Key to species of Barbaracurus

1 Pedipalp movable finger without an external accessory granule midway along most proximal granule row. ...... 2

– Pedipalp movable finger with an external accessory granule midway along most proximal granule row.. ...... 3

2 Base color uniformly yellow or orange, without any darker markings; sternite VII with very weak carination ............ ........................................... B. prudenti (Lourenço, 2013)

– Base color yellow with brown spots on carapace, dark stripes on tergites, dark pedipalp patella and metasoma V; sternite VII with 4 well developed carinae ....................... ............................................... B. ugartei (Kovařík, 2000)

3 Pedipalp movable finger with 6 rows of granules. ........ 4

– Pedipalp movable finger with 7 rows of granules. ........ 7

4 Pedipalp chela with narrower manus, chela length/ width ratio 4.3–5.6, finger margins weakly undulate at base, not leaving gap when closed (Figs. 16 and 18, and figs. 81, 84, 86 in Kovařík et al., 2015) ..............................................5

– Pedipalp chela with broader manus, chela length/ width ratio 3.4–4.2, finger margins strongly undulate at base, leaving wide gap when closed ....................................... 6

5. Total length 22.5 mm in male, 32.1–32.25 mm in females; pectines with 16–17 teeth in both sexes; distributed in Ethiopia and Somalia .. B. subpunctatus (Borelli, 1925)

– Total length 31.25 mm in male, 38.80 mm in female; pectines with 25–27 teeth in both sexes; distributed in Somaliland. ................................................... B. feti sp. n.

6 Telson vesicle pyriform in lateral profile, deeper anteriorly (figs. 83–84 in Kovařík et al., 2018); telson length/ depth ratio 2.75–2.89; pedipalp movable finger of female very weakly undulate at base. ....... B. somalicus (Hirst, 1907)

– Telson vesicle symmetric in lateral profile (figs. 76–77 in Kovařík et al., 2015); telson length/ depth ratio 2.60–2.73; pedipalp movable finger of female moderately undulate at base. ................... B. sofomarensis (Kovařík et al., 2015)

7 Pedipalp chela with broader manus (figs. 58, 60 in Kovařík et al., 2018), chela length/ width ratio 4.28 (♀), 3.42 (♂); telson more bulbous, length/depth ratio 2.27–2.37 (♀, ♂); distributed in Africa. ...... B. zambonellii (Borelli, 1902)

– Pedipalp chela with narrower manus (figs. 62, 64, 66, 68, 210, 212 in Kovařík et al., 2018), chela length/ width ratio 4.73–6.12 (♀, ♂); telson ellipsoidal or pyriform, length/ depth ratio 2.63–2.89 (♀); distributed in Arabia. ........... 8

8 Telson more slender (figs. 81–82 in Kovařík et al., 2018), length/depth ratio 2.89 (♀), 2.70 (♂); found in Al Hajar mountains of northern Oman. ... B. exquisitus (Lowe, 2000)

– Telson less slender (figs. 85–87 in Kovařík et al., 2018), length/depth ratio 2.63–2.72 (♀); not found in northern Oman ..............................................................................9

9 Larger size, 40–42 mm (♀); less slender metasoma, metasoma V length/width ratio 2.30–2.46 (♀) ................. .................................. B. yemenensis Kovařík et al., 2018

– Smaller size, 30–34 mm (♀), 25–29 mm (♂); more slender metasoma, metasoma V length/width ratio 2.56–2.58 (♀) ................................ B. winklerorum Kovařík et al., 2018