buthus, Leach, 1815

Kovařík, František, Šťáhlavský, František & Elmi, Hassan Sh Abdirahman, 2020, Scorpions of the Horn of Africa (Arachnida Scorpiones) Part XXIII Buthus (Buthidae), with description of two new species, Euscorpius 307, pp. 1-32 : 31

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.

Figures

Figures 191–194: Buthus, in vivo habitus. Figure 191. B. awashensis, female paratype. Figure 192. B. pococki sp. n., male paratype. Figure 193. B. somalilandus sp. n., female, paratype. Figure 194. B. zeylensis from locality 19SH.

Figures 176–190: Comparison of pdipalp chela (176, 178, 180, 182, 184), pedipalp patella (177, 179, 181, 183, 185), and telson (186–190) of males of Buthus. Figures 176–177, 186. B. awashensis, holotype. Figures 178–179, 187. B. berberensis from locality 19SO. Figures 180–181, 188. B. pococki sp. n., holotype. Figures 182–183, 189. B. somalilandus sp. n., holotype. Figures 184–185, 190. B. zeylensis from locality 19SH.