Key to Genera of Malagasy males of subfamily Ponerinae

1. Wings absent................................................................................ Hypoponera (part 02; ergatoid males)

- Wings present.......................................................................................................................................... 2

2. Mandibles stout and fully developed, masticatory margins overlap completely when mandibles fully closed. Antennal scrobe well defined (Figs. 10 a, b) and extends as long as length of antennal scape. .. .. ................................................................................................................................................ Platythyrea

- Mandibles very reduced in size and “lobate,” the masticatory margins do not overlap completely when mandibles are fully closed. Antennal scrobe absent (Fig. 7 e); if weakly defined, then length distinctly shorter than length of antennal scape ....................................................................................................... 3

3. Pretarsal claw multidentate to pectinate (Fig. 7 b) .................................................................. Leptogenys

- Pretarsal claw edentate or with at most two preapical teeth (Fig. 9 e) .................................................... 4

4. Hind wing with jugal lobe (Fig. 1 c)........................................................................................................ 5

- Hind wing without jugal lobe (as in Fig. 7 g).......................................................................................... 8

5. Notauli present on mesoscutum (Fig. 9 h)........................................................... Pachycondyla (part 02)

- Notauli absent (Fig. 9 c)........................................................................................................................... 6

6. Apical portion of abdominal tergum VIII not forming spine (Fig. 5 e) ................................... Anochetus

- Apical portion of abdominal tergum VIII forming distinct spine (Fig. 8 e) ............................................ 7

7. Body usually yellow (Madagascar), rarely black (Seychelles); petiole more or less conical in frontal view, with single, narrowly rounded or sharp apex (Fig. 8 b) .......................................... Odontomachus

- Body black; petiole in frontal view with dorsal margin broadly or bluntly rounded (Fig. 9 d).................. ............................................................................................................................ Pachycondyla (part 01)

8. Apical portion of abdominal tergum VIII without down-curved spine (Fig. 6 b) .. Hypoponera (part 01)

- Apical portion of abdominal tergum VIII with down-curved spine ....................................................... 9

9. Hind tibia with one spur (as in Fig. 6 d) ........................................................................................ Ponera

- Hind tibia with two spurs (as in Fig. 7 c).................................................... Pachycondyla (part 0 3 & 04)