Key to Genera of Malagasy males of subfamily Ponerinae HNS
1. Wings absent................................................................................ Hypoponera HNS (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. 10a, b) and extends as long as length of antennal scape..... ................................................................................................................................................ Platythyrea HNS
- Mandibles very reduced in size and "lobate," the masticatory margins do not overlap completely when mandibles are fully closed. Antennal scrobe absent (Fig. 7e); if weakly defined, then length distinctly shorter than length of antennal scape.......................................................................................................3
3. Pretarsal claw multidentate to pectinate (Fig. 7b).................................................................. Leptogenys HNS
- Pretarsal claw edentate or with at most two preapical teeth (Fig. 9e).................................................... 4
4. Hind wing with jugal lobe (Fig. 1c)........................................................................................................ 5
- Hind wing without jugal lobe (as in Fig. 7g) .......................................................................................... 8
5. Notauli present on mesoscutum (Fig. 9h) ........................................................... Pachycondyla HNS (part 02)
- Notauli absent (Fig. 9c) ........................................................................................................................... 6
6. Apical portion of abdominal tergum VIII not forming spine (Fig. 5e) ................................... Anochetus HNS
- Apical portion of abdominal tergum VIII forming distinct spine (Fig. 8e) ............................................ 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. 8b) .......................................... Odontomachus HNS
- Body black; petiole in frontal view with dorsal margin broadly or bluntly rounded (Fig. 9d) .................. ............................................................................................................................ Pachycondyla HNS (part 01)
8. Apical portion of abdominal tergum VIII without down-curved spine (Fig. 6b) .. Hypoponera HNS (part 01)
- Apical portion of abdominal tergum VIII with down-curved spine ....................................................... 9
9. Hind tibia with one spur (as in Fig. 6d) ........................................................................................ Ponera HNS
- Hind tibia with two spurs (as in Fig. 7c) .................................................... Pachycondyla HNS (part 03 & 04)