Key to Podomyrma of the southwestern Australian Botanical Province

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This worker key is based on: 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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1

2

return to couplet #1

  • Propodeum armed with spines or teeth at its posterior angles . . . . . 6

3

return to couplet #2

  • Mesosoma punctate, punctures well separated and deep; erect setae on body surfaces very sparse, lacking on gaster . . . . . . Podomyrma clarki
  • Mesosoma longitudinally striate or striatereticulate; erect setae abundant and well distributed on body surfaces, including gaster . . . . . 4

4

return to couplet #3

  • Frons of head capsule with a few longitudinal striae, with large unsculptured space between them (Figure 673) . . . . . . Podomyrma macrophthalma(pt.)
Figure 673.
  • Frons of head capsule with many close, parallel, longitudinal striae (e.g. Figure 674) . . . . . 5
Figure 674.

5

return to couplet #4

  • Humeri of promesonotum smoothly rounded (Figure 675); promesonotum longitudinally striate . . . . . . Podomyrma elongata
Figure 675.
  • Humeri of promesonotum each armed with a small denticle (Figure 676); promesonotum striate-reticulate . . . . . . Podomyrma chasei
Figure 676.

6

return to couplet #2

  • Node with a dorsal transverse ridge only, spines or denticles lacking (Figure 677) . . . . . 7
Figure 677.
  • Node armed with paired spines directed dorsally or laterally (Figure 678) . . . . . 8
Figure 678.

7

return to couplet #6

  • Top of vertex and dorsum of promesonotal sector areolate (Figure 679) . . . . . . Podomyrma christae(pt.)
Figure 679.
  • Top of vertex and dorsum of promesonotal sector mainly smooth and shining with a few longitudinal striae (Figure 680) . . . . . . Podomyrma macrophthalma(pt.)
Figure 680.

8

return to couplet #6

  • First gastral tergite with many erect setae; promesonotum deeply foveate-striate; viewed from behind, paired denticles on node directed obliquely upward at angle of 45°> . . . . . 9
  • First gastral tergite with at most a pair of erect setae; promesonotal sculpture not as above; viewed from behind, paired denticles on node directed laterally at angle of <30° . . . . . 10

9

return to couplet #8

  • Each side of dorsum of promesonotum (just posteriad of mesonotal suture) armed with a small, sharp tooth directed vertically (Figure 681) . . . . . . Podomyrma libra
Figure 681.
Figure 682.

10

return to couplet #8

  • Head longitudinally striate (Figure 683); dorsum of promesonotum matt, dull . . . . . . Podomyrma ferruginea
Figure 683.
  • Head with transverse striae interconnecting with longitudinal striae, forming a semireticulate pattern (Figure 684); dorsum of promesonotum almost smooth, shining Podomyrma sp. JDM 997
Figure 684.