Key to Polyrhachis mucronata-group species

AntWiki: The Ants --- Online

This worker key is based on: 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.

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Polyrhachis amana casent0103190 head 1.jpg
Polyrhachis amana casent0103190 profile 1.jpg
  • Pronotal humeri angular or produced into broad-based short teeth . . . . . 2

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  • Body with rather dense, closely appressed, silvery-white or greyish pubescence . . . . . Polyrhachis retrorsa
Polyrhachis retrorsa casent0906772 h 1 high.jpg
Polyrhachis retrorsa casent0906772 p 1 high.jpg
  • Body jet-black with only very diluted appressed pubescence arising from minute shallow pits . . . . . 3

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  • Petiole with short lateral spines that are as long as, or shorter than distance between their bases; no intercalary spines present; pronotal humeri rounded, with or without indication of rudimentary teeth . . . . . Polyrhachis arborea
Polyrhachis arborea casent0103184 head 1.jpg
Polyrhachis arborea casent0103184 profile 1.jpg
  • Petiole with relatively long lateral spines, conforming to shape of first gastral segment, and pair of intercalary teeth; pronotal humeri distinctly toothed . . . . . 4

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  • Petiolar spines rather broad and massive; propodeal spines about as long as distance between their bases; generally black with coxae and proximal ends of femora distinctly light to medium reddish-brown . . . . . Polyrhachis manni
Polyrhachis manni HUMCZ001H.jpg
Polyrhachis manni HUMCZ001L.jpg
  • Petiolar spines very slender; propodeal spines distinctly longer than distance between their closely approximate bases; generally black with legs dark reddish-brown; coxae a shade lighter . . . . . Polyrhachis hippomanes
Polyrhachis hippomanes casent0103195 head 1.jpg
Polyrhachis hippomanes casent0103195 profile 1.jpg