Key to Prolasius of the southwestern Australian Botanical Province

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This worker key is based on: Heterick, B. E. 2009a. 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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1

  • Pale, usually depigmented light yellow to orange species . . . . . 2

2

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  • Pronotum with one pair of erect, bristly setae; dorsum of mesosoma pale yellow, sides of mesosoma distinctly darker . . . . . Prolasius hemiflavus
Prolasius hemiflavus antweb1008275 p 1 high.jpg
  • Pronotum with two pairs of erect, bristly setae (additional setae may be present); mesosoma not bicoloured . . . . . 3

3

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  • Mesonotum with one erect, bristly seta at most; erect and semi-erect setae on antennal scape not conspicuous; propodeum smoothly rounded (Figure 404) . . . . . Prolasius sp. JDM 551
Figure 404.
  • Mesonotum with two pairs of erect, bristly setae; erect and semi-erect setae on antennal scape conspicuous; propodeum with distinct dorsal and declivitous surfaces, often separated by a small, transverse carina (Figure 405) . . . . . 4
Figure 405.

4

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  • Seen from behind, propodeal dorsum laterally compressed, separated from declivitous face by a small, transverse carina (Figure 406) . . . . . Prolasius sp. JDM 109
Figure 406.
  • Seen from behind, propodeal dorsum not laterally compressed, transverse carina absent (Figure 407) . . . . . Prolasius sp. JDM 1044
Figure 407.

5

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Prolasius antennatus casent0217811 h 1 high.jpg
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6

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  • Appressed setae very short, pubescence absent; mesosoma smooth and shining . . . . . Prolasius sp. JDM 957
  • Appressed setae longer and dense, forming distinct pubescence; mostly duller in appearance with microsculpture present . . . . . 7

7

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  • Mesosoma smooth and shining; erect setae on mesosoma (one pair on pronotum) and gaster fine and pale . . . . . Prolasius sp. JDM 1120
  • Mesosoma duller with fine microsculpture; erect setae on mesosoma and gaster stout and dark . . . . . Prolasius wheeleri
Prolasius reticulatus casent0172167 h 1 high.jpg
Prolasius reticulatus casent0172167 p 1 high.jpg