Speculative diagram depicting how cool–adapted foraging by Melophorus in the M. fieldi complex may have arisen.

 
 
  Part of: Heterick B, Castalanelli M, Shattuck S (2017) Revision of the ant genus Melophorus (Hymenoptera, Formicidae). ZooKeys 700: 1-420. https://doi.org/10.3897/zookeys.700.11784