Key to Polyrhachis micans species-group workers

This worker key is based on: Kohout, R.J. 2013. A review of the Polyrhachis gravis and micans species-groups of the subgenus Campomyrma Wheeler (Hymenoptera: Formicidae: Formicinae). Memoirs of the Queensland Museum, Nature 56, 92-117

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 * Polyrhachis micans species-group - diagnosis and biology
 * Campomyrma
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1

 * Petiole with four, almost subequal spines . . . . . 2


 * Petiole with two large dorsal spines; lateral spines greatly reduced or obsolete . . . . . 3

2
return to couplet #1
 * Petiole with dorsal margin strongly raised dorsonledially towards closely approximated dorsal spines; propodeal teeth rather massive, long and broad; legs medium reddish-brown . . . . . Polyrhachis eureka


 * Petiole with dorsal margin less strongly raised; dorsal spines situated further apart; propodeal spines relatively short, more acute and slender; legs very dark reddish-brown or black . . . . . Polyrhachis micans

3
return to couplet #1
 * Body distinctly reddish-brown; lateral petiolar spines reduced to short acute teeth (NT, QLD) . . . . . Polyrhachis incerta


 * Body uniformly black; lateral petiolar spines reduced to blunt angles, or obsolete . . . . . 4

4
return to couplet #3
 * Propodeal dorsum very narrow, about 1.5 times longer than basal width, with parallel lateral margins; dorsal petiolar spines long and slender (WA, NT, QLD) . . . . . Polyrhachis prometheus


 * Propodeal dorsum distinctly wider than long, with strongly posteriorly converging lateral margins; dorsal petiolar spines relatively short (QLD) . . . . . Polyrhachis shattucki