Bannapone Based

Eguchi, Katsuyuki, Viet, Bui Tuan, Yamane, Seiki & Terayama, Mamoru, 2015, Redefinition of the genus Bannapone and description of B. cryptica sp. nov. (Hymenoptera: Formicidae: Amblyoponinae), Zootaxa 4013 (1), pp. 77-86 : 85

Key to Known Species of Bannapone Based on the Worker

Bannapone mulanae is excluded from this key because the worker remains unknown.

1 Antenna 10-segmented.......................................................................... B. fulvida

- Antenna 11-segmented................................................................................. 2

2 Mid-basal tooth row of mandible consisting of 2 blunt teeth; frontal lobes relatively distinctly separated by posteromedian por- tion of clypeus.............................................................................. B. scrobiceps

- Mid-basal tooth row of mandible consisting of 4–5 blunt or truncate teeth; frontal lobes closely approximated............ 3

3 Mid-basal tooth row consisting of 5 teeth of which basal four almost equal in size; preapical denticle of apical blade of mandi- ble developed well............................................................................ B. pertinax

- Mid-basal tooth row consisting of 4–5 teeth which decrease in size toward base; preapical denticle of apical blade of mandible absent or reduced...................................................................................... 4

4 Frontal carinae conspicuous, reaching vertex; 9th and 10th antennal segments each a little longer than broad; posterolateral part of propodeum strongly produced posteriad................................................... B. cryptica sp. nov.

- Frontal carinae inconspicuous, extending by no more than the length of frontal lobe; 9th and 10th antennal segments each (a lit- tle) shorter than broad; posterolateral part of propodeum feebly produced posteriad................................. 5

5 Head distinctly longer than broad............................................................... B. caliginosa

- Head as long as broad..................................................................... B. zwaluwenburgi