Afrotropical Gonatopus Group 3: key to the ♀♀
1. Enlarged claw with apex very broad (Fig. 179D)................................................ G. fuscus (Olmi)
- Enlarged claw with apex tapering, not broad (Figs 179A, B)................................................... 2
2. Metapectal-propodeal disc with strong median longitudinal furrow (Fig. 178A).................................... 3
- Metapectal-propodeal disc without strong median longitudinal furrow (Figs 178B, 186B)........................... 4
3. Metanotum weakly excavated behind mesoscutellum (Fig. 180A)............................. G. acuminatus (Olmi)
- Metanotum deeply excavated behind mesoscutellum (Fig. 180H)................................... G. nicator Olmi
4. Meso-metapleural suture obsolete (at most slightly visible in posterior half)...................................... 5
- Meso-metapleural suture distinct and complete............................................................. 6
5. Metapectal-propodeal disc fusiform; metanotum not protruding laterally, without lateral pointed or rounded protrusion.............................................................................................. G. ruber Olmi
- Metanotum with two lateral pointed protrusions (Fig. 180G)................................... G. madecassus Olmi
6. Mesoscutum without two lateral pointed protrusions (Fig. 183A); occasionally with three very small pointed protrusions corresponding to three carinae located on lateral regions of mesoscutum (Fig. 183E).................................. 7
- Mesoscutum with two strong lateral pointed protrusions (Fig. 178B)........................................... 10
7. Enlarged claw with subdistal tooth located very close to most distal lamella (see Fig. 187B)....................................................................................... G. scholtzi Olmi, Copeland & van Noort, sp. nov.
- Enlarged claw with subdistal tooth located very far from most distal lamella (see Figs 179C, 182F).................... 8
8. Metanotum laterally rounded (Fig. 183A)......................... G. robertsoni Olmi, Copeland & van Noort, sp. nov.
- Metanotum laterally with two slightly pointed protrusions (Figs 180B, 183E)..................................... 9
9. Mesosoma testaceous-reddish................................................................ G. ceres (Olmi)
- Mesosoma mostly black, except mesoscutum mostly yellow, metanotum brown and posterior apex of propodeal declivity yellow................................................................... G. schwarzorum Guglielmino & Olmi
10. Metapectal-propodeal disc fusiform; metanotum not protruding laterally, without lateral pointed or rounded protrusions (Fig. 180E)............................................................................................. 11
- Metanotum with two lateral pointed or rounded protrusions (Figs 178B, 186A, B)................................ 12
11. Mesosoma completely black................................. G. hantamensis Olmi, Copeland & van Noort, sp. nov.
- Prothorax and mesoscutum testaceous, or brown-reddish; rest of mesosoma black, with distal extremity of propodeal declivity reddish................................................................................... G. cafer Olmi
12. Head with OL 2–3 × as long as POL; mesoscutum very slender, twice as long as broad (length calculated from the anterior margin to imaginary line joining two lateral pointed apophyses of mesoscutum) (Fig. 178B).............. G. mixtus Olmi
- Head with OL less than twice as long as POL; mesoscutum less slender, about as long as broad (length calculated from anterior margin to imaginary line joining two lateral pointed apophyses of mesoscutum) (Figs 186A, B)...................... 13
13. Head shiny, unsculptured, except frontal line; apex of protarsomere 5 with less than 20 lamellae (Fig. 182E) G. pluvialis Olmi
- Head dull, with many longitudinal striae on frons and many transverse striae on sides of ocelli; apex of protarsomere 5 with more than twenty lamellae (Fig. 187A)........................................................ G. ruvidus Olmi