Key to Polyrhachis xiphias group species

This worker key is based on: [[Media:Kohout 2013.pdf| Kohout, R. J. 2013a. A review of the Polyrhachis xiphias species-group of the subgenus Campomyrma Wheeler (Hymenoptera: Formicidae: Formicinae). Asian Myrmecology 5:21-27. PDF]]

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Polyrhachis

1

 * Petiolar spines widely divergent (New Guinea) . . . . . Polyrhachis xiphias


 * Petiolar spines subparallel . . . . . 2

2
return to couplet #1
 * Clypeus only weakly concave in profile; eyes weakly convex; dorsum of petiole in profile distinctly higher than base of spines; legs medium reddish-brown (Borneo) . . . . . Polyrhachis hashimotoi


 * Clypeus distinctly sinuate in profile; eyes almost flat; petiolar spines arising from summit of petiolar dorsum; legs light yellow (China, Vietnam) . . . . . Polyrhachis shixingensis