Key to Amblyopone of the southwestern Australian Botanical Province

This worker key is based on: [[Media:Heterick 2009.pdf|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 PDF]]

Since the publication of this key one of the species included below has been transferred to the genus Onychomyrmex

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 * Australia
 * SWBP
 * Amblyopone
 * Onychomyrmex

1

 * Smaller species (HW < 1.5 mm) . . . . . Onychomyrmex glauerti


 * Larger species (HW > 1.5 mm) . . . . . 2

2
return to couplet #1
 * Mandible long and linear, virtually edentate except for the tip, which bears five denticles . . . . . Amblyopone aberrans


 * Mandible not as above, broader, and bearing one or more teeth along its inner margin . . . . . 3

3
return to couplet #2
 * Mesosoma and dorsum of head with fine, longitudinal striae and elongate punctures . . . . . Amblyopone clarki


 * Mesosoma and dorsum of head shining and smooth, except for scattered punctuation . . . . . 4

4
return to couplet #3
 * Frons of head and mesosoma with distinct punctation; lower genae adjacent to mandibular insertions terminating in a spine; prominent middle tooth of mandible preceded by one or more smaller denticles (Figure 492) . . . . . Amblyopone australis


 * Frons of head and mesosoma with vestigial punctation; lower genae adjacent to mandibular insertions not terminating in a spine; prominent middle tooth of mandible unaccompanied by smaller denticles (Figure 493) . . . . . Amblyopone michaelseni