Key to species of Pristocera from Madagascar for females

1. Median clypeal lobe tridentate (Fig. 6A)................................................................... 2

- Median clypeal lobe trapezoidal (Fig. 14A)................................................................. 6

2. First abdominal spiracle circular (Figs 8C; 20C)............................................................. 3

- First abdominal spiracle oval (Fig. 4C)..................................................................... 4

3. Mandible with distal teeth gradually wider ventrad (Fig. 8B); petiole with anterolateral corner subangulate (Fig. 8D).............................................................................................. P. gloriae sp. nov.

- Mandible with distal teeth subequals (Fig. 20B); petiole with anterolateral corner angulate (Fig. 20C–D)... P. zubai sp. nov.

4. Mandible with ventral tooth, dorsal view (Fig. 6B); petiole with anterolateral corner rounded (Fig. 6D).... P. martyi sp. nov.

- Mandible without ventral tooth, dorsal view (Fig. 4B); petiole with anterolateral corner never rounded (Fig. 18D)......... 5

5. Median clypeal lobe without rounded apical projection (Fig. 4B); petiole with anterolateral corner angulate (Fig. 4E)............................................................................................... P. alexi sp. nov.

- Median clypeal lobe with rounded apical projection (Fig. 18A); petiole with anterolateral corner subangulate (Fig. 18D)............................................................................................ P. teetsi sp. nov.

6. First abdominal spiracle circular (Fig. 14C)................................................. P. mauricei sp. nov.

- First abdominal spiracle oval (Fig. 24C).................................................................... 7

7. Mandible with upper three teeth subequals (Fig. 24B)........................................ P. cambouei Saussure

- Mandible with upper three teeth gradually wider ventrad (Fig. 22B).............................................. 8

8. Petiole with anterolateral never corner rounded (Fig. 22D)..................................... P. levicolllis (Kieffer)

- Petiole with anterolateral corner rounded (Fig. 24B).......................................................... 9

9. Clypeal margin crenulated (Fig. 16B)..................................................................... 10

- Clypeal margin not crenulated (Fig. 2B)................................................................... 11

10. Petiole with anterolateral corner broadly rounded (Fig. 16D)................................... P. makungai sp. nov.

- Petiole with anterolateral corner rounded (Fig. 10C)............................................ P. julieni sp. nov.

11. Mandible without small rounded ventral tooth, dorsal view (Fig. 12B)............................... P. morti sp. nov.

- Mandible with small rounded ventral tooth, dorsal view (Fig. 2A)................................ P. melmani sp. nov.