Key to Polyrhachis vestita-group species

This worker key is based on: [[Media:Kohout 2008a.pdf|Kohout, R.J. 2008a. A review of the Polyrhachis ants of Sulawesi with keys and descriptions of new species (Hymenoptera: Formicidae: Formicinae). Memoirs of the Queensland Museum. 52:255-317. PDF]]

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Polyrhachis

1

 * Larger species (HL >3.10); dorsum of petiole acute in lateral view . . . . . 2


 * Smaller species (HL <2.75); dorsum of petiole rounded in lateral view . . . . . Polyrhachis gobini

2
return to couplet #1
 * Antennal scape with distinct process near apex . . . . . Polyrhachis ogatai


 * Antennal scape without process near apex . . . . . 3

3
return to couplet #2
 * Whole body with rather thick, relatively long hair . . . . . 4


 * Body with only diluted, relatively short hair . . . . . Polyrhachis masaokai

4
return to couplet #3
 * Pubescence distinctly rusty-red . . . . . Polyrhachis cognata


 * Pubescence rich golden or pale yellow . . . . . Polyrhachis vestita