Key to Platythyrea of the southwestern Australian Botanical Province

This worker key is based on: [[Media:Heterick 2009b.pdf|Heterick, B. E. 2009b. A guide to the ants of South-western Australia. Records of the Western Australian Museum, Supplement 76: 1-206. Part 2.]]

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 * Australia
 * SWBP
 * Platythyrea

1

 * Viewed dorsally, node longer than wide; dorsum of mesosoma without erect setae . . . . . Platythyrea parallela


 * Viewed dorsally, node wider than long; dorsum of mesosoma with erect setae . . . . . 2

2
return to couplet #1
 * Posterior dorsal surface of node with distinct median protuberance (Figure 500) . . . . . Platythyrea dentinodis


 * Posterior dorsal surface of node without protuberance (Figure 501) . . . . . 3

3
return to couplet #2
 * Erect setae long (≥ greatest width of antennal scape); head and mesosoma light reddish-brown; gaster dark brown . . . . . Platythyrea brunnipes


 * Erect setae at most equal to greatest width of antennal scape, mostly shorter; if bicoloured then head darker than mesosoma . . . . . 4

4
return to couplet #3
 * Body distinctly bicoloured, mesosoma lighter than gaster and most of head, head with light coloured patches on genae . . . . . Platythyrea turneri


 * Body uniformly coloured dark brown . . . . . Platythyrea micans