Key to Streblognathus species

This key is based on Robertson (2002). No new species have been described since then.

1

 * Scape both absolutely and relatively longer (Scape length 4.32-5.11 mm; Scape index 102-113). Eye length 0.86-1.03 mm; Mesonotal-propodeal length 5.56-6.32 mm; Hind tibia length 4.80-5.54 mm ..... Streblognathus aethiopicus


 * Scape both absolutely and relatively shorter (Scape length 3.28-4.12 mm; Scape index 87-98). Eye length 0.62-0.85 mm; Mesonotal-propodeal length 4.34-5.47 mm; Hind tibia length 3.80-4.80 mm ..... Streblognathus peetersi